Removed wordpress and phpmyadmin, my server doesn't handle it well and it brings shame on my famillyHEADmaster

1 files changed, 0 insertions, 4388 deletions

diff --git a/srcs/wordpress/wp-includes/media.php b/srcs/wordpress/wp-includes/media.php
deleted file mode 100644
index 3783865..0000000
--- a/srcs/wordpress/wp-includes/media.php
+++ /dev/null
@@ -1,4388 +0,0 @@
-<?php
-/**
- * WordPress API for media display.
- *
- * @package WordPress
- * @subpackage Media
- */
-
-/**
- * Retrieve additional image sizes.
- *
- * @since 4.7.0
- *
- * @global array $_wp_additional_image_sizes
- *
- * @return array Additional images size data.
- */
-function wp_get_additional_image_sizes() {
-	global $_wp_additional_image_sizes;
-
-	if ( ! $_wp_additional_image_sizes ) {
-		$_wp_additional_image_sizes = array();
-	}
-
-	return $_wp_additional_image_sizes;
-}
-
-/**
- * Scale down the default size of an image.
- *
- * This is so that the image is a better fit for the editor and theme.
- *
- * The `$size` parameter accepts either an array or a string. The supported string
- * values are 'thumb' or 'thumbnail' for the given thumbnail size or defaults at
- * 128 width and 96 height in pixels. Also supported for the string value is
- * 'medium', 'medium_large' and 'full'. The 'full' isn't actually supported, but any value other
- * than the supported will result in the content_width size or 500 if that is
- * not set.
- *
- * Finally, there is a filter named {@see 'editor_max_image_size'}, that will be
- * called on the calculated array for width and height, respectively. The second
- * parameter will be the value that was in the $size parameter. The returned
- * type for the hook is an array with the width as the first element and the
- * height as the second element.
- *
- * @since 2.5.0
- *
- * @global int   $content_width
- *
- * @param int          $width   Width of the image in pixels.
- * @param int          $height  Height of the image in pixels.
- * @param string|array $size    Optional. Image size. Accepts any valid image size, or an array
- *                              of width and height values in pixels (in that order).
- *                              Default 'medium'.
- * @param string       $context Optional. Could be 'display' (like in a theme) or 'edit'
- *                              (like inserting into an editor). Default null.
- * @return array Width and height of what the result image should resize to.
- */
-function image_constrain_size_for_editor( $width, $height, $size = 'medium', $context = null ) {
-	global $content_width;
-
-	$_wp_additional_image_sizes = wp_get_additional_image_sizes();
-
-	if ( ! $context ) {
-		$context = is_admin() ? 'edit' : 'display';
-	}
-
-	if ( is_array( $size ) ) {
-		$max_width  = $size[0];
-		$max_height = $size[1];
-	} elseif ( $size === 'thumb' || $size === 'thumbnail' ) {
-		$max_width  = intval( get_option( 'thumbnail_size_w' ) );
-		$max_height = intval( get_option( 'thumbnail_size_h' ) );
-		// last chance thumbnail size defaults
-		if ( ! $max_width && ! $max_height ) {
-			$max_width  = 128;
-			$max_height = 96;
-		}
-	} elseif ( $size === 'medium' ) {
-		$max_width  = intval( get_option( 'medium_size_w' ) );
-		$max_height = intval( get_option( 'medium_size_h' ) );
-
-	} elseif ( $size === 'medium_large' ) {
-		$max_width  = intval( get_option( 'medium_large_size_w' ) );
-		$max_height = intval( get_option( 'medium_large_size_h' ) );
-
-		if ( intval( $content_width ) > 0 ) {
-			$max_width = min( intval( $content_width ), $max_width );
-		}
-	} elseif ( $size === 'large' ) {
-		/*
-		 * We're inserting a large size image into the editor. If it's a really
-		 * big image we'll scale it down to fit reasonably within the editor
-		 * itself, and within the theme's content width if it's known. The user
-		 * can resize it in the editor if they wish.
-		 */
-		$max_width  = intval( get_option( 'large_size_w' ) );
-		$max_height = intval( get_option( 'large_size_h' ) );
-
-		if ( intval( $content_width ) > 0 ) {
-			$max_width = min( intval( $content_width ), $max_width );
-		}
-	} elseif ( ! empty( $_wp_additional_image_sizes ) && in_array( $size, array_keys( $_wp_additional_image_sizes ), true ) ) {
-		$max_width  = intval( $_wp_additional_image_sizes[ $size ]['width'] );
-		$max_height = intval( $_wp_additional_image_sizes[ $size ]['height'] );
-		// Only in admin. Assume that theme authors know what they're doing.
-		if ( intval( $content_width ) > 0 && 'edit' === $context ) {
-			$max_width = min( intval( $content_width ), $max_width );
-		}
-	} else { // $size == 'full' has no constraint
-		$max_width  = $width;
-		$max_height = $height;
-	}
-
-	/**
-	 * Filters the maximum image size dimensions for the editor.
-	 *
-	 * @since 2.5.0
-	 *
-	 * @param array        $max_image_size An array with the width as the first element,
-	 *                                     and the height as the second element.
-	 * @param string|array $size           Size of what the result image should be.
-	 * @param string       $context        The context the image is being resized for.
-	 *                                     Possible values are 'display' (like in a theme)
-	 *                                     or 'edit' (like inserting into an editor).
-	 */
-	list( $max_width, $max_height ) = apply_filters( 'editor_max_image_size', array( $max_width, $max_height ), $size, $context );
-
-	return wp_constrain_dimensions( $width, $height, $max_width, $max_height );
-}
-
-/**
- * Retrieve width and height attributes using given width and height values.
- *
- * Both attributes are required in the sense that both parameters must have a
- * value, but are optional in that if you set them to false or null, then they
- * will not be added to the returned string.
- *
- * You can set the value using a string, but it will only take numeric values.
- * If you wish to put 'px' after the numbers, then it will be stripped out of
- * the return.
- *
- * @since 2.5.0
- *
- * @param int|string $width  Image width in pixels.
- * @param int|string $height Image height in pixels.
- * @return string HTML attributes for width and, or height.
- */
-function image_hwstring( $width, $height ) {
-	$out = '';
-	if ( $width ) {
-		$out .= 'width="' . intval( $width ) . '" ';
-	}
-	if ( $height ) {
-		$out .= 'height="' . intval( $height ) . '" ';
-	}
-	return $out;
-}
-
-/**
- * Scale an image to fit a particular size (such as 'thumb' or 'medium').
- *
- * Array with image url, width, height, and whether is intermediate size, in
- * that order is returned on success is returned. $is_intermediate is true if
- * $url is a resized image, false if it is the original.
- *
- * The URL might be the original image, or it might be a resized version. This
- * function won't create a new resized copy, it will just return an already
- * resized one if it exists.
- *
- * A plugin may use the {@see 'image_downsize'} filter to hook into and offer image
- * resizing services for images. The hook must return an array with the same
- * elements that are returned in the function. The first element being the URL
- * to the new image that was resized.
- *
- * @since 2.5.0
- *
- * @param int          $id   Attachment ID for image.
- * @param array|string $size Optional. Image size to scale to. Accepts any valid image size,
- *                           or an array of width and height values in pixels (in that order).
- *                           Default 'medium'.
- * @return false|array Array containing the image URL, width, height, and boolean for whether
- *                     the image is an intermediate size. False on failure.
- */
-function image_downsize( $id, $size = 'medium' ) {
-	$is_image = wp_attachment_is_image( $id );
-
-	/**
-	 * Filters whether to preempt the output of image_downsize().
-	 *
-	 * Passing a truthy value to the filter will effectively short-circuit
-	 * down-sizing the image, returning that value as output instead.
-	 *
-	 * @since 2.5.0
-	 *
-	 * @param bool         $downsize Whether to short-circuit the image downsize. Default false.
-	 * @param int          $id       Attachment ID for image.
-	 * @param array|string $size     Size of image. Image size or array of width and height values (in that order).
-	 *                               Default 'medium'.
-	 */
-	$out = apply_filters( 'image_downsize', false, $id, $size );
-
-	if ( $out ) {
-		return $out;
-	}
-
-	$img_url          = wp_get_attachment_url( $id );
-	$meta             = wp_get_attachment_metadata( $id );
-	$width            = 0;
-	$height           = 0;
-	$is_intermediate  = false;
-	$img_url_basename = wp_basename( $img_url );
-
-	// If the file isn't an image, attempt to replace its URL with a rendered image from its meta.
-	// Otherwise, a non-image type could be returned.
-	if ( ! $is_image ) {
-		if ( ! empty( $meta['sizes']['full'] ) ) {
-			$img_url          = str_replace( $img_url_basename, $meta['sizes']['full']['file'], $img_url );
-			$img_url_basename = $meta['sizes']['full']['file'];
-			$width            = $meta['sizes']['full']['width'];
-			$height           = $meta['sizes']['full']['height'];
-		} else {
-			return false;
-		}
-	}
-
-	// try for a new style intermediate size
-	$intermediate = image_get_intermediate_size( $id, $size );
-
-	if ( $intermediate ) {
-		$img_url         = str_replace( $img_url_basename, $intermediate['file'], $img_url );
-		$width           = $intermediate['width'];
-		$height          = $intermediate['height'];
-		$is_intermediate = true;
-	} elseif ( $size === 'thumbnail' ) {
-		// fall back to the old thumbnail
-		$thumb_file = wp_get_attachment_thumb_file( $id );
-		$info       = null;
-
-		if ( $thumb_file ) {
-			$info = @getimagesize( $thumb_file );
-		}
-
-		if ( $thumb_file && $info ) {
-			$img_url         = str_replace( $img_url_basename, wp_basename( $thumb_file ), $img_url );
-			$width           = $info[0];
-			$height          = $info[1];
-			$is_intermediate = true;
-		}
-	}
-
-	if ( ! $width && ! $height && isset( $meta['width'], $meta['height'] ) ) {
-		// any other type: use the real image
-		$width  = $meta['width'];
-		$height = $meta['height'];
-	}
-
-	if ( $img_url ) {
-		// we have the actual image size, but might need to further constrain it if content_width is narrower
-		list( $width, $height ) = image_constrain_size_for_editor( $width, $height, $size );
-
-		return array( $img_url, $width, $height, $is_intermediate );
-	}
-
-	return false;
-}
-
-/**
- * Register a new image size.
- *
- * @since 2.9.0
- *
- * @global array $_wp_additional_image_sizes Associative array of additional image sizes.
- *
- * @param string     $name   Image size identifier.
- * @param int        $width  Optional. Image width in pixels. Default 0.
- * @param int        $height Optional. Image height in pixels. Default 0.
- * @param bool|array $crop   Optional. Image cropping behavior. If false, the image will be scaled (default),
- *                           If true, image will be cropped to the specified dimensions using center positions.
- *                           If an array, the image will be cropped using the array to specify the crop location.
- *                           Array values must be in the format: array( x_crop_position, y_crop_position ) where:
- *                               - x_crop_position accepts: 'left', 'center', or 'right'.
- *                               - y_crop_position accepts: 'top', 'center', or 'bottom'.
- */
-function add_image_size( $name, $width = 0, $height = 0, $crop = false ) {
-	global $_wp_additional_image_sizes;
-
-	$_wp_additional_image_sizes[ $name ] = array(
-		'width'  => absint( $width ),
-		'height' => absint( $height ),
-		'crop'   => $crop,
-	);
-}
-
-/**
- * Check if an image size exists.
- *
- * @since 3.9.0
- *
- * @param string $name The image size to check.
- * @return bool True if the image size exists, false if not.
- */
-function has_image_size( $name ) {
-	$sizes = wp_get_additional_image_sizes();
-	return isset( $sizes[ $name ] );
-}
-
-/**
- * Remove a new image size.
- *
- * @since 3.9.0
- *
- * @global array $_wp_additional_image_sizes
- *
- * @param string $name The image size to remove.
- * @return bool True if the image size was successfully removed, false on failure.
- */
-function remove_image_size( $name ) {
-	global $_wp_additional_image_sizes;
-
-	if ( isset( $_wp_additional_image_sizes[ $name ] ) ) {
-		unset( $_wp_additional_image_sizes[ $name ] );
-		return true;
-	}
-
-	return false;
-}
-
-/**
- * Registers an image size for the post thumbnail.
- *
- * @since 2.9.0
- *
- * @see add_image_size() for details on cropping behavior.
- *
- * @param int        $width  Image width in pixels.
- * @param int        $height Image height in pixels.
- * @param bool|array $crop   Optional. Whether to crop images to specified width and height or resize.
- *                           An array can specify positioning of the crop area. Default false.
- */
-function set_post_thumbnail_size( $width = 0, $height = 0, $crop = false ) {
-	add_image_size( 'post-thumbnail', $width, $height, $crop );
-}
-
-/**
- * Gets an img tag for an image attachment, scaling it down if requested.
- *
- * The {@see 'get_image_tag_class'} filter allows for changing the class name for the
- * image without having to use regular expressions on the HTML content. The
- * parameters are: what WordPress will use for the class, the Attachment ID,
- * image align value, and the size the image should be.
- *
- * The second filter, {@see 'get_image_tag'}, has the HTML content, which can then be
- * further manipulated by a plugin to change all attribute values and even HTML
- * content.
- *
- * @since 2.5.0
- *
- * @param int          $id    Attachment ID.
- * @param string       $alt   Image Description for the alt attribute.
- * @param string       $title Image Description for the title attribute.
- * @param string       $align Part of the class name for aligning the image.
- * @param string|array $size  Optional. Registered image size to retrieve a tag for. Accepts any
- *                            valid image size, or an array of width and height values in pixels
- *                            (in that order). Default 'medium'.
- * @return string HTML IMG element for given image attachment
- */
-function get_image_tag( $id, $alt, $title, $align, $size = 'medium' ) {
-
-	list( $img_src, $width, $height ) = image_downsize( $id, $size );
-	$hwstring                         = image_hwstring( $width, $height );
-
-	$title = $title ? 'title="' . esc_attr( $title ) . '" ' : '';
-
-	$class = 'align' . esc_attr( $align ) . ' size-' . esc_attr( $size ) . ' wp-image-' . $id;
-
-	/**
-	 * Filters the value of the attachment's image tag class attribute.
-	 *
-	 * @since 2.6.0
-	 *
-	 * @param string       $class CSS class name or space-separated list of classes.
-	 * @param int          $id    Attachment ID.
-	 * @param string       $align Part of the class name for aligning the image.
-	 * @param string|array $size  Size of image. Image size or array of width and height values (in that order).
-	 *                            Default 'medium'.
-	 */
-	$class = apply_filters( 'get_image_tag_class', $class, $id, $align, $size );
-
-	$html = '<img src="' . esc_attr( $img_src ) . '" alt="' . esc_attr( $alt ) . '" ' . $title . $hwstring . 'class="' . $class . '" />';
-
-	/**
-	 * Filters the HTML content for the image tag.
-	 *
-	 * @since 2.6.0
-	 *
-	 * @param string       $html  HTML content for the image.
-	 * @param int          $id    Attachment ID.
-	 * @param string       $alt   Alternate text.
-	 * @param string       $title Attachment title.
-	 * @param string       $align Part of the class name for aligning the image.
-	 * @param string|array $size  Size of image. Image size or array of width and height values (in that order).
-	 *                            Default 'medium'.
-	 */
-	return apply_filters( 'get_image_tag', $html, $id, $alt, $title, $align, $size );
-}
-
-/**
- * Calculates the new dimensions for a down-sampled image.
- *
- * If either width or height are empty, no constraint is applied on
- * that dimension.
- *
- * @since 2.5.0
- *
- * @param int $current_width  Current width of the image.
- * @param int $current_height Current height of the image.
- * @param int $max_width      Optional. Max width in pixels to constrain to. Default 0.
- * @param int $max_height     Optional. Max height in pixels to constrain to. Default 0.
- * @return array First item is the width, the second item is the height.
- */
-function wp_constrain_dimensions( $current_width, $current_height, $max_width = 0, $max_height = 0 ) {
-	if ( ! $max_width && ! $max_height ) {
-		return array( $current_width, $current_height );
-	}
-
-	$width_ratio  = 1.0;
-	$height_ratio = 1.0;
-	$did_width    = false;
-	$did_height   = false;
-
-	if ( $max_width > 0 && $current_width > 0 && $current_width > $max_width ) {
-		$width_ratio = $max_width / $current_width;
-		$did_width   = true;
-	}
-
-	if ( $max_height > 0 && $current_height > 0 && $current_height > $max_height ) {
-		$height_ratio = $max_height / $current_height;
-		$did_height   = true;
-	}
-
-	// Calculate the larger/smaller ratios
-	$smaller_ratio = min( $width_ratio, $height_ratio );
-	$larger_ratio  = max( $width_ratio, $height_ratio );
-
-	if ( (int) round( $current_width * $larger_ratio ) > $max_width || (int) round( $current_height * $larger_ratio ) > $max_height ) {
-		// The larger ratio is too big. It would result in an overflow.
-		$ratio = $smaller_ratio;
-	} else {
-		// The larger ratio fits, and is likely to be a more "snug" fit.
-		$ratio = $larger_ratio;
-	}
-
-	// Very small dimensions may result in 0, 1 should be the minimum.
-	$w = max( 1, (int) round( $current_width * $ratio ) );
-	$h = max( 1, (int) round( $current_height * $ratio ) );
-
-	// Sometimes, due to rounding, we'll end up with a result like this: 465x700 in a 177x177 box is 117x176... a pixel short
-	// We also have issues with recursive calls resulting in an ever-changing result. Constraining to the result of a constraint should yield the original result.
-	// Thus we look for dimensions that are one pixel shy of the max value and bump them up
-
-	// Note: $did_width means it is possible $smaller_ratio == $width_ratio.
-	if ( $did_width && $w === $max_width - 1 ) {
-		$w = $max_width; // Round it up
-	}
-
-	// Note: $did_height means it is possible $smaller_ratio == $height_ratio.
-	if ( $did_height && $h === $max_height - 1 ) {
-		$h = $max_height; // Round it up
-	}
-
-	/**
-	 * Filters dimensions to constrain down-sampled images to.
-	 *
-	 * @since 4.1.0
-	 *
-	 * @param array $dimensions     The image width and height.
-	 * @param int   $current_width  The current width of the image.
-	 * @param int   $current_height The current height of the image.
-	 * @param int   $max_width      The maximum width permitted.
-	 * @param int   $max_height     The maximum height permitted.
-	 */
-	return apply_filters( 'wp_constrain_dimensions', array( $w, $h ), $current_width, $current_height, $max_width, $max_height );
-}
-
-/**
- * Retrieves calculated resize dimensions for use in WP_Image_Editor.
- *
- * Calculates dimensions and coordinates for a resized image that fits
- * within a specified width and height.
- *
- * Cropping behavior is dependent on the value of $crop:
- * 1. If false (default), images will not be cropped.
- * 2. If an array in the form of array( x_crop_position, y_crop_position ):
- *    - x_crop_position accepts 'left' 'center', or 'right'.
- *    - y_crop_position accepts 'top', 'center', or 'bottom'.
- *    Images will be cropped to the specified dimensions within the defined crop area.
- * 3. If true, images will be cropped to the specified dimensions using center positions.
- *
- * @since 2.5.0
- *
- * @param int        $orig_w Original width in pixels.
- * @param int        $orig_h Original height in pixels.
- * @param int        $dest_w New width in pixels.
- * @param int        $dest_h New height in pixels.
- * @param bool|array $crop   Optional. Whether to crop image to specified width and height or resize.
- *                           An array can specify positioning of the crop area. Default false.
- * @return false|array False on failure. Returned array matches parameters for `imagecopyresampled()`.
- */
-function image_resize_dimensions( $orig_w, $orig_h, $dest_w, $dest_h, $crop = false ) {
-
-	if ( $orig_w <= 0 || $orig_h <= 0 ) {
-		return false;
-	}
-	// at least one of dest_w or dest_h must be specific
-	if ( $dest_w <= 0 && $dest_h <= 0 ) {
-		return false;
-	}
-
-	/**
-	 * Filters whether to preempt calculating the image resize dimensions.
-	 *
-	 * Passing a non-null value to the filter will effectively short-circuit
-	 * image_resize_dimensions(), returning that value instead.
-	 *
-	 * @since 3.4.0
-	 *
-	 * @param null|mixed $null   Whether to preempt output of the resize dimensions.
-	 * @param int        $orig_w Original width in pixels.
-	 * @param int        $orig_h Original height in pixels.
-	 * @param int        $dest_w New width in pixels.
-	 * @param int        $dest_h New height in pixels.
-	 * @param bool|array $crop   Whether to crop image to specified width and height or resize.
-	 *                           An array can specify positioning of the crop area. Default false.
-	 */
-	$output = apply_filters( 'image_resize_dimensions', null, $orig_w, $orig_h, $dest_w, $dest_h, $crop );
-
-	if ( null !== $output ) {
-		return $output;
-	}
-
-	// Stop if the destination size is larger than the original image dimensions.
-	if ( empty( $dest_h ) ) {
-		if ( $orig_w < $dest_w ) {
-			return false;
-		}
-	} elseif ( empty( $dest_w ) ) {
-		if ( $orig_h < $dest_h ) {
-			return false;
-		}
-	} else {
-		if ( $orig_w < $dest_w && $orig_h < $dest_h ) {
-			return false;
-		}
-	}
-
-	if ( $crop ) {
-		// Crop the largest possible portion of the original image that we can size to $dest_w x $dest_h.
-		// Note that the requested crop dimensions are used as a maximum bounding box for the original image.
-		// If the original image's width or height is less than the requested width or height
-		// only the greater one will be cropped.
-		// For example when the original image is 600x300, and the requested crop dimensions are 400x400,
-		// the resulting image will be 400x300.
-		$aspect_ratio = $orig_w / $orig_h;
-		$new_w        = min( $dest_w, $orig_w );
-		$new_h        = min( $dest_h, $orig_h );
-
-		if ( ! $new_w ) {
-			$new_w = (int) round( $new_h * $aspect_ratio );
-		}
-
-		if ( ! $new_h ) {
-			$new_h = (int) round( $new_w / $aspect_ratio );
-		}
-
-		$size_ratio = max( $new_w / $orig_w, $new_h / $orig_h );
-
-		$crop_w = round( $new_w / $size_ratio );
-		$crop_h = round( $new_h / $size_ratio );
-
-		if ( ! is_array( $crop ) || count( $crop ) !== 2 ) {
-			$crop = array( 'center', 'center' );
-		}
-
-		list( $x, $y ) = $crop;
-
-		if ( 'left' === $x ) {
-			$s_x = 0;
-		} elseif ( 'right' === $x ) {
-			$s_x = $orig_w - $crop_w;
-		} else {
-			$s_x = floor( ( $orig_w - $crop_w ) / 2 );
-		}
-
-		if ( 'top' === $y ) {
-			$s_y = 0;
-		} elseif ( 'bottom' === $y ) {
-			$s_y = $orig_h - $crop_h;
-		} else {
-			$s_y = floor( ( $orig_h - $crop_h ) / 2 );
-		}
-	} else {
-		// Resize using $dest_w x $dest_h as a maximum bounding box.
-		$crop_w = $orig_w;
-		$crop_h = $orig_h;
-
-		$s_x = 0;
-		$s_y = 0;
-
-		list( $new_w, $new_h ) = wp_constrain_dimensions( $orig_w, $orig_h, $dest_w, $dest_h );
-	}
-
-	if ( wp_fuzzy_number_match( $new_w, $orig_w ) && wp_fuzzy_number_match( $new_h, $orig_h ) ) {
-		// The new size has virtually the same dimensions as the original image.
-
-		/**
-		 * Filters whether to proceed with making an image sub-size with identical dimensions
-		 * with the original/source image. Differences of 1px may be due to rounding and are ignored.
-		 *
-		 * @since 5.3.0
-		 *
-		 * @param bool The filtered value.
-		 * @param int  Original image width.
-		 * @param int  Original image height.
-		 */
-		$proceed = (bool) apply_filters( 'wp_image_resize_identical_dimensions', false, $orig_w, $orig_h );
-
-		if ( ! $proceed ) {
-			return false;
-		}
-	}
-
-	// The return array matches the parameters to imagecopyresampled().
-	// int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h
-	return array( 0, 0, (int) $s_x, (int) $s_y, (int) $new_w, (int) $new_h, (int) $crop_w, (int) $crop_h );
-}
-
-/**
- * Resizes an image to make a thumbnail or intermediate size.
- *
- * The returned array has the file size, the image width, and image height. The
- * {@see 'image_make_intermediate_size'} filter can be used to hook in and change the
- * values of the returned array. The only parameter is the resized file path.
- *
- * @since 2.5.0
- *
- * @param string $file   File path.
- * @param int    $width  Image width.
- * @param int    $height Image height.
- * @param bool   $crop   Optional. Whether to crop image to specified width and height or resize.
- *                       Default false.
- * @return false|array False, if no image was created. Metadata array on success.
- */
-function image_make_intermediate_size( $file, $width, $height, $crop = false ) {
-	if ( $width || $height ) {
-		$editor = wp_get_image_editor( $file );
-
-		if ( is_wp_error( $editor ) || is_wp_error( $editor->resize( $width, $height, $crop ) ) ) {
-			return false;
-		}
-
-		$resized_file = $editor->save();
-
-		if ( ! is_wp_error( $resized_file ) && $resized_file ) {
-			unset( $resized_file['path'] );
-			return $resized_file;
-		}
-	}
-	return false;
-}
-
-/**
- * Helper function to test if aspect ratios for two images match.
- *
- * @since 4.6.0
- *
- * @param int $source_width  Width of the first image in pixels.
- * @param int $source_height Height of the first image in pixels.
- * @param int $target_width  Width of the second image in pixels.
- * @param int $target_height Height of the second image in pixels.
- * @return bool True if aspect ratios match within 1px. False if not.
- */
-function wp_image_matches_ratio( $source_width, $source_height, $target_width, $target_height ) {
-	/*
-	 * To test for varying crops, we constrain the dimensions of the larger image
-	 * to the dimensions of the smaller image and see if they match.
-	 */
-	if ( $source_width > $target_width ) {
-		$constrained_size = wp_constrain_dimensions( $source_width, $source_height, $target_width );
-		$expected_size    = array( $target_width, $target_height );
-	} else {
-		$constrained_size = wp_constrain_dimensions( $target_width, $target_height, $source_width );
-		$expected_size    = array( $source_width, $source_height );
-	}
-
-	// If the image dimensions are within 1px of the expected size, we consider it a match.
-	$matched = ( wp_fuzzy_number_match( $constrained_size[0], $expected_size[0] ) && wp_fuzzy_number_match( $constrained_size[1], $expected_size[1] ) );
-
-	return $matched;
-}
-
-/**
- * Retrieves the image's intermediate size (resized) path, width, and height.
- *
- * The $size parameter can be an array with the width and height respectively.
- * If the size matches the 'sizes' metadata array for width and height, then it
- * will be used. If there is no direct match, then the nearest image size larger
- * than the specified size will be used. If nothing is found, then the function
- * will break out and return false.
- *
- * The metadata 'sizes' is used for compatible sizes that can be used for the
- * parameter $size value.
- *
- * The url path will be given, when the $size parameter is a string.
- *
- * If you are passing an array for the $size, you should consider using
- * add_image_size() so that a cropped version is generated. It's much more
- * efficient than having to find the closest-sized image and then having the
- * browser scale down the image.
- *
- * @since 2.5.0
- *
- * @param int          $post_id Attachment ID.
- * @param array|string $size    Optional. Image size. Accepts any valid image size, or an array
- *                              of width and height values in pixels (in that order).
- *                              Default 'thumbnail'.
- * @return false|array $data {
- *     Array of file relative path, width, and height on success. Additionally includes absolute
- *     path and URL if registered size is passed to $size parameter. False on failure.
- *
- *     @type string $file   Image's path relative to uploads directory
- *     @type int    $width  Width of image
- *     @type int    $height Height of image
- *     @type string $path   Image's absolute filesystem path.
- *     @type string $url    Image's URL.
- * }
- */
-function image_get_intermediate_size( $post_id, $size = 'thumbnail' ) {
-	$imagedata = wp_get_attachment_metadata( $post_id );
-
-	if ( ! $size || ! is_array( $imagedata ) || empty( $imagedata['sizes'] ) ) {
-		return false;
-	}
-
-	$data = array();
-
-	// Find the best match when '$size' is an array.
-	if ( is_array( $size ) ) {
-		$candidates = array();
-
-		if ( ! isset( $imagedata['file'] ) && isset( $imagedata['sizes']['full'] ) ) {
-			$imagedata['height'] = $imagedata['sizes']['full']['height'];
-			$imagedata['width']  = $imagedata['sizes']['full']['width'];
-		}
-
-		foreach ( $imagedata['sizes'] as $_size => $data ) {
-			// If there's an exact match to an existing image size, short circuit.
-			if ( intval( $data['width'] ) === intval( $size[0] ) && intval( $data['height'] ) === intval( $size[1] ) ) {
-				$candidates[ $data['width'] * $data['height'] ] = $data;
-				break;
-			}
-
-			// If it's not an exact match, consider larger sizes with the same aspect ratio.
-			if ( $data['width'] >= $size[0] && $data['height'] >= $size[1] ) {
-				// If '0' is passed to either size, we test ratios against the original file.
-				if ( 0 === $size[0] || 0 === $size[1] ) {
-					$same_ratio = wp_image_matches_ratio( $data['width'], $data['height'], $imagedata['width'], $imagedata['height'] );
-				} else {
-					$same_ratio = wp_image_matches_ratio( $data['width'], $data['height'], $size[0], $size[1] );
-				}
-
-				if ( $same_ratio ) {
-					$candidates[ $data['width'] * $data['height'] ] = $data;
-				}
-			}
-		}
-
-		if ( ! empty( $candidates ) ) {
-			// Sort the array by size if we have more than one candidate.
-			if ( 1 < count( $candidates ) ) {
-				ksort( $candidates );
-			}
-
-			$data = array_shift( $candidates );
-			/*
-			* When the size requested is smaller than the thumbnail dimensions, we
-			* fall back to the thumbnail size to maintain backward compatibility with
-			* pre 4.6 versions of WordPress.
-			*/
-		} elseif ( ! empty( $imagedata['sizes']['thumbnail'] ) && $imagedata['sizes']['thumbnail']['width'] >= $size[0] && $imagedata['sizes']['thumbnail']['width'] >= $size[1] ) {
-			$data = $imagedata['sizes']['thumbnail'];
-		} else {
-			return false;
-		}
-
-		// Constrain the width and height attributes to the requested values.
-		list( $data['width'], $data['height'] ) = image_constrain_size_for_editor( $data['width'], $data['height'], $size );
-
-	} elseif ( ! empty( $imagedata['sizes'][ $size ] ) ) {
-		$data = $imagedata['sizes'][ $size ];
-	}
-
-	// If we still don't have a match at this point, return false.
-	if ( empty( $data ) ) {
-		return false;
-	}
-
-	// include the full filesystem path of the intermediate file
-	if ( empty( $data['path'] ) && ! empty( $data['file'] ) && ! empty( $imagedata['file'] ) ) {
-		$file_url     = wp_get_attachment_url( $post_id );
-		$data['path'] = path_join( dirname( $imagedata['file'] ), $data['file'] );
-		$data['url']  = path_join( dirname( $file_url ), $data['file'] );
-	}
-
-	/**
-	 * Filters the output of image_get_intermediate_size()
-	 *
-	 * @since 4.4.0
-	 *
-	 * @see image_get_intermediate_size()
-	 *
-	 * @param array        $data    Array of file relative path, width, and height on success. May also include
-	 *                              file absolute path and URL.
-	 * @param int          $post_id The post_id of the image attachment
-	 * @param string|array $size    Registered image size or flat array of initially-requested height and width
-	 *                              dimensions (in that order).
-	 */
-	return apply_filters( 'image_get_intermediate_size', $data, $post_id, $size );
-}
-
-/**
- * Gets the available intermediate image sizes.
- *
- * @since 3.0.0
- *
- * @return array Returns a filtered array of image size strings.
- */
-function get_intermediate_image_sizes() {
-	$default_sizes    = array( 'thumbnail', 'medium', 'medium_large', 'large' );
-	$additional_sizes = wp_get_additional_image_sizes();
-
-	if ( ! empty( $additional_sizes ) ) {
-		$default_sizes = array_merge( $default_sizes, array_keys( $additional_sizes ) );
-	}
-
-	/**
-	 * Filters the list of intermediate image sizes.
-	 *
-	 * @since 2.5.0
-	 *
-	 * @param array $default_sizes An array of intermediate image sizes. Defaults
-	 *                             are 'thumbnail', 'medium', 'medium_large', 'large'.
-	 */
-	return apply_filters( 'intermediate_image_sizes', $default_sizes );
-}
-
-/**
- * Returns a normalized list of all currently registered image sub-sizes.
- *
- * @since 5.3.0
- * @uses wp_get_additional_image_sizes()
- * @uses get_intermediate_image_sizes()
- *
- * @return array Associative array of the registered image sub-sizes.
- */
-function wp_get_registered_image_subsizes() {
-	$additional_sizes = wp_get_additional_image_sizes();
-	$all_sizes        = array();
-
-	foreach ( get_intermediate_image_sizes() as $size_name ) {
-		$size_data = array(
-			'width'  => 0,
-			'height' => 0,
-			'crop'   => false,
-		);
-
-		if ( isset( $additional_sizes[ $size_name ]['width'] ) ) {
-			// For sizes added by plugins and themes.
-			$size_data['width'] = intval( $additional_sizes[ $size_name ]['width'] );
-		} else {
-			// For default sizes set in options.
-			$size_data['width'] = intval( get_option( "{$size_name}_size_w" ) );
-		}
-
-		if ( isset( $additional_sizes[ $size_name ]['height'] ) ) {
-			$size_data['height'] = intval( $additional_sizes[ $size_name ]['height'] );
-		} else {
-			$size_data['height'] = intval( get_option( "{$size_name}_size_h" ) );
-		}
-
-		if ( empty( $size_data['width'] ) && empty( $size_data['height'] ) ) {
-			// This size isn't set.
-			continue;
-		}
-
-		if ( isset( $additional_sizes[ $size_name ]['crop'] ) ) {
-			$size_data['crop'] = $additional_sizes[ $size_name ]['crop'];
-		} else {
-			$size_data['crop'] = get_option( "{$size_name}_crop" );
-		}
-
-		if ( ! is_array( $size_data['crop'] ) || empty( $size_data['crop'] ) ) {
-			$size_data['crop'] = (bool) $size_data['crop'];
-		}
-
-		$all_sizes[ $size_name ] = $size_data;
-	}
-
-	return $all_sizes;
-}
-
-/**
- * Retrieve an image to represent an attachment.
- *
- * A mime icon for files, thumbnail or intermediate size for images.
- *
- * The returned array contains four values: the URL of the attachment image src,
- * the width of the image file, the height of the image file, and a boolean
- * representing whether the returned array describes an intermediate (generated)
- * image size or the original, full-sized upload.
- *
- * @since 2.5.0
- *
- * @param int          $attachment_id Image attachment ID.
- * @param string|array $size          Optional. Image size. Accepts any valid image size, or an array of width
- *                                    and height values in pixels (in that order). Default 'thumbnail'.
- * @param bool         $icon          Optional. Whether the image should be treated as an icon. Default false.
- * @return false|array Returns an array (url, width, height, is_intermediate), or false, if no image is available.
- */
-function wp_get_attachment_image_src( $attachment_id, $size = 'thumbnail', $icon = false ) {
-	// get a thumbnail or intermediate image if there is one
-	$image = image_downsize( $attachment_id, $size );
-	if ( ! $image ) {
-		$src = false;
-
-		if ( $icon ) {
-			$src = wp_mime_type_icon( $attachment_id );
-
-			if ( $src ) {
-				/** This filter is documented in wp-includes/post.php */
-				$icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' );
-
-				$src_file               = $icon_dir . '/' . wp_basename( $src );
-				list( $width, $height ) = @getimagesize( $src_file );
-			}
-		}
-
-		if ( $src && $width && $height ) {
-			$image = array( $src, $width, $height );
-		}
-	}
-	/**
-	 * Filters the image src result.
-	 *
-	 * @since 4.3.0
-	 *
-	 * @param array|false  $image         Either array with src, width & height, icon src, or false.
-	 * @param int          $attachment_id Image attachment ID.
-	 * @param string|array $size          Size of image. Image size or array of width and height values
-	 *                                    (in that order). Default 'thumbnail'.
-	 * @param bool         $icon          Whether the image should be treated as an icon. Default false.
-	 */
-	return apply_filters( 'wp_get_attachment_image_src', $image, $attachment_id, $size, $icon );
-}
-
-/**
- * Get an HTML img element representing an image attachment
- *
- * While `$size` will accept an array, it is better to register a size with
- * add_image_size() so that a cropped version is generated. It's much more
- * efficient than having to find the closest-sized image and then having the
- * browser scale down the image.
- *
- * @since 2.5.0
- *
- * @param int          $attachment_id Image attachment ID.
- * @param string|array $size          Optional. Image size. Accepts any valid image size, or an array of width
- *                                    and height values in pixels (in that order). Default 'thumbnail'.
- * @param bool         $icon          Optional. Whether the image should be treated as an icon. Default false.
- * @param string|array $attr          Optional. Attributes for the image markup. Default empty.
- * @return string HTML img element or empty string on failure.
- */
-function wp_get_attachment_image( $attachment_id, $size = 'thumbnail', $icon = false, $attr = '' ) {
-	$html  = '';
-	$image = wp_get_attachment_image_src( $attachment_id, $size, $icon );
-	if ( $image ) {
-		list($src, $width, $height) = $image;
-		$hwstring                   = image_hwstring( $width, $height );
-		$size_class                 = $size;
-		if ( is_array( $size_class ) ) {
-			$size_class = join( 'x', $size_class );
-		}
-		$attachment   = get_post( $attachment_id );
-		$default_attr = array(
-			'src'   => $src,
-			'class' => "attachment-$size_class size-$size_class",
-			'alt'   => trim( strip_tags( get_post_meta( $attachment_id, '_wp_attachment_image_alt', true ) ) ),
-		);
-
-		$attr = wp_parse_args( $attr, $default_attr );
-
-		// Generate 'srcset' and 'sizes' if not already present.
-		if ( empty( $attr['srcset'] ) ) {
-			$image_meta = wp_get_attachment_metadata( $attachment_id );
-
-			if ( is_array( $image_meta ) ) {
-				$size_array = array( absint( $width ), absint( $height ) );
-				$srcset     = wp_calculate_image_srcset( $size_array, $src, $image_meta, $attachment_id );
-				$sizes      = wp_calculate_image_sizes( $size_array, $src, $image_meta, $attachment_id );
-
-				if ( $srcset && ( $sizes || ! empty( $attr['sizes'] ) ) ) {
-					$attr['srcset'] = $srcset;
-
-					if ( empty( $attr['sizes'] ) ) {
-						$attr['sizes'] = $sizes;
-					}
-				}
-			}
-		}
-
-		/**
-		 * Filters the list of attachment image attributes.
-		 *
-		 * @since 2.8.0
-		 *
-		 * @param array        $attr       Attributes for the image markup.
-		 * @param WP_Post      $attachment Image attachment post.
-		 * @param string|array $size       Requested size. Image size or array of width and height values
-		 *                                 (in that order). Default 'thumbnail'.
-		 */
-		$attr = apply_filters( 'wp_get_attachment_image_attributes', $attr, $attachment, $size );
-		$attr = array_map( 'esc_attr', $attr );
-		$html = rtrim( "<img $hwstring" );
-		foreach ( $attr as $name => $value ) {
-			$html .= " $name=" . '"' . $value . '"';
-		}
-		$html .= ' />';
-	}
-
-	return $html;
-}
-
-/**
- * Get the URL of an image attachment.
- *
- * @since 4.4.0
- *
- * @param int          $attachment_id Image attachment ID.
- * @param string|array $size          Optional. Image size to retrieve. Accepts any valid image size, or an array
- *                                    of width and height values in pixels (in that order). Default 'thumbnail'.
- * @param bool         $icon          Optional. Whether the image should be treated as an icon. Default false.
- * @return string|false Attachment URL or false if no image is available.
- */
-function wp_get_attachment_image_url( $attachment_id, $size = 'thumbnail', $icon = false ) {
-	$image = wp_get_attachment_image_src( $attachment_id, $size, $icon );
-	return isset( $image['0'] ) ? $image['0'] : false;
-}
-
-/**
- * Get the attachment path relative to the upload directory.
- *
- * @since 4.4.1
- * @access private
- *
- * @param string $file Attachment file name.
- * @return string Attachment path relative to the upload directory.
- */
-function _wp_get_attachment_relative_path( $file ) {
-	$dirname = dirname( $file );
-
-	if ( '.' === $dirname ) {
-		return '';
-	}
-
-	if ( false !== strpos( $dirname, 'wp-content/uploads' ) ) {
-		// Get the directory name relative to the upload directory (back compat for pre-2.7 uploads)
-		$dirname = substr( $dirname, strpos( $dirname, 'wp-content/uploads' ) + 18 );
-		$dirname = ltrim( $dirname, '/' );
-	}
-
-	return $dirname;
-}
-
-/**
- * Get the image size as array from its meta data.
- *
- * Used for responsive images.
- *
- * @since 4.4.0
- * @access private
- *
- * @param string $size_name  Image size. Accepts any valid image size name ('thumbnail', 'medium', etc.).
- * @param array  $image_meta The image meta data.
- * @return array|bool Array of width and height values in pixels (in that order)
- *                    or false if the size doesn't exist.
- */
-function _wp_get_image_size_from_meta( $size_name, $image_meta ) {
-	if ( $size_name === 'full' ) {
-		return array(
-			absint( $image_meta['width'] ),
-			absint( $image_meta['height'] ),
-		);
-	} elseif ( ! empty( $image_meta['sizes'][ $size_name ] ) ) {
-		return array(
-			absint( $image_meta['sizes'][ $size_name ]['width'] ),
-			absint( $image_meta['sizes'][ $size_name ]['height'] ),
-		);
-	}
-
-	return false;
-}
-
-/**
- * Retrieves the value for an image attachment's 'srcset' attribute.
- *
- * @since 4.4.0
- *
- * @see wp_calculate_image_srcset()
- *
- * @param int          $attachment_id Image attachment ID.
- * @param array|string $size          Optional. Image size. Accepts any valid image size, or an array of
- *                                    width and height values in pixels (in that order). Default 'medium'.
- * @param array        $image_meta    Optional. The image meta data as returned by 'wp_get_attachment_metadata()'.
- *                                    Default null.
- * @return string|bool A 'srcset' value string or false.
- */
-function wp_get_attachment_image_srcset( $attachment_id, $size = 'medium', $image_meta = null ) {
-	$image = wp_get_attachment_image_src( $attachment_id, $size );
-
-	if ( ! $image ) {
-		return false;
-	}
-
-	if ( ! is_array( $image_meta ) ) {
-		$image_meta = wp_get_attachment_metadata( $attachment_id );
-	}
-
-	$image_src  = $image[0];
-	$size_array = array(
-		absint( $image[1] ),
-		absint( $image[2] ),
-	);
-
-	return wp_calculate_image_srcset( $size_array, $image_src, $image_meta, $attachment_id );
-}
-
-/**
- * A helper function to calculate the image sources to include in a 'srcset' attribute.
- *
- * @since 4.4.0
- *
- * @param array  $size_array    Array of width and height values in pixels (in that order).
- * @param string $image_src     The 'src' of the image.
- * @param array  $image_meta    The image meta data as returned by 'wp_get_attachment_metadata()'.
- * @param int    $attachment_id Optional. The image attachment ID to pass to the filter. Default 0.
- * @return string|bool          The 'srcset' attribute value. False on error or when only one source exists.
- */
-function wp_calculate_image_srcset( $size_array, $image_src, $image_meta, $attachment_id = 0 ) {
-	/**
-	 * Let plugins pre-filter the image meta to be able to fix inconsistencies in the stored data.
-	 *
-	 * @since 4.5.0
-	 *
-	 * @param array  $image_meta    The image meta data as returned by 'wp_get_attachment_metadata()'.
-	 * @param array  $size_array    Array of width and height values in pixels (in that order).
-	 * @param string $image_src     The 'src' of the image.
-	 * @param int    $attachment_id The image attachment ID or 0 if not supplied.
-	 */
-	$image_meta = apply_filters( 'wp_calculate_image_srcset_meta', $image_meta, $size_array, $image_src, $attachment_id );
-
-	if ( empty( $image_meta['sizes'] ) || ! isset( $image_meta['file'] ) || strlen( $image_meta['file'] ) < 4 ) {
-		return false;
-	}
-
-	$image_sizes = $image_meta['sizes'];
-
-	// Get the width and height of the image.
-	$image_width  = (int) $size_array[0];
-	$image_height = (int) $size_array[1];
-
-	// Bail early if error/no width.
-	if ( $image_width < 1 ) {
-		return false;
-	}
-
-	$image_basename = wp_basename( $image_meta['file'] );
-
-	/*
-	 * WordPress flattens animated GIFs into one frame when generating intermediate sizes.
-	 * To avoid hiding animation in user content, if src is a full size GIF, a srcset attribute is not generated.
-	 * If src is an intermediate size GIF, the full size is excluded from srcset to keep a flattened GIF from becoming animated.
-	 */
-	if ( ! isset( $image_sizes['thumbnail']['mime-type'] ) || 'image/gif' !== $image_sizes['thumbnail']['mime-type'] ) {
-		$image_sizes[] = array(
-			'width'  => $image_meta['width'],
-			'height' => $image_meta['height'],
-			'file'   => $image_basename,
-		);
-	} elseif ( strpos( $image_src, $image_meta['file'] ) ) {
-		return false;
-	}
-
-	// Retrieve the uploads sub-directory from the full size image.
-	$dirname = _wp_get_attachment_relative_path( $image_meta['file'] );
-
-	if ( $dirname ) {
-		$dirname = trailingslashit( $dirname );
-	}
-
-	$upload_dir    = wp_get_upload_dir();
-	$image_baseurl = trailingslashit( $upload_dir['baseurl'] ) . $dirname;
-
-	/*
-	 * If currently on HTTPS, prefer HTTPS URLs when we know they're supported by the domain
-	 * (which is to say, when they share the domain name of the current request).
-	 */
-	if ( is_ssl() && 'https' !== substr( $image_baseurl, 0, 5 ) && parse_url( $image_baseurl, PHP_URL_HOST ) === $_SERVER['HTTP_HOST'] ) {
-		$image_baseurl = set_url_scheme( $image_baseurl, 'https' );
-	}
-
-	/*
-	 * Images that have been edited in WordPress after being uploaded will
-	 * contain a unique hash. Look for that hash and use it later to filter
-	 * out images that are leftovers from previous versions.
-	 */
-	$image_edited = preg_match( '/-e[0-9]{13}/', wp_basename( $image_src ), $image_edit_hash );
-
-	/**
-	 * Filters the maximum image width to be included in a 'srcset' attribute.
-	 *
-	 * @since 4.4.0
-	 *
-	 * @param int   $max_width  The maximum image width to be included in the 'srcset'. Default '2048'.
-	 * @param array $size_array Array of width and height values in pixels (in that order).
-	 */
-	$max_srcset_image_width = apply_filters( 'max_srcset_image_width', 2048, $size_array );
-
-	// Array to hold URL candidates.
-	$sources = array();
-
-	/**
-	 * To make sure the ID matches our image src, we will check to see if any sizes in our attachment
-	 * meta match our $image_src. If no matches are found we don't return a srcset to avoid serving
-	 * an incorrect image. See #35045.
-	 */
-	$src_matched = false;
-
-	/*
-	 * Loop through available images. Only use images that are resized
-	 * versions of the same edit.
-	 */
-	foreach ( $image_sizes as $image ) {
-		$is_src = false;
-
-		// Check if image meta isn't corrupted.
-		if ( ! is_array( $image ) ) {
-			continue;
-		}
-
-		// If the file name is part of the `src`, we've confirmed a match.
-		if ( ! $src_matched && false !== strpos( $image_src, $dirname . $image['file'] ) ) {
-			$src_matched = true;
-			$is_src      = true;
-		}
-
-		// Filter out images that are from previous edits.
-		if ( $image_edited && ! strpos( $image['file'], $image_edit_hash[0] ) ) {
-			continue;
-		}
-
-		/*
-		 * Filters out images that are wider than '$max_srcset_image_width' unless
-		 * that file is in the 'src' attribute.
-		 */
-		if ( $max_srcset_image_width && $image['width'] > $max_srcset_image_width && ! $is_src ) {
-			continue;
-		}
-
-		// If the image dimensions are within 1px of the expected size, use it.
-		if ( wp_image_matches_ratio( $image_width, $image_height, $image['width'], $image['height'] ) ) {
-			// Add the URL, descriptor, and value to the sources array to be returned.
-			$source = array(
-				'url'        => $image_baseurl . $image['file'],
-				'descriptor' => 'w',
-				'value'      => $image['width'],
-			);
-
-			// The 'src' image has to be the first in the 'srcset', because of a bug in iOS8. See #35030.
-			if ( $is_src ) {
-				$sources = array( $image['width'] => $source ) + $sources;
-			} else {
-				$sources[ $image['width'] ] = $source;
-			}
-		}
-	}
-
-	/**
-	 * Filters an image's 'srcset' sources.
-	 *
-	 * @since 4.4.0
-	 *
-	 * @param array  $sources {
-	 *     One or more arrays of source data to include in the 'srcset'.
-	 *
-	 *     @type array $width {
-	 *         @type string $url        The URL of an image source.
-	 *         @type string $descriptor The descriptor type used in the image candidate string,
-	 *                                  either 'w' or 'x'.
-	 *         @type int    $value      The source width if paired with a 'w' descriptor, or a
-	 *                                  pixel density value if paired with an 'x' descriptor.
-	 *     }
-	 * }
-	 * @param array  $size_array    Array of width and height values in pixels (in that order).
-	 * @param string $image_src     The 'src' of the image.
-	 * @param array  $image_meta    The image meta data as returned by 'wp_get_attachment_metadata()'.
-	 * @param int    $attachment_id Image attachment ID or 0.
-	 */
-	$sources = apply_filters( 'wp_calculate_image_srcset', $sources, $size_array, $image_src, $image_meta, $attachment_id );
-
-	// Only return a 'srcset' value if there is more than one source.
-	if ( ! $src_matched || ! is_array( $sources ) || count( $sources ) < 2 ) {
-		return false;
-	}
-
-	$srcset = '';
-
-	foreach ( $sources as $source ) {
-		$srcset .= str_replace( ' ', '%20', $source['url'] ) . ' ' . $source['value'] . $source['descriptor'] . ', ';
-	}
-
-	return rtrim( $srcset, ', ' );
-}
-
-/**
- * Retrieves the value for an image attachment's 'sizes' attribute.
- *
- * @since 4.4.0
- *
- * @see wp_calculate_image_sizes()
- *
- * @param int          $attachment_id Image attachment ID.
- * @param array|string $size          Optional. Image size. Accepts any valid image size, or an array of width
- *                                    and height values in pixels (in that order). Default 'medium'.
- * @param array        $image_meta    Optional. The image meta data as returned by 'wp_get_attachment_metadata()'.
- *                                    Default null.
- * @return string|bool A valid source size value for use in a 'sizes' attribute or false.
- */
-function wp_get_attachment_image_sizes( $attachment_id, $size = 'medium', $image_meta = null ) {
-	$image = wp_get_attachment_image_src( $attachment_id, $size );
-
-	if ( ! $image ) {
-		return false;
-	}
-
-	if ( ! is_array( $image_meta ) ) {
-		$image_meta = wp_get_attachment_metadata( $attachment_id );
-	}
-
-	$image_src  = $image[0];
-	$size_array = array(
-		absint( $image[1] ),
-		absint( $image[2] ),
-	);
-
-	return wp_calculate_image_sizes( $size_array, $image_src, $image_meta, $attachment_id );
-}
-
-/**
- * Creates a 'sizes' attribute value for an image.
- *
- * @since 4.4.0
- *
- * @param array|string $size          Image size to retrieve. Accepts any valid image size, or an array
- *                                    of width and height values in pixels (in that order). Default 'medium'.
- * @param string       $image_src     Optional. The URL to the image file. Default null.
- * @param array        $image_meta    Optional. The image meta data as returned by 'wp_get_attachment_metadata()'.
- *                                    Default null.
- * @param int          $attachment_id Optional. Image attachment ID. Either `$image_meta` or `$attachment_id`
- *                                    is needed when using the image size name as argument for `$size`. Default 0.
- * @return string|bool A valid source size value for use in a 'sizes' attribute or false.
- */
-function wp_calculate_image_sizes( $size, $image_src = null, $image_meta = null, $attachment_id = 0 ) {
-	$width = 0;
-
-	if ( is_array( $size ) ) {
-		$width = absint( $size[0] );
-	} elseif ( is_string( $size ) ) {
-		if ( ! $image_meta && $attachment_id ) {
-			$image_meta = wp_get_attachment_metadata( $attachment_id );
-		}
-
-		if ( is_array( $image_meta ) ) {
-			$size_array = _wp_get_image_size_from_meta( $size, $image_meta );
-			if ( $size_array ) {
-				$width = absint( $size_array[0] );
-			}
-		}
-	}
-
-	if ( ! $width ) {
-		return false;
-	}
-
-	// Setup the default 'sizes' attribute.
-	$sizes = sprintf( '(max-width: %1$dpx) 100vw, %1$dpx', $width );
-
-	/**
-	 * Filters the output of 'wp_calculate_image_sizes()'.
-	 *
-	 * @since 4.4.0
-	 *
-	 * @param string       $sizes         A source size value for use in a 'sizes' attribute.
-	 * @param array|string $size          Requested size. Image size or array of width and height values
-	 *                                    in pixels (in that order).
-	 * @param string|null  $image_src     The URL to the image file or null.
-	 * @param array|null   $image_meta    The image meta data as returned by wp_get_attachment_metadata() or null.
-	 * @param int          $attachment_id Image attachment ID of the original image or 0.
-	 */
-	return apply_filters( 'wp_calculate_image_sizes', $sizes, $size, $image_src, $image_meta, $attachment_id );
-}
-
-/**
- * Filters 'img' elements in post content to add 'srcset' and 'sizes' attributes.
- *
- * @since 4.4.0
- *
- * @see wp_image_add_srcset_and_sizes()
- *
- * @param string $content The raw post content to be filtered.
- * @return string Converted content with 'srcset' and 'sizes' attributes added to images.
- */
-function wp_make_content_images_responsive( $content ) {
-	if ( ! preg_match_all( '/<img [^>]+>/', $content, $matches ) ) {
-		return $content;
-	}
-
-	$selected_images = array();
-	$attachment_ids  = array();
-
-	foreach ( $matches[0] as $image ) {
-		if ( false === strpos( $image, ' srcset=' ) && preg_match( '/wp-image-([0-9]+)/i', $image, $class_id ) ) {
-			$attachment_id = absint( $class_id[1] );
-
-			if ( $attachment_id ) {
-				/*
-				 * If exactly the same image tag is used more than once, overwrite it.
-				 * All identical tags will be replaced later with 'str_replace()'.
-				 */
-				$selected_images[ $image ] = $attachment_id;
-				// Overwrite the ID when the same image is included more than once.
-				$attachment_ids[ $attachment_id ] = true;
-			}
-		}
-	}
-
-	if ( count( $attachment_ids ) > 1 ) {
-		/*
-		 * Warm the object cache with post and meta information for all found
-		 * images to avoid making individual database calls.
-		 */
-		_prime_post_caches( array_keys( $attachment_ids ), false, true );
-	}
-
-	foreach ( $selected_images as $image => $attachment_id ) {
-		$image_meta = wp_get_attachment_metadata( $attachment_id );
-		$content    = str_replace( $image, wp_image_add_srcset_and_sizes( $image, $image_meta, $attachment_id ), $content );
-	}
-
-	return $content;
-}
-
-/**
- * Adds 'srcset' and 'sizes' attributes to an existing 'img' element.
- *
- * @since 4.4.0
- *
- * @see wp_calculate_image_srcset()
- * @see wp_calculate_image_sizes()
- *
- * @param string $image         An HTML 'img' element to be filtered.
- * @param array  $image_meta    The image meta data as returned by 'wp_get_attachment_metadata()'.
- * @param int    $attachment_id Image attachment ID.
- * @return string Converted 'img' element with 'srcset' and 'sizes' attributes added.
- */
-function wp_image_add_srcset_and_sizes( $image, $image_meta, $attachment_id ) {
-	// Ensure the image meta exists.
-	if ( empty( $image_meta['sizes'] ) ) {
-		return $image;
-	}
-
-	$image_src         = preg_match( '/src="([^"]+)"/', $image, $match_src ) ? $match_src[1] : '';
-	list( $image_src ) = explode( '?', $image_src );
-
-	// Return early if we couldn't get the image source.
-	if ( ! $image_src ) {
-		return $image;
-	}
-
-	// Bail early if an image has been inserted and later edited.
-	if ( preg_match( '/-e[0-9]{13}/', $image_meta['file'], $img_edit_hash ) &&
-		strpos( wp_basename( $image_src ), $img_edit_hash[0] ) === false ) {
-
-		return $image;
-	}
-
-	$width  = preg_match( '/ width="([0-9]+)"/', $image, $match_width ) ? (int) $match_width[1] : 0;
-	$height = preg_match( '/ height="([0-9]+)"/', $image, $match_height ) ? (int) $match_height[1] : 0;
-
-	if ( ! $width || ! $height ) {
-		/*
-		 * If attempts to parse the size value failed, attempt to use the image meta data to match
-		 * the image file name from 'src' against the available sizes for an attachment.
-		 */
-		$image_filename = wp_basename( $image_src );
-
-		if ( $image_filename === wp_basename( $image_meta['file'] ) ) {
-			$width  = (int) $image_meta['width'];
-			$height = (int) $image_meta['height'];
-		} else {
-			foreach ( $image_meta['sizes'] as $image_size_data ) {
-				if ( $image_filename === $image_size_data['file'] ) {
-					$width  = (int) $image_size_data['width'];
-					$height = (int) $image_size_data['height'];
-					break;
-				}
-			}
-		}
-	}
-
-	if ( ! $width || ! $height ) {
-		return $image;
-	}
-
-	$size_array = array( $width, $height );
-	$srcset     = wp_calculate_image_srcset( $size_array, $image_src, $image_meta, $attachment_id );
-
-	if ( $srcset ) {
-		// Check if there is already a 'sizes' attribute.
-		$sizes = strpos( $image, ' sizes=' );
-
-		if ( ! $sizes ) {
-			$sizes = wp_calculate_image_sizes( $size_array, $image_src, $image_meta, $attachment_id );
-		}
-	}
-
-	if ( $srcset && $sizes ) {
-		// Format the 'srcset' and 'sizes' string and escape attributes.
-		$attr = sprintf( ' srcset="%s"', esc_attr( $srcset ) );
-
-		if ( is_string( $sizes ) ) {
-			$attr .= sprintf( ' sizes="%s"', esc_attr( $sizes ) );
-		}
-
-		// Add 'srcset' and 'sizes' attributes to the image markup.
-		$image = preg_replace( '/<img ([^>]+?)[\/ ]*>/', '<img $1' . $attr . ' />', $image );
-	}
-
-	return $image;
-}
-
-/**
- * Adds a 'wp-post-image' class to post thumbnails. Internal use only.
- *
- * Uses the {@see 'begin_fetch_post_thumbnail_html'} and {@see 'end_fetch_post_thumbnail_html'}
- * action hooks to dynamically add/remove itself so as to only filter post thumbnails.
- *
- * @ignore
- * @since 2.9.0
- *
- * @param array $attr Thumbnail attributes including src, class, alt, title.
- * @return array Modified array of attributes including the new 'wp-post-image' class.
- */
-function _wp_post_thumbnail_class_filter( $attr ) {
-	$attr['class'] .= ' wp-post-image';
-	return $attr;
-}
-
-/**
- * Adds '_wp_post_thumbnail_class_filter' callback to the 'wp_get_attachment_image_attributes'
- * filter hook. Internal use only.
- *
- * @ignore
- * @since 2.9.0
- *
- * @param array $attr Thumbnail attributes including src, class, alt, title.
- */
-function _wp_post_thumbnail_class_filter_add( $attr ) {
-	add_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
-}
-
-/**
- * Removes the '_wp_post_thumbnail_class_filter' callback from the 'wp_get_attachment_image_attributes'
- * filter hook. Internal use only.
- *
- * @ignore
- * @since 2.9.0
- *
- * @param array $attr Thumbnail attributes including src, class, alt, title.
- */
-function _wp_post_thumbnail_class_filter_remove( $attr ) {
-	remove_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
-}
-
-add_shortcode( 'wp_caption', 'img_caption_shortcode' );
-add_shortcode( 'caption', 'img_caption_shortcode' );
-
-/**
- * Builds the Caption shortcode output.
- *
- * Allows a plugin to replace the content that would otherwise be returned. The
- * filter is {@see 'img_caption_shortcode'} and passes an empty string, the attr
- * parameter and the content parameter values.
- *
- * The supported attributes for the shortcode are 'id', 'caption_id', 'align',
- * 'width', 'caption', and 'class'.
- *
- * @since 2.6.0
- * @since 3.9.0 The `class` attribute was added.
- * @since 5.1.0 The `caption_id` attribute was added.
- *
- * @param array  $attr {
- *     Attributes of the caption shortcode.
- *
- *     @type string $id         ID of the image and caption container element, i.e. `<figure>` or `<div>`.
- *     @type string $caption_id ID of the caption element, i.e. `<figcaption>` or `<p>`.
- *     @type string $align      Class name that aligns the caption. Default 'alignnone'. Accepts 'alignleft',
- *                              'aligncenter', alignright', 'alignnone'.
- *     @type int    $width      The width of the caption, in pixels.
- *     @type string $caption    The caption text.
- *     @type string $class      Additional class name(s) added to the caption container.
- * }
- * @param string $content Shortcode content.
- * @return string HTML content to display the caption.
- */
-function img_caption_shortcode( $attr, $content = null ) {
-	// New-style shortcode with the caption inside the shortcode with the link and image tags.
-	if ( ! isset( $attr['caption'] ) ) {
-		if ( preg_match( '#((?:<a [^>]+>\s*)?<img [^>]+>(?:\s*</a>)?)(.*)#is', $content, $matches ) ) {
-			$content         = $matches[1];
-			$attr['caption'] = trim( $matches[2] );
-		}
-	} elseif ( strpos( $attr['caption'], '<' ) !== false ) {
-		$attr['caption'] = wp_kses( $attr['caption'], 'post' );
-	}
-
-	/**
-	 * Filters the default caption shortcode output.
-	 *
-	 * If the filtered output isn't empty, it will be used instead of generating
-	 * the default caption template.
-	 *
-	 * @since 2.6.0
-	 *
-	 * @see img_caption_shortcode()
-	 *
-	 * @param string $output  The caption output. Default empty.
-	 * @param array  $attr    Attributes of the caption shortcode.
-	 * @param string $content The image element, possibly wrapped in a hyperlink.
-	 */
-	$output = apply_filters( 'img_caption_shortcode', '', $attr, $content );
-
-	if ( ! empty( $output ) ) {
-		return $output;
-	}
-
-	$atts = shortcode_atts(
-		array(
-			'id'         => '',
-			'caption_id' => '',
-			'align'      => 'alignnone',
-			'width'      => '',
-			'caption'    => '',
-			'class'      => '',
-		),
-		$attr,
-		'caption'
-	);
-
-	$atts['width'] = (int) $atts['width'];
-
-	if ( $atts['width'] < 1 || empty( $atts['caption'] ) ) {
-		return $content;
-	}
-
-	$id          = '';
-	$caption_id  = '';
-	$describedby = '';
-
-	if ( $atts['id'] ) {
-		$atts['id'] = sanitize_html_class( $atts['id'] );
-		$id         = 'id="' . esc_attr( $atts['id'] ) . '" ';
-	}
-
-	if ( $atts['caption_id'] ) {
-		$atts['caption_id'] = sanitize_html_class( $atts['caption_id'] );
-	} elseif ( $atts['id'] ) {
-		$atts['caption_id'] = 'caption-' . str_replace( '_', '-', $atts['id'] );
-	}
-
-	if ( $atts['caption_id'] ) {
-		$caption_id  = 'id="' . esc_attr( $atts['caption_id'] ) . '" ';
-		$describedby = 'aria-describedby="' . esc_attr( $atts['caption_id'] ) . '" ';
-	}
-
-	$class = trim( 'wp-caption ' . $atts['align'] . ' ' . $atts['class'] );
-
-	$html5 = current_theme_supports( 'html5', 'caption' );
-	// HTML5 captions never added the extra 10px to the image width
-	$width = $html5 ? $atts['width'] : ( 10 + $atts['width'] );
-
-	/**
-	 * Filters the width of an image's caption.
-	 *
-	 * By default, the caption is 10 pixels greater than the width of the image,
-	 * to prevent post content from running up against a floated image.
-	 *
-	 * @since 3.7.0
-	 *
-	 * @see img_caption_shortcode()
-	 *
-	 * @param int    $width    Width of the caption in pixels. To remove this inline style,
-	 *                         return zero.
-	 * @param array  $atts     Attributes of the caption shortcode.
-	 * @param string $content  The image element, possibly wrapped in a hyperlink.
-	 */
-	$caption_width = apply_filters( 'img_caption_shortcode_width', $width, $atts, $content );
-
-	$style = '';
-
-	if ( $caption_width ) {
-		$style = 'style="width: ' . (int) $caption_width . 'px" ';
-	}
-
-	if ( $html5 ) {
-		$html = sprintf(
-			'<figure %s%s%sclass="%s">%s%s</figure>',
-			$id,
-			$describedby,
-			$style,
-			esc_attr( $class ),
-			do_shortcode( $content ),
-			sprintf(
-				'<figcaption %sclass="wp-caption-text">%s</figcaption>',
-				$caption_id,
-				$atts['caption']
-			)
-		);
-	} else {
-		$html = sprintf(
-			'<div %s%sclass="%s">%s%s</div>',
-			$id,
-			$style,
-			esc_attr( $class ),
-			str_replace( '<img ', '<img ' . $describedby, do_shortcode( $content ) ),
-			sprintf(
-				'<p %sclass="wp-caption-text">%s</p>',
-				$caption_id,
-				$atts['caption']
-			)
-		);
-	}
-
-	return $html;
-}
-
-add_shortcode( 'gallery', 'gallery_shortcode' );
-
-/**
- * Builds the Gallery shortcode output.
- *
- * This implements the functionality of the Gallery Shortcode for displaying
- * WordPress images on a post.
- *
- * @since 2.5.0
- *
- * @staticvar int $instance
- *
- * @param array $attr {
- *     Attributes of the gallery shortcode.
- *
- *     @type string       $order      Order of the images in the gallery. Default 'ASC'. Accepts 'ASC', 'DESC'.
- *     @type string       $orderby    The field to use when ordering the images. Default 'menu_order ID'.
- *                                    Accepts any valid SQL ORDERBY statement.
- *     @type int          $id         Post ID.
- *     @type string       $itemtag    HTML tag to use for each image in the gallery.
- *                                    Default 'dl', or 'figure' when the theme registers HTML5 gallery support.
- *     @type string       $icontag    HTML tag to use for each image's icon.
- *                                    Default 'dt', or 'div' when the theme registers HTML5 gallery support.
- *     @type string       $captiontag HTML tag to use for each image's caption.
- *                                    Default 'dd', or 'figcaption' when the theme registers HTML5 gallery support.
- *     @type int          $columns    Number of columns of images to display. Default 3.
- *     @type string|array $size       Size of the images to display. Accepts any valid image size, or an array of width
- *                                    and height values in pixels (in that order). Default 'thumbnail'.
- *     @type string       $ids        A comma-separated list of IDs of attachments to display. Default empty.
- *     @type string       $include    A comma-separated list of IDs of attachments to include. Default empty.
- *     @type string       $exclude    A comma-separated list of IDs of attachments to exclude. Default empty.
- *     @type string       $link       What to link each image to. Default empty (links to the attachment page).
- *                                    Accepts 'file', 'none'.
- * }
- * @return string HTML content to display gallery.
- */
-function gallery_shortcode( $attr ) {
-	$post = get_post();
-
-	static $instance = 0;
-	$instance++;
-
-	if ( ! empty( $attr['ids'] ) ) {
-		// 'ids' is explicitly ordered, unless you specify otherwise.
-		if ( empty( $attr['orderby'] ) ) {
-			$attr['orderby'] = 'post__in';
-		}
-		$attr['include'] = $attr['ids'];
-	}
-
-	/**
-	 * Filters the default gallery shortcode output.
-	 *
-	 * If the filtered output isn't empty, it will be used instead of generating
-	 * the default gallery template.
-	 *
-	 * @since 2.5.0
-	 * @since 4.2.0 The `$instance` parameter was added.
-	 *
-	 * @see gallery_shortcode()
-	 *
-	 * @param string $output   The gallery output. Default empty.
-	 * @param array  $attr     Attributes of the gallery shortcode.
-	 * @param int    $instance Unique numeric ID of this gallery shortcode instance.
-	 */
-	$output = apply_filters( 'post_gallery', '', $attr, $instance );
-
-	if ( ! empty( $output ) ) {
-		return $output;
-	}
-
-	$html5 = current_theme_supports( 'html5', 'gallery' );
-	$atts  = shortcode_atts(
-		array(
-			'order'      => 'ASC',
-			'orderby'    => 'menu_order ID',
-			'id'         => $post ? $post->ID : 0,
-			'itemtag'    => $html5 ? 'figure' : 'dl',
-			'icontag'    => $html5 ? 'div' : 'dt',
-			'captiontag' => $html5 ? 'figcaption' : 'dd',
-			'columns'    => 3,
-			'size'       => 'thumbnail',
-			'include'    => '',
-			'exclude'    => '',
-			'link'       => '',
-		),
-		$attr,
-		'gallery'
-	);
-
-	$id = intval( $atts['id'] );
-
-	if ( ! empty( $atts['include'] ) ) {
-		$_attachments = get_posts(
-			array(
-				'include'        => $atts['include'],
-				'post_status'    => 'inherit',
-				'post_type'      => 'attachment',
-				'post_mime_type' => 'image',
-				'order'          => $atts['order'],
-				'orderby'        => $atts['orderby'],
-			)
-		);
-
-		$attachments = array();
-		foreach ( $_attachments as $key => $val ) {
-			$attachments[ $val->ID ] = $_attachments[ $key ];
-		}
-	} elseif ( ! empty( $atts['exclude'] ) ) {
-		$attachments = get_children(
-			array(
-				'post_parent'    => $id,
-				'exclude'        => $atts['exclude'],
-				'post_status'    => 'inherit',
-				'post_type'      => 'attachment',
-				'post_mime_type' => 'image',
-				'order'          => $atts['order'],
-				'orderby'        => $atts['orderby'],
-			)
-		);
-	} else {
-		$attachments = get_children(
-			array(
-				'post_parent'    => $id,
-				'post_status'    => 'inherit',
-				'post_type'      => 'attachment',
-				'post_mime_type' => 'image',
-				'order'          => $atts['order'],
-				'orderby'        => $atts['orderby'],
-			)
-		);
-	}
-
-	if ( empty( $attachments ) ) {
-		return '';
-	}
-
-	if ( is_feed() ) {
-		$output = "\n";
-		foreach ( $attachments as $att_id => $attachment ) {
-			$output .= wp_get_attachment_link( $att_id, $atts['size'], true ) . "\n";
-		}
-		return $output;
-	}
-
-	$itemtag    = tag_escape( $atts['itemtag'] );
-	$captiontag = tag_escape( $atts['captiontag'] );
-	$icontag    = tag_escape( $atts['icontag'] );
-	$valid_tags = wp_kses_allowed_html( 'post' );
-	if ( ! isset( $valid_tags[ $itemtag ] ) ) {
-		$itemtag = 'dl';
-	}
-	if ( ! isset( $valid_tags[ $captiontag ] ) ) {
-		$captiontag = 'dd';
-	}
-	if ( ! isset( $valid_tags[ $icontag ] ) ) {
-		$icontag = 'dt';
-	}
-
-	$columns   = intval( $atts['columns'] );
-	$itemwidth = $columns > 0 ? floor( 100 / $columns ) : 100;
-	$float     = is_rtl() ? 'right' : 'left';
-
-	$selector = "gallery-{$instance}";
-
-	$gallery_style = '';
-
-	/**
-	 * Filters whether to print default gallery styles.
-	 *
-	 * @since 3.1.0
-	 *
-	 * @param bool $print Whether to print default gallery styles.
-	 *                    Defaults to false if the theme supports HTML5 galleries.
-	 *                    Otherwise, defaults to true.
-	 */
-	if ( apply_filters( 'use_default_gallery_style', ! $html5 ) ) {
-		$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';
-
-		$gallery_style = "
-		<style{$type_attr}>
-			#{$selector} {
-				margin: auto;
-			}
-			#{$selector} .gallery-item {
-				float: {$float};
-				margin-top: 10px;
-				text-align: center;
-				width: {$itemwidth}%;
-			}
-			#{$selector} img {
-				border: 2px solid #cfcfcf;
-			}
-			#{$selector} .gallery-caption {
-				margin-left: 0;
-			}
-			/* see gallery_shortcode() in wp-includes/media.php */
-		</style>\n\t\t";
-	}
-
-	$size_class  = sanitize_html_class( $atts['size'] );
-	$gallery_div = "<div id='$selector' class='gallery galleryid-{$id} gallery-columns-{$columns} gallery-size-{$size_class}'>";
-
-	/**
-	 * Filters the default gallery shortcode CSS styles.
-	 *
-	 * @since 2.5.0
-	 *
-	 * @param string $gallery_style Default CSS styles and opening HTML div container
-	 *                              for the gallery shortcode output.
-	 */
-	$output = apply_filters( 'gallery_style', $gallery_style . $gallery_div );
-
-	$i = 0;
-
-	foreach ( $attachments as $id => $attachment ) {
-
-		$attr = ( trim( $attachment->post_excerpt ) ) ? array( 'aria-describedby' => "$selector-$id" ) : '';
-
-		if ( ! empty( $atts['link'] ) && 'file' === $atts['link'] ) {
-			$image_output = wp_get_attachment_link( $id, $atts['size'], false, false, false, $attr );
-		} elseif ( ! empty( $atts['link'] ) && 'none' === $atts['link'] ) {
-			$image_output = wp_get_attachment_image( $id, $atts['size'], false, $attr );
-		} else {
-			$image_output = wp_get_attachment_link( $id, $atts['size'], true, false, false, $attr );
-		}
-
-		$image_meta = wp_get_attachment_metadata( $id );
-
-		$orientation = '';
-
-		if ( isset( $image_meta['height'], $image_meta['width'] ) ) {
-			$orientation = ( $image_meta['height'] > $image_meta['width'] ) ? 'portrait' : 'landscape';
-		}
-
-		$output .= "<{$itemtag} class='gallery-item'>";
-		$output .= "
-			<{$icontag} class='gallery-icon {$orientation}'>
-				$image_output
-			</{$icontag}>";
-
-		if ( $captiontag && trim( $attachment->post_excerpt ) ) {
-			$output .= "
-				<{$captiontag} class='wp-caption-text gallery-caption' id='$selector-$id'>
-				" . wptexturize( $attachment->post_excerpt ) . "
-				</{$captiontag}>";
-		}
-
-		$output .= "</{$itemtag}>";
-
-		if ( ! $html5 && $columns > 0 && ++$i % $columns === 0 ) {
-			$output .= '<br style="clear: both" />';
-		}
-	}
-
-	if ( ! $html5 && $columns > 0 && $i % $columns !== 0 ) {
-		$output .= "
-			<br style='clear: both' />";
-	}
-
-	$output .= "
-		</div>\n";
-
-	return $output;
-}
-
-/**
- * Outputs the templates used by playlists.
- *
- * @since 3.9.0
- */
-function wp_underscore_playlist_templates() {
-	?>
-<script type="text/html" id="tmpl-wp-playlist-current-item">
-	<# if ( data.image ) { #>
-	<img src="{{ data.thumb.src }}" alt="" />
-	<# } #>
-	<div class="wp-playlist-caption">
-		<span class="wp-playlist-item-meta wp-playlist-item-title">
-		<?php
-			/* translators: %s: Playlist item title. */
-			printf( _x( '&#8220;%s&#8221;', 'playlist item title' ), '{{ data.title }}' );
-		?>
-		</span>
-		<# if ( data.meta.album ) { #><span class="wp-playlist-item-meta wp-playlist-item-album">{{ data.meta.album }}</span><# } #>
-		<# if ( data.meta.artist ) { #><span class="wp-playlist-item-meta wp-playlist-item-artist">{{ data.meta.artist }}</span><# } #>
-	</div>
-</script>
-<script type="text/html" id="tmpl-wp-playlist-item">
-	<div class="wp-playlist-item">
-		<a class="wp-playlist-caption" href="{{ data.src }}">
-			{{ data.index ? ( data.index + '. ' ) : '' }}
-			<# if ( data.caption ) { #>
-				{{ data.caption }}
-			<# } else { #>
-				<span class="wp-playlist-item-title">
-				<?php
-					/* translators: %s: Playlist item title. */
-					printf( _x( '&#8220;%s&#8221;', 'playlist item title' ), '{{{ data.title }}}' );
-				?>
-				</span>
-				<# if ( data.artists && data.meta.artist ) { #>
-				<span class="wp-playlist-item-artist"> &mdash; {{ data.meta.artist }}</span>
-				<# } #>
-			<# } #>
-		</a>
-		<# if ( data.meta.length_formatted ) { #>
-		<div class="wp-playlist-item-length">{{ data.meta.length_formatted }}</div>
-		<# } #>
-	</div>
-</script>
-	<?php
-}
-
-/**
- * Outputs and enqueue default scripts and styles for playlists.
- *
- * @since 3.9.0
- *
- * @param string $type Type of playlist. Accepts 'audio' or 'video'.
- */
-function wp_playlist_scripts( $type ) {
-	wp_enqueue_style( 'wp-mediaelement' );
-	wp_enqueue_script( 'wp-playlist' );
-	?>
-<!--[if lt IE 9]><script>document.createElement('<?php echo esc_js( $type ); ?>');</script><![endif]-->
-	<?php
-	add_action( 'wp_footer', 'wp_underscore_playlist_templates', 0 );
-	add_action( 'admin_footer', 'wp_underscore_playlist_templates', 0 );
-}
-
-/**
- * Builds the Playlist shortcode output.
- *
- * This implements the functionality of the playlist shortcode for displaying
- * a collection of WordPress audio or video files in a post.
- *
- * @since 3.9.0
- *
- * @global int $content_width
- * @staticvar int $instance
- *
- * @param array $attr {
- *     Array of default playlist attributes.
- *
- *     @type string  $type         Type of playlist to display. Accepts 'audio' or 'video'. Default 'audio'.
- *     @type string  $order        Designates ascending or descending order of items in the playlist.
- *                                 Accepts 'ASC', 'DESC'. Default 'ASC'.
- *     @type string  $orderby      Any column, or columns, to sort the playlist. If $ids are
- *                                 passed, this defaults to the order of the $ids array ('post__in').
- *                                 Otherwise default is 'menu_order ID'.
- *     @type int     $id           If an explicit $ids array is not present, this parameter
- *                                 will determine which attachments are used for the playlist.
- *                                 Default is the current post ID.
- *     @type array   $ids          Create a playlist out of these explicit attachment IDs. If empty,
- *                                 a playlist will be created from all $type attachments of $id.
- *                                 Default empty.
- *     @type array   $exclude      List of specific attachment IDs to exclude from the playlist. Default empty.
- *     @type string  $style        Playlist style to use. Accepts 'light' or 'dark'. Default 'light'.
- *     @type bool    $tracklist    Whether to show or hide the playlist. Default true.
- *     @type bool    $tracknumbers Whether to show or hide the numbers next to entries in the playlist. Default true.
- *     @type bool    $images       Show or hide the video or audio thumbnail (Featured Image/post
- *                                 thumbnail). Default true.
- *     @type bool    $artists      Whether to show or hide artist name in the playlist. Default true.
- * }
- *
- * @return string Playlist output. Empty string if the passed type is unsupported.
- */
-function wp_playlist_shortcode( $attr ) {
-	global $content_width;
-	$post = get_post();
-
-	static $instance = 0;
-	$instance++;
-
-	if ( ! empty( $attr['ids'] ) ) {
-		// 'ids' is explicitly ordered, unless you specify otherwise.
-		if ( empty( $attr['orderby'] ) ) {
-			$attr['orderby'] = 'post__in';
-		}
-		$attr['include'] = $attr['ids'];
-	}
-
-	/**
-	 * Filters the playlist output.
-	 *
-	 * Passing a non-empty value to the filter will short-circuit generation
-	 * of the default playlist output, returning the passed value instead.
-	 *
-	 * @since 3.9.0
-	 * @since 4.2.0 The `$instance` parameter was added.
-	 *
-	 * @param string $output   Playlist output. Default empty.
-	 * @param array  $attr     An array of shortcode attributes.
-	 * @param int    $instance Unique numeric ID of this playlist shortcode instance.
-	 */
-	$output = apply_filters( 'post_playlist', '', $attr, $instance );
-
-	if ( ! empty( $output ) ) {
-		return $output;
-	}
-
-	$atts = shortcode_atts(
-		array(
-			'type'         => 'audio',
-			'order'        => 'ASC',
-			'orderby'      => 'menu_order ID',
-			'id'           => $post ? $post->ID : 0,
-			'include'      => '',
-			'exclude'      => '',
-			'style'        => 'light',
-			'tracklist'    => true,
-			'tracknumbers' => true,
-			'images'       => true,
-			'artists'      => true,
-		),
-		$attr,
-		'playlist'
-	);
-
-	$id = intval( $atts['id'] );
-
-	if ( $atts['type'] !== 'audio' ) {
-		$atts['type'] = 'video';
-	}
-
-	$args = array(
-		'post_status'    => 'inherit',
-		'post_type'      => 'attachment',
-		'post_mime_type' => $atts['type'],
-		'order'          => $atts['order'],
-		'orderby'        => $atts['orderby'],
-	);
-
-	if ( ! empty( $atts['include'] ) ) {
-		$args['include'] = $atts['include'];
-		$_attachments    = get_posts( $args );
-
-		$attachments = array();
-		foreach ( $_attachments as $key => $val ) {
-			$attachments[ $val->ID ] = $_attachments[ $key ];
-		}
-	} elseif ( ! empty( $atts['exclude'] ) ) {
-		$args['post_parent'] = $id;
-		$args['exclude']     = $atts['exclude'];
-		$attachments         = get_children( $args );
-	} else {
-		$args['post_parent'] = $id;
-		$attachments         = get_children( $args );
-	}
-
-	if ( empty( $attachments ) ) {
-		return '';
-	}
-
-	if ( is_feed() ) {
-		$output = "\n";
-		foreach ( $attachments as $att_id => $attachment ) {
-			$output .= wp_get_attachment_link( $att_id ) . "\n";
-		}
-		return $output;
-	}
-
-	$outer = 22; // default padding and border of wrapper
-
-	$default_width  = 640;
-	$default_height = 360;
-
-	$theme_width  = empty( $content_width ) ? $default_width : ( $content_width - $outer );
-	$theme_height = empty( $content_width ) ? $default_height : round( ( $default_height * $theme_width ) / $default_width );
-
-	$data = array(
-		'type'         => $atts['type'],
-		// don't pass strings to JSON, will be truthy in JS
-		'tracklist'    => wp_validate_boolean( $atts['tracklist'] ),
-		'tracknumbers' => wp_validate_boolean( $atts['tracknumbers'] ),
-		'images'       => wp_validate_boolean( $atts['images'] ),
-		'artists'      => wp_validate_boolean( $atts['artists'] ),
-	);
-
-	$tracks = array();
-	foreach ( $attachments as $attachment ) {
-		$url   = wp_get_attachment_url( $attachment->ID );
-		$ftype = wp_check_filetype( $url, wp_get_mime_types() );
-		$track = array(
-			'src'         => $url,
-			'type'        => $ftype['type'],
-			'title'       => $attachment->post_title,
-			'caption'     => $attachment->post_excerpt,
-			'description' => $attachment->post_content,
-		);
-
-		$track['meta'] = array();
-		$meta          = wp_get_attachment_metadata( $attachment->ID );
-		if ( ! empty( $meta ) ) {
-
-			foreach ( wp_get_attachment_id3_keys( $attachment ) as $key => $label ) {
-				if ( ! empty( $meta[ $key ] ) ) {
-					$track['meta'][ $key ] = $meta[ $key ];
-				}
-			}
-
-			if ( 'video' === $atts['type'] ) {
-				if ( ! empty( $meta['width'] ) && ! empty( $meta['height'] ) ) {
-					$width        = $meta['width'];
-					$height       = $meta['height'];
-					$theme_height = round( ( $height * $theme_width ) / $width );
-				} else {
-					$width  = $default_width;
-					$height = $default_height;
-				}
-
-				$track['dimensions'] = array(
-					'original' => compact( 'width', 'height' ),
-					'resized'  => array(
-						'width'  => $theme_width,
-						'height' => $theme_height,
-					),
-				);
-			}
-		}
-
-		if ( $atts['images'] ) {
-			$thumb_id = get_post_thumbnail_id( $attachment->ID );
-			if ( ! empty( $thumb_id ) ) {
-				list( $src, $width, $height ) = wp_get_attachment_image_src( $thumb_id, 'full' );
-				$track['image']               = compact( 'src', 'width', 'height' );
-				list( $src, $width, $height ) = wp_get_attachment_image_src( $thumb_id, 'thumbnail' );
-				$track['thumb']               = compact( 'src', 'width', 'height' );
-			} else {
-				$src            = wp_mime_type_icon( $attachment->ID );
-				$width          = 48;
-				$height         = 64;
-				$track['image'] = compact( 'src', 'width', 'height' );
-				$track['thumb'] = compact( 'src', 'width', 'height' );
-			}
-		}
-
-		$tracks[] = $track;
-	}
-	$data['tracks'] = $tracks;
-
-	$safe_type  = esc_attr( $atts['type'] );
-	$safe_style = esc_attr( $atts['style'] );
-
-	ob_start();
-
-	if ( 1 === $instance ) {
-		/**
-		 * Prints and enqueues playlist scripts, styles, and JavaScript templates.
-		 *
-		 * @since 3.9.0
-		 *
-		 * @param string $type  Type of playlist. Possible values are 'audio' or 'video'.
-		 * @param string $style The 'theme' for the playlist. Core provides 'light' and 'dark'.
-		 */
-		do_action( 'wp_playlist_scripts', $atts['type'], $atts['style'] );
-	}
-	?>
-<div class="wp-playlist wp-<?php echo $safe_type; ?>-playlist wp-playlist-<?php echo $safe_style; ?>">
-	<?php if ( 'audio' === $atts['type'] ) : ?>
-	<div class="wp-playlist-current-item"></div>
-	<?php endif ?>
-	<<?php echo $safe_type; ?> controls="controls" preload="none" width="
-				<?php
-				echo (int) $theme_width;
-				?>
-	"
-	<?php
-	if ( 'video' === $safe_type ) :
-		echo ' height="', (int) $theme_height, '"';
-	endif;
-	?>
-	></<?php echo $safe_type; ?>>
-	<div class="wp-playlist-next"></div>
-	<div class="wp-playlist-prev"></div>
-	<noscript>
-	<ol>
-	<?php
-	foreach ( $attachments as $att_id => $attachment ) {
-		printf( '<li>%s</li>', wp_get_attachment_link( $att_id ) );
-	}
-	?>
-	</ol>
-	</noscript>
-	<script type="application/json" class="wp-playlist-script"><?php echo wp_json_encode( $data ); ?></script>
-</div>
-	<?php
-	return ob_get_clean();
-}
-add_shortcode( 'playlist', 'wp_playlist_shortcode' );
-
-/**
- * Provides a No-JS Flash fallback as a last resort for audio / video.
- *
- * @since 3.6.0
- *
- * @param string $url The media element URL.
- * @return string Fallback HTML.
- */
-function wp_mediaelement_fallback( $url ) {
-	/**
-	 * Filters the Mediaelement fallback output for no-JS.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param string $output Fallback output for no-JS.
-	 * @param string $url    Media file URL.
-	 */
-	return apply_filters( 'wp_mediaelement_fallback', sprintf( '<a href="%1$s">%1$s</a>', esc_url( $url ) ), $url );
-}
-
-/**
- * Returns a filtered list of WP-supported audio formats.
- *
- * @since 3.6.0
- *
- * @return array Supported audio formats.
- */
-function wp_get_audio_extensions() {
-	/**
-	 * Filters the list of supported audio formats.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param array $extensions An array of supported audio formats. Defaults are
-	 *                          'mp3', 'ogg', 'flac', 'm4a', 'wav'.
-	 */
-	return apply_filters( 'wp_audio_extensions', array( 'mp3', 'ogg', 'flac', 'm4a', 'wav' ) );
-}
-
-/**
- * Returns useful keys to use to lookup data from an attachment's stored metadata.
- *
- * @since 3.9.0
- *
- * @param WP_Post $attachment The current attachment, provided for context.
- * @param string  $context    Optional. The context. Accepts 'edit', 'display'. Default 'display'.
- * @return array Key/value pairs of field keys to labels.
- */
-function wp_get_attachment_id3_keys( $attachment, $context = 'display' ) {
-	$fields = array(
-		'artist' => __( 'Artist' ),
-		'album'  => __( 'Album' ),
-	);
-
-	if ( 'display' === $context ) {
-		$fields['genre']            = __( 'Genre' );
-		$fields['year']             = __( 'Year' );
-		$fields['length_formatted'] = _x( 'Length', 'video or audio' );
-	} elseif ( 'js' === $context ) {
-		$fields['bitrate']      = __( 'Bitrate' );
-		$fields['bitrate_mode'] = __( 'Bitrate Mode' );
-	}
-
-	/**
-	 * Filters the editable list of keys to look up data from an attachment's metadata.
-	 *
-	 * @since 3.9.0
-	 *
-	 * @param array   $fields     Key/value pairs of field keys to labels.
-	 * @param WP_Post $attachment Attachment object.
-	 * @param string  $context    The context. Accepts 'edit', 'display'. Default 'display'.
-	 */
-	return apply_filters( 'wp_get_attachment_id3_keys', $fields, $attachment, $context );
-}
-/**
- * Builds the Audio shortcode output.
- *
- * This implements the functionality of the Audio Shortcode for displaying
- * WordPress mp3s in a post.
- *
- * @since 3.6.0
- *
- * @staticvar int $instance
- *
- * @param array  $attr {
- *     Attributes of the audio shortcode.
- *
- *     @type string $src      URL to the source of the audio file. Default empty.
- *     @type string $loop     The 'loop' attribute for the `<audio>` element. Default empty.
- *     @type string $autoplay The 'autoplay' attribute for the `<audio>` element. Default empty.
- *     @type string $preload  The 'preload' attribute for the `<audio>` element. Default 'none'.
- *     @type string $class    The 'class' attribute for the `<audio>` element. Default 'wp-audio-shortcode'.
- *     @type string $style    The 'style' attribute for the `<audio>` element. Default 'width: 100%;'.
- * }
- * @param string $content Shortcode content.
- * @return string|void HTML content to display audio.
- */
-function wp_audio_shortcode( $attr, $content = '' ) {
-	$post_id = get_post() ? get_the_ID() : 0;
-
-	static $instance = 0;
-	$instance++;
-
-	/**
-	 * Filters the default audio shortcode output.
-	 *
-	 * If the filtered output isn't empty, it will be used instead of generating the default audio template.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param string $html     Empty variable to be replaced with shortcode markup.
-	 * @param array  $attr     Attributes of the shortcode. @see wp_audio_shortcode()
-	 * @param string $content  Shortcode content.
-	 * @param int    $instance Unique numeric ID of this audio shortcode instance.
-	 */
-	$override = apply_filters( 'wp_audio_shortcode_override', '', $attr, $content, $instance );
-
-	if ( '' !== $override ) {
-		return $override;
-	}
-
-	$audio = null;
-
-	$default_types = wp_get_audio_extensions();
-	$defaults_atts = array(
-		'src'      => '',
-		'loop'     => '',
-		'autoplay' => '',
-		'preload'  => 'none',
-		'class'    => 'wp-audio-shortcode',
-		'style'    => 'width: 100%;',
-	);
-	foreach ( $default_types as $type ) {
-		$defaults_atts[ $type ] = '';
-	}
-
-	$atts = shortcode_atts( $defaults_atts, $attr, 'audio' );
-
-	$primary = false;
-	if ( ! empty( $atts['src'] ) ) {
-		$type = wp_check_filetype( $atts['src'], wp_get_mime_types() );
-
-		if ( ! in_array( strtolower( $type['ext'] ), $default_types, true ) ) {
-			return sprintf( '<a class="wp-embedded-audio" href="%s">%s</a>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
-		}
-
-		$primary = true;
-		array_unshift( $default_types, 'src' );
-	} else {
-		foreach ( $default_types as $ext ) {
-			if ( ! empty( $atts[ $ext ] ) ) {
-				$type = wp_check_filetype( $atts[ $ext ], wp_get_mime_types() );
-
-				if ( strtolower( $type['ext'] ) === $ext ) {
-					$primary = true;
-				}
-			}
-		}
-	}
-
-	if ( ! $primary ) {
-		$audios = get_attached_media( 'audio', $post_id );
-
-		if ( empty( $audios ) ) {
-			return;
-		}
-
-		$audio       = reset( $audios );
-		$atts['src'] = wp_get_attachment_url( $audio->ID );
-
-		if ( empty( $atts['src'] ) ) {
-			return;
-		}
-
-		array_unshift( $default_types, 'src' );
-	}
-
-	/**
-	 * Filters the media library used for the audio shortcode.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param string $library Media library used for the audio shortcode.
-	 */
-	$library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' );
-
-	if ( 'mediaelement' === $library && did_action( 'init' ) ) {
-		wp_enqueue_style( 'wp-mediaelement' );
-		wp_enqueue_script( 'wp-mediaelement' );
-	}
-
-	/**
-	 * Filters the class attribute for the audio shortcode output container.
-	 *
-	 * @since 3.6.0
-	 * @since 4.9.0 The `$atts` parameter was added.
-	 *
-	 * @param string $class CSS class or list of space-separated classes.
-	 * @param array  $atts  Array of audio shortcode attributes.
-	 */
-	$atts['class'] = apply_filters( 'wp_audio_shortcode_class', $atts['class'], $atts );
-
-	$html_atts = array(
-		'class'    => $atts['class'],
-		'id'       => sprintf( 'audio-%d-%d', $post_id, $instance ),
-		'loop'     => wp_validate_boolean( $atts['loop'] ),
-		'autoplay' => wp_validate_boolean( $atts['autoplay'] ),
-		'preload'  => $atts['preload'],
-		'style'    => $atts['style'],
-	);
-
-	// These ones should just be omitted altogether if they are blank
-	foreach ( array( 'loop', 'autoplay', 'preload' ) as $a ) {
-		if ( empty( $html_atts[ $a ] ) ) {
-			unset( $html_atts[ $a ] );
-		}
-	}
-
-	$attr_strings = array();
-
-	foreach ( $html_atts as $k => $v ) {
-		$attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
-	}
-
-	$html = '';
-
-	if ( 'mediaelement' === $library && 1 === $instance ) {
-		$html .= "<!--[if lt IE 9]><script>document.createElement('audio');</script><![endif]-->\n";
-	}
-
-	$html .= sprintf( '<audio %s controls="controls">', join( ' ', $attr_strings ) );
-
-	$fileurl = '';
-	$source  = '<source type="%s" src="%s" />';
-
-	foreach ( $default_types as $fallback ) {
-		if ( ! empty( $atts[ $fallback ] ) ) {
-			if ( empty( $fileurl ) ) {
-				$fileurl = $atts[ $fallback ];
-			}
-
-			$type  = wp_check_filetype( $atts[ $fallback ], wp_get_mime_types() );
-			$url   = add_query_arg( '_', $instance, $atts[ $fallback ] );
-			$html .= sprintf( $source, $type['type'], esc_url( $url ) );
-		}
-	}
-
-	if ( 'mediaelement' === $library ) {
-		$html .= wp_mediaelement_fallback( $fileurl );
-	}
-
-	$html .= '</audio>';
-
-	/**
-	 * Filters the audio shortcode output.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param string $html    Audio shortcode HTML output.
-	 * @param array  $atts    Array of audio shortcode attributes.
-	 * @param string $audio   Audio file.
-	 * @param int    $post_id Post ID.
-	 * @param string $library Media library used for the audio shortcode.
-	 */
-	return apply_filters( 'wp_audio_shortcode', $html, $atts, $audio, $post_id, $library );
-}
-add_shortcode( 'audio', 'wp_audio_shortcode' );
-
-/**
- * Returns a filtered list of WP-supported video formats.
- *
- * @since 3.6.0
- *
- * @return array List of supported video formats.
- */
-function wp_get_video_extensions() {
-	/**
-	 * Filters the list of supported video formats.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param array $extensions An array of supported video formats. Defaults are
-	 *                          'mp4', 'm4v', 'webm', 'ogv', 'flv'.
-	 */
-	return apply_filters( 'wp_video_extensions', array( 'mp4', 'm4v', 'webm', 'ogv', 'flv' ) );
-}
-
-/**
- * Builds the Video shortcode output.
- *
- * This implements the functionality of the Video Shortcode for displaying
- * WordPress mp4s in a post.
- *
- * @since 3.6.0
- *
- * @global int $content_width
- * @staticvar int $instance
- *
- * @param array  $attr {
- *     Attributes of the shortcode.
- *
- *     @type string $src      URL to the source of the video file. Default empty.
- *     @type int    $height   Height of the video embed in pixels. Default 360.
- *     @type int    $width    Width of the video embed in pixels. Default $content_width or 640.
- *     @type string $poster   The 'poster' attribute for the `<video>` element. Default empty.
- *     @type string $loop     The 'loop' attribute for the `<video>` element. Default empty.
- *     @type string $autoplay The 'autoplay' attribute for the `<video>` element. Default empty.
- *     @type string $preload  The 'preload' attribute for the `<video>` element.
- *                            Default 'metadata'.
- *     @type string $class    The 'class' attribute for the `<video>` element.
- *                            Default 'wp-video-shortcode'.
- * }
- * @param string $content Shortcode content.
- * @return string|void HTML content to display video.
- */
-function wp_video_shortcode( $attr, $content = '' ) {
-	global $content_width;
-	$post_id = get_post() ? get_the_ID() : 0;
-
-	static $instance = 0;
-	$instance++;
-
-	/**
-	 * Filters the default video shortcode output.
-	 *
-	 * If the filtered output isn't empty, it will be used instead of generating
-	 * the default video template.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @see wp_video_shortcode()
-	 *
-	 * @param string $html     Empty variable to be replaced with shortcode markup.
-	 * @param array  $attr     Attributes of the shortcode. @see wp_video_shortcode()
-	 * @param string $content  Video shortcode content.
-	 * @param int    $instance Unique numeric ID of this video shortcode instance.
-	 */
-	$override = apply_filters( 'wp_video_shortcode_override', '', $attr, $content, $instance );
-
-	if ( '' !== $override ) {
-		return $override;
-	}
-
-	$video = null;
-
-	$default_types = wp_get_video_extensions();
-	$defaults_atts = array(
-		'src'      => '',
-		'poster'   => '',
-		'loop'     => '',
-		'autoplay' => '',
-		'preload'  => 'metadata',
-		'width'    => 640,
-		'height'   => 360,
-		'class'    => 'wp-video-shortcode',
-	);
-
-	foreach ( $default_types as $type ) {
-		$defaults_atts[ $type ] = '';
-	}
-
-	$atts = shortcode_atts( $defaults_atts, $attr, 'video' );
-
-	if ( is_admin() ) {
-		// shrink the video so it isn't huge in the admin
-		if ( $atts['width'] > $defaults_atts['width'] ) {
-			$atts['height'] = round( ( $atts['height'] * $defaults_atts['width'] ) / $atts['width'] );
-			$atts['width']  = $defaults_atts['width'];
-		}
-	} else {
-		// if the video is bigger than the theme
-		if ( ! empty( $content_width ) && $atts['width'] > $content_width ) {
-			$atts['height'] = round( ( $atts['height'] * $content_width ) / $atts['width'] );
-			$atts['width']  = $content_width;
-		}
-	}
-
-	$is_vimeo      = false;
-	$is_youtube    = false;
-	$yt_pattern    = '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#';
-	$vimeo_pattern = '#^https?://(.+\.)?vimeo\.com/.*#';
-
-	$primary = false;
-	if ( ! empty( $atts['src'] ) ) {
-		$is_vimeo   = ( preg_match( $vimeo_pattern, $atts['src'] ) );
-		$is_youtube = ( preg_match( $yt_pattern, $atts['src'] ) );
-
-		if ( ! $is_youtube && ! $is_vimeo ) {
-			$type = wp_check_filetype( $atts['src'], wp_get_mime_types() );
-
-			if ( ! in_array( strtolower( $type['ext'] ), $default_types, true ) ) {
-				return sprintf( '<a class="wp-embedded-video" href="%s">%s</a>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
-			}
-		}
-
-		if ( $is_vimeo ) {
-			wp_enqueue_script( 'mediaelement-vimeo' );
-		}
-
-		$primary = true;
-		array_unshift( $default_types, 'src' );
-	} else {
-		foreach ( $default_types as $ext ) {
-			if ( ! empty( $atts[ $ext ] ) ) {
-				$type = wp_check_filetype( $atts[ $ext ], wp_get_mime_types() );
-				if ( strtolower( $type['ext'] ) === $ext ) {
-					$primary = true;
-				}
-			}
-		}
-	}
-
-	if ( ! $primary ) {
-		$videos = get_attached_media( 'video', $post_id );
-		if ( empty( $videos ) ) {
-			return;
-		}
-
-		$video       = reset( $videos );
-		$atts['src'] = wp_get_attachment_url( $video->ID );
-		if ( empty( $atts['src'] ) ) {
-			return;
-		}
-
-		array_unshift( $default_types, 'src' );
-	}
-
-	/**
-	 * Filters the media library used for the video shortcode.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param string $library Media library used for the video shortcode.
-	 */
-	$library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' );
-	if ( 'mediaelement' === $library && did_action( 'init' ) ) {
-		wp_enqueue_style( 'wp-mediaelement' );
-		wp_enqueue_script( 'wp-mediaelement' );
-		wp_enqueue_script( 'mediaelement-vimeo' );
-	}
-
-	// Mediaelement has issues with some URL formats for Vimeo and YouTube, so
-	// update the URL to prevent the ME.js player from breaking.
-	if ( 'mediaelement' === $library ) {
-		if ( $is_youtube ) {
-			// Remove `feature` query arg and force SSL - see #40866.
-			$atts['src'] = remove_query_arg( 'feature', $atts['src'] );
-			$atts['src'] = set_url_scheme( $atts['src'], 'https' );
-		} elseif ( $is_vimeo ) {
-			// Remove all query arguments and force SSL - see #40866.
-			$parsed_vimeo_url = wp_parse_url( $atts['src'] );
-			$vimeo_src        = 'https://' . $parsed_vimeo_url['host'] . $parsed_vimeo_url['path'];
-
-			// Add loop param for mejs bug - see #40977, not needed after #39686.
-			$loop        = $atts['loop'] ? '1' : '0';
-			$atts['src'] = add_query_arg( 'loop', $loop, $vimeo_src );
-		}
-	}
-
-	/**
-	 * Filters the class attribute for the video shortcode output container.
-	 *
-	 * @since 3.6.0
-	 * @since 4.9.0 The `$atts` parameter was added.
-	 *
-	 * @param string $class CSS class or list of space-separated classes.
-	 * @param array  $atts  Array of video shortcode attributes.
-	 */
-	$atts['class'] = apply_filters( 'wp_video_shortcode_class', $atts['class'], $atts );
-
-	$html_atts = array(
-		'class'    => $atts['class'],
-		'id'       => sprintf( 'video-%d-%d', $post_id, $instance ),
-		'width'    => absint( $atts['width'] ),
-		'height'   => absint( $atts['height'] ),
-		'poster'   => esc_url( $atts['poster'] ),
-		'loop'     => wp_validate_boolean( $atts['loop'] ),
-		'autoplay' => wp_validate_boolean( $atts['autoplay'] ),
-		'preload'  => $atts['preload'],
-	);
-
-	// These ones should just be omitted altogether if they are blank
-	foreach ( array( 'poster', 'loop', 'autoplay', 'preload' ) as $a ) {
-		if ( empty( $html_atts[ $a ] ) ) {
-			unset( $html_atts[ $a ] );
-		}
-	}
-
-	$attr_strings = array();
-	foreach ( $html_atts as $k => $v ) {
-		$attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
-	}
-
-	$html = '';
-	if ( 'mediaelement' === $library && 1 === $instance ) {
-		$html .= "<!--[if lt IE 9]><script>document.createElement('video');</script><![endif]-->\n";
-	}
-	$html .= sprintf( '<video %s controls="controls">', join( ' ', $attr_strings ) );
-
-	$fileurl = '';
-	$source  = '<source type="%s" src="%s" />';
-	foreach ( $default_types as $fallback ) {
-		if ( ! empty( $atts[ $fallback ] ) ) {
-			if ( empty( $fileurl ) ) {
-				$fileurl = $atts[ $fallback ];
-			}
-			if ( 'src' === $fallback && $is_youtube ) {
-				$type = array( 'type' => 'video/youtube' );
-			} elseif ( 'src' === $fallback && $is_vimeo ) {
-				$type = array( 'type' => 'video/vimeo' );
-			} else {
-				$type = wp_check_filetype( $atts[ $fallback ], wp_get_mime_types() );
-			}
-			$url   = add_query_arg( '_', $instance, $atts[ $fallback ] );
-			$html .= sprintf( $source, $type['type'], esc_url( $url ) );
-		}
-	}
-
-	if ( ! empty( $content ) ) {
-		if ( false !== strpos( $content, "\n" ) ) {
-			$content = str_replace( array( "\r\n", "\n", "\t" ), '', $content );
-		}
-		$html .= trim( $content );
-	}
-
-	if ( 'mediaelement' === $library ) {
-		$html .= wp_mediaelement_fallback( $fileurl );
-	}
-	$html .= '</video>';
-
-	$width_rule = '';
-	if ( ! empty( $atts['width'] ) ) {
-		$width_rule = sprintf( 'width: %dpx;', $atts['width'] );
-	}
-	$output = sprintf( '<div style="%s" class="wp-video">%s</div>', $width_rule, $html );
-
-	/**
-	 * Filters the output of the video shortcode.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param string $output  Video shortcode HTML output.
-	 * @param array  $atts    Array of video shortcode attributes.
-	 * @param string $video   Video file.
-	 * @param int    $post_id Post ID.
-	 * @param string $library Media library used for the video shortcode.
-	 */
-	return apply_filters( 'wp_video_shortcode', $output, $atts, $video, $post_id, $library );
-}
-add_shortcode( 'video', 'wp_video_shortcode' );
-
-/**
- * Displays previous image link that has the same post parent.
- *
- * @since 2.5.0
- *
- * @see adjacent_image_link()
- *
- * @param string|array $size Optional. Image size. Accepts any valid image size, an array of width and
- *                           height values in pixels (in that order), 0, or 'none'. 0 or 'none' will
- *                           default to 'post_title' or `$text`. Default 'thumbnail'.
- * @param string       $text Optional. Link text. Default false.
- */
-function previous_image_link( $size = 'thumbnail', $text = false ) {
-	adjacent_image_link( true, $size, $text );
-}
-
-/**
- * Displays next image link that has the same post parent.
- *
- * @since 2.5.0
- *
- * @see adjacent_image_link()
- *
- * @param string|array $size Optional. Image size. Accepts any valid image size, an array of width and
- *                           height values in pixels (in that order), 0, or 'none'. 0 or 'none' will
- *                           default to 'post_title' or `$text`. Default 'thumbnail'.
- * @param string       $text Optional. Link text. Default false.
- */
-function next_image_link( $size = 'thumbnail', $text = false ) {
-	adjacent_image_link( false, $size, $text );
-}
-
-/**
- * Displays next or previous image link that has the same post parent.
- *
- * Retrieves the current attachment object from the $post global.
- *
- * @since 2.5.0
- *
- * @param bool         $prev Optional. Whether to display the next (false) or previous (true) link. Default true.
- * @param string|array $size Optional. Image size. Accepts any valid image size, or an array of width and height
- *                           values in pixels (in that order). Default 'thumbnail'.
- * @param bool         $text Optional. Link text. Default false.
- */
-function adjacent_image_link( $prev = true, $size = 'thumbnail', $text = false ) {
-	$post        = get_post();
-	$attachments = array_values(
-		get_children(
-			array(
-				'post_parent'    => $post->post_parent,
-				'post_status'    => 'inherit',
-				'post_type'      => 'attachment',
-				'post_mime_type' => 'image',
-				'order'          => 'ASC',
-				'orderby'        => 'menu_order ID',
-			)
-		)
-	);
-
-	foreach ( $attachments as $k => $attachment ) {
-		if ( intval( $attachment->ID ) === intval( $post->ID ) ) {
-			break;
-		}
-	}
-
-	$output        = '';
-	$attachment_id = 0;
-
-	if ( $attachments ) {
-		$k = $prev ? $k - 1 : $k + 1;
-
-		if ( isset( $attachments[ $k ] ) ) {
-			$attachment_id = $attachments[ $k ]->ID;
-			$output        = wp_get_attachment_link( $attachment_id, $size, true, false, $text );
-		}
-	}
-
-	$adjacent = $prev ? 'previous' : 'next';
-
-	/**
-	 * Filters the adjacent image link.
-	 *
-	 * The dynamic portion of the hook name, `$adjacent`, refers to the type of adjacency,
-	 * either 'next', or 'previous'.
-	 *
-	 * @since 3.5.0
-	 *
-	 * @param string $output        Adjacent image HTML markup.
-	 * @param int    $attachment_id Attachment ID
-	 * @param string $size          Image size.
-	 * @param string $text          Link text.
-	 */
-	echo apply_filters( "{$adjacent}_image_link", $output, $attachment_id, $size, $text );
-}
-
-/**
- * Retrieves taxonomies attached to given the attachment.
- *
- * @since 2.5.0
- * @since 4.7.0 Introduced the `$output` parameter.
- *
- * @param int|array|object $attachment Attachment ID, data array, or data object.
- * @param string           $output     Output type. 'names' to return an array of taxonomy names,
- *                                     or 'objects' to return an array of taxonomy objects.
- *                                     Default is 'names'.
- * @return array Empty array on failure. List of taxonomies on success.
- */
-function get_attachment_taxonomies( $attachment, $output = 'names' ) {
-	if ( is_int( $attachment ) ) {
-		$attachment = get_post( $attachment );
-	} elseif ( is_array( $attachment ) ) {
-		$attachment = (object) $attachment;
-	}
-
-	if ( ! is_object( $attachment ) ) {
-		return array();
-	}
-
-	$file     = get_attached_file( $attachment->ID );
-	$filename = wp_basename( $file );
-
-	$objects = array( 'attachment' );
-
-	if ( false !== strpos( $filename, '.' ) ) {
-		$objects[] = 'attachment:' . substr( $filename, strrpos( $filename, '.' ) + 1 );
-	}
-
-	if ( ! empty( $attachment->post_mime_type ) ) {
-		$objects[] = 'attachment:' . $attachment->post_mime_type;
-
-		if ( false !== strpos( $attachment->post_mime_type, '/' ) ) {
-			foreach ( explode( '/', $attachment->post_mime_type ) as $token ) {
-				if ( ! empty( $token ) ) {
-					$objects[] = "attachment:$token";
-				}
-			}
-		}
-	}
-
-	$taxonomies = array();
-
-	foreach ( $objects as $object ) {
-		$taxes = get_object_taxonomies( $object, $output );
-
-		if ( $taxes ) {
-			$taxonomies = array_merge( $taxonomies, $taxes );
-		}
-	}
-
-	if ( 'names' === $output ) {
-		$taxonomies = array_unique( $taxonomies );
-	}
-
-	return $taxonomies;
-}
-
-/**
- * Retrieves all of the taxonomies that are registered for attachments.
- *
- * Handles mime-type-specific taxonomies such as attachment:image and attachment:video.
- *
- * @since 3.5.0
- * @see get_taxonomies()
- *
- * @param string $output Optional. The type of taxonomy output to return. Accepts 'names' or 'objects'.
- *                       Default 'names'.
- * @return string[]|WP_Taxonomy[] Array of names or objects of registered taxonomies for attachments.
- */
-function get_taxonomies_for_attachments( $output = 'names' ) {
-	$taxonomies = array();
-
-	foreach ( get_taxonomies( array(), 'objects' ) as $taxonomy ) {
-		foreach ( $taxonomy->object_type as $object_type ) {
-			if ( 'attachment' === $object_type || 0 === strpos( $object_type, 'attachment:' ) ) {
-				if ( 'names' === $output ) {
-					$taxonomies[] = $taxonomy->name;
-				} else {
-					$taxonomies[ $taxonomy->name ] = $taxonomy;
-				}
-				break;
-			}
-		}
-	}
-
-	return $taxonomies;
-}
-
-/**
- * Create new GD image resource with transparency support
- *
- * @todo: Deprecate if possible.
- *
- * @since 2.9.0
- *
- * @param int $width  Image width in pixels.
- * @param int $height Image height in pixels..
- * @return resource The GD image resource.
- */
-function wp_imagecreatetruecolor( $width, $height ) {
-	$img = imagecreatetruecolor( $width, $height );
-	if ( is_resource( $img ) && function_exists( 'imagealphablending' ) && function_exists( 'imagesavealpha' ) ) {
-		imagealphablending( $img, false );
-		imagesavealpha( $img, true );
-	}
-	return $img;
-}
-
-/**
- * Based on a supplied width/height example, return the biggest possible dimensions based on the max width/height.
- *
- * @since 2.9.0
- *
- * @see wp_constrain_dimensions()
- *
- * @param int $example_width  The width of an example embed.
- * @param int $example_height The height of an example embed.
- * @param int $max_width      The maximum allowed width.
- * @param int $max_height     The maximum allowed height.
- * @return array The maximum possible width and height based on the example ratio.
- */
-function wp_expand_dimensions( $example_width, $example_height, $max_width, $max_height ) {
-	$example_width  = (int) $example_width;
-	$example_height = (int) $example_height;
-	$max_width      = (int) $max_width;
-	$max_height     = (int) $max_height;
-
-	return wp_constrain_dimensions( $example_width * 1000000, $example_height * 1000000, $max_width, $max_height );
-}
-
-/**
- * Determines the maximum upload size allowed in php.ini.
- *
- * @since 2.5.0
- *
- * @return int Allowed upload size.
- */
-function wp_max_upload_size() {
-	$u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) );
-	$p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) );
-
-	/**
-	 * Filters the maximum upload size allowed in php.ini.
-	 *
-	 * @since 2.5.0
-	 *
-	 * @param int $size    Max upload size limit in bytes.
-	 * @param int $u_bytes Maximum upload filesize in bytes.
-	 * @param int $p_bytes Maximum size of POST data in bytes.
-	 */
-	return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes );
-}
-
-/**
- * Returns a WP_Image_Editor instance and loads file into it.
- *
- * @since 3.5.0
- *
- * @param string $path Path to the file to load.
- * @param array  $args Optional. Additional arguments for retrieving the image editor.
- *                     Default empty array.
- * @return WP_Image_Editor|WP_Error The WP_Image_Editor object if successful, an WP_Error
- *                                  object otherwise.
- */
-function wp_get_image_editor( $path, $args = array() ) {
-	$args['path'] = $path;
-
-	if ( ! isset( $args['mime_type'] ) ) {
-		$file_info = wp_check_filetype( $args['path'] );
-
-		// If $file_info['type'] is false, then we let the editor attempt to
-		// figure out the file type, rather than forcing a failure based on extension.
-		if ( isset( $file_info ) && $file_info['type'] ) {
-			$args['mime_type'] = $file_info['type'];
-		}
-	}
-
-	$implementation = _wp_image_editor_choose( $args );
-
-	if ( $implementation ) {
-		$editor = new $implementation( $path );
-		$loaded = $editor->load();
-
-		if ( is_wp_error( $loaded ) ) {
-			return $loaded;
-		}
-
-		return $editor;
-	}
-
-	return new WP_Error( 'image_no_editor', __( 'No editor could be selected.' ) );
-}
-
-/**
- * Tests whether there is an editor that supports a given mime type or methods.
- *
- * @since 3.5.0
- *
- * @param string|array $args Optional. Array of arguments to retrieve the image editor supports.
- *                           Default empty array.
- * @return bool True if an eligible editor is found; false otherwise.
- */
-function wp_image_editor_supports( $args = array() ) {
-	return (bool) _wp_image_editor_choose( $args );
-}
-
-/**
- * Tests which editors are capable of supporting the request.
- *
- * @ignore
- * @since 3.5.0
- *
- * @param array $args Optional. Array of arguments for choosing a capable editor. Default empty array.
- * @return string|false Class name for the first editor that claims to support the request. False if no
- *                     editor claims to support the request.
- */
-function _wp_image_editor_choose( $args = array() ) {
-	require_once ABSPATH . WPINC . '/class-wp-image-editor.php';
-	require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php';
-	require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php';
-	/**
-	 * Filters the list of image editing library classes.
-	 *
-	 * @since 3.5.0
-	 *
-	 * @param array $image_editors List of available image editors. Defaults are
-	 *                             'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD'.
-	 */
-	$implementations = apply_filters( 'wp_image_editors', array( 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD' ) );
-
-	foreach ( $implementations as $implementation ) {
-		if ( ! call_user_func( array( $implementation, 'test' ), $args ) ) {
-			continue;
-		}
-
-		if ( isset( $args['mime_type'] ) &&
-			! call_user_func(
-				array( $implementation, 'supports_mime_type' ),
-				$args['mime_type']
-			) ) {
-			continue;
-		}
-
-		if ( isset( $args['methods'] ) &&
-			array_diff( $args['methods'], get_class_methods( $implementation ) ) ) {
-
-			continue;
-		}
-
-		return $implementation;
-	}
-
-	return false;
-}
-
-/**
- * Prints default Plupload arguments.
- *
- * @since 3.4.0
- */
-function wp_plupload_default_settings() {
-	$wp_scripts = wp_scripts();
-
-	$data = $wp_scripts->get_data( 'wp-plupload', 'data' );
-	if ( $data && false !== strpos( $data, '_wpPluploadSettings' ) ) {
-		return;
-	}
-
-	$max_upload_size    = wp_max_upload_size();
-	$allowed_extensions = array_keys( get_allowed_mime_types() );
-	$extensions         = array();
-	foreach ( $allowed_extensions as $extension ) {
-		$extensions = array_merge( $extensions, explode( '|', $extension ) );
-	}
-
-	/*
-	 * Since 4.9 the `runtimes` setting is hardcoded in our version of Plupload to `html5,html4`,
-	 * and the `flash_swf_url` and `silverlight_xap_url` are not used.
-	 */
-	$defaults = array(
-		'file_data_name' => 'async-upload', // key passed to $_FILE.
-		'url'            => admin_url( 'async-upload.php', 'relative' ),
-		'filters'        => array(
-			'max_file_size' => $max_upload_size . 'b',
-			'mime_types'    => array( array( 'extensions' => implode( ',', $extensions ) ) ),
-		),
-	);
-
-	// Currently only iOS Safari supports multiple files uploading but iOS 7.x has a bug that prevents uploading of videos
-	// when enabled. See #29602.
-	if ( wp_is_mobile() && strpos( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) !== false &&
-		strpos( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' ) !== false ) {
-
-		$defaults['multi_selection'] = false;
-	}
-
-	/**
-	 * Filters the Plupload default settings.
-	 *
-	 * @since 3.4.0
-	 *
-	 * @param array $defaults Default Plupload settings array.
-	 */
-	$defaults = apply_filters( 'plupload_default_settings', $defaults );
-
-	$params = array(
-		'action' => 'upload-attachment',
-	);
-
-	/**
-	 * Filters the Plupload default parameters.
-	 *
-	 * @since 3.4.0
-	 *
-	 * @param array $params Default Plupload parameters array.
-	 */
-	$params                       = apply_filters( 'plupload_default_params', $params );
-	$params['_wpnonce']           = wp_create_nonce( 'media-form' );
-	$defaults['multipart_params'] = $params;
-
-	$settings = array(
-		'defaults'      => $defaults,
-		'browser'       => array(
-			'mobile'    => wp_is_mobile(),
-			'supported' => _device_can_upload(),
-		),
-		'limitExceeded' => is_multisite() && ! is_upload_space_available(),
-	);
-
-	$script = 'var _wpPluploadSettings = ' . wp_json_encode( $settings ) . ';';
-
-	if ( $data ) {
-		$script = "$data\n$script";
-	}
-
-	$wp_scripts->add_data( 'wp-plupload', 'data', $script );
-}
-
-/**
- * Prepares an attachment post object for JS, where it is expected
- * to be JSON-encoded and fit into an Attachment model.
- *
- * @since 3.5.0
- *
- * @param int|WP_Post $attachment Attachment ID or object.
- * @return array|void Array of attachment details.
- */
-function wp_prepare_attachment_for_js( $attachment ) {
-	$attachment = get_post( $attachment );
-
-	if ( ! $attachment ) {
-		return;
-	}
-
-	if ( 'attachment' !== $attachment->post_type ) {
-		return;
-	}
-
-	$meta = wp_get_attachment_metadata( $attachment->ID );
-	if ( false !== strpos( $attachment->post_mime_type, '/' ) ) {
-		list( $type, $subtype ) = explode( '/', $attachment->post_mime_type );
-	} else {
-		list( $type, $subtype ) = array( $attachment->post_mime_type, '' );
-	}
-
-	$attachment_url = wp_get_attachment_url( $attachment->ID );
-	$base_url       = str_replace( wp_basename( $attachment_url ), '', $attachment_url );
-
-	$response = array(
-		'id'            => $attachment->ID,
-		'title'         => $attachment->post_title,
-		'filename'      => wp_basename( get_attached_file( $attachment->ID ) ),
-		'url'           => $attachment_url,
-		'link'          => get_attachment_link( $attachment->ID ),
-		'alt'           => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
-		'author'        => $attachment->post_author,
-		'description'   => $attachment->post_content,
-		'caption'       => $attachment->post_excerpt,
-		'name'          => $attachment->post_name,
-		'status'        => $attachment->post_status,
-		'uploadedTo'    => $attachment->post_parent,
-		'date'          => strtotime( $attachment->post_date_gmt ) * 1000,
-		'modified'      => strtotime( $attachment->post_modified_gmt ) * 1000,
-		'menuOrder'     => $attachment->menu_order,
-		'mime'          => $attachment->post_mime_type,
-		'type'          => $type,
-		'subtype'       => $subtype,
-		'icon'          => wp_mime_type_icon( $attachment->ID ),
-		'dateFormatted' => mysql2date( __( 'F j, Y' ), $attachment->post_date ),
-		'nonces'        => array(
-			'update' => false,
-			'delete' => false,
-			'edit'   => false,
-		),
-		'editLink'      => false,
-		'meta'          => false,
-	);
-
-	$author = new WP_User( $attachment->post_author );
-	if ( $author->exists() ) {
-		$response['authorName'] = html_entity_decode( $author->display_name, ENT_QUOTES, get_bloginfo( 'charset' ) );
-	} else {
-		$response['authorName'] = __( '(no author)' );
-	}
-
-	if ( $attachment->post_parent ) {
-		$post_parent = get_post( $attachment->post_parent );
-	} else {
-		$post_parent = false;
-	}
-
-	if ( $post_parent ) {
-		$parent_type = get_post_type_object( $post_parent->post_type );
-
-		if ( $parent_type && $parent_type->show_ui && current_user_can( 'edit_post', $attachment->post_parent ) ) {
-			$response['uploadedToLink'] = get_edit_post_link( $attachment->post_parent, 'raw' );
-		}
-
-		if ( $parent_type && current_user_can( 'read_post', $attachment->post_parent ) ) {
-			$response['uploadedToTitle'] = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' );
-		}
-	}
-
-	$attached_file = get_attached_file( $attachment->ID );
-
-	if ( isset( $meta['filesize'] ) ) {
-		$bytes = $meta['filesize'];
-	} elseif ( file_exists( $attached_file ) ) {
-		$bytes = filesize( $attached_file );
-	} else {
-		$bytes = '';
-	}
-
-	if ( $bytes ) {
-		$response['filesizeInBytes']       = $bytes;
-		$response['filesizeHumanReadable'] = size_format( $bytes );
-	}
-
-	$context             = get_post_meta( $attachment->ID, '_wp_attachment_context', true );
-	$response['context'] = ( $context ) ? $context : '';
-
-	if ( current_user_can( 'edit_post', $attachment->ID ) ) {
-		$response['nonces']['update'] = wp_create_nonce( 'update-post_' . $attachment->ID );
-		$response['nonces']['edit']   = wp_create_nonce( 'image_editor-' . $attachment->ID );
-		$response['editLink']         = get_edit_post_link( $attachment->ID, 'raw' );
-	}
-
-	if ( current_user_can( 'delete_post', $attachment->ID ) ) {
-		$response['nonces']['delete'] = wp_create_nonce( 'delete-post_' . $attachment->ID );
-	}
-
-	if ( $meta && ( 'image' === $type || ! empty( $meta['sizes'] ) ) ) {
-		$sizes = array();
-
-		/** This filter is documented in wp-admin/includes/media.php */
-		$possible_sizes = apply_filters(
-			'image_size_names_choose',
-			array(
-				'thumbnail' => __( 'Thumbnail' ),
-				'medium'    => __( 'Medium' ),
-				'large'     => __( 'Large' ),
-				'full'      => __( 'Full Size' ),
-			)
-		);
-		unset( $possible_sizes['full'] );
-
-		// Loop through all potential sizes that may be chosen. Try to do this with some efficiency.
-		// First: run the image_downsize filter. If it returns something, we can use its data.
-		// If the filter does not return something, then image_downsize() is just an expensive
-		// way to check the image metadata, which we do second.
-		foreach ( $possible_sizes as $size => $label ) {
-
-			/** This filter is documented in wp-includes/media.php */
-			$downsize = apply_filters( 'image_downsize', false, $attachment->ID, $size );
-
-			if ( $downsize ) {
-				if ( empty( $downsize[3] ) ) {
-					continue;
-				}
-
-				$sizes[ $size ] = array(
-					'height'      => $downsize[2],
-					'width'       => $downsize[1],
-					'url'         => $downsize[0],
-					'orientation' => $downsize[2] > $downsize[1] ? 'portrait' : 'landscape',
-				);
-			} elseif ( isset( $meta['sizes'][ $size ] ) ) {
-				// Nothing from the filter, so consult image metadata if we have it.
-				$size_meta = $meta['sizes'][ $size ];
-
-				// We have the actual image size, but might need to further constrain it if content_width is narrower.
-				// Thumbnail, medium, and full sizes are also checked against the site's height/width options.
-				list( $width, $height ) = image_constrain_size_for_editor( $size_meta['width'], $size_meta['height'], $size, 'edit' );
-
-				$sizes[ $size ] = array(
-					'height'      => $height,
-					'width'       => $width,
-					'url'         => $base_url . $size_meta['file'],
-					'orientation' => $height > $width ? 'portrait' : 'landscape',
-				);
-			}
-		}
-
-		if ( 'image' === $type ) {
-			$sizes['full'] = array( 'url' => $attachment_url );
-
-			if ( isset( $meta['height'], $meta['width'] ) ) {
-				$sizes['full']['height']      = $meta['height'];
-				$sizes['full']['width']       = $meta['width'];
-				$sizes['full']['orientation'] = $meta['height'] > $meta['width'] ? 'portrait' : 'landscape';
-			}
-
-			$response = array_merge( $response, $sizes['full'] );
-		} elseif ( $meta['sizes']['full']['file'] ) {
-			$sizes['full'] = array(
-				'url'         => $base_url . $meta['sizes']['full']['file'],
-				'height'      => $meta['sizes']['full']['height'],
-				'width'       => $meta['sizes']['full']['width'],
-				'orientation' => $meta['sizes']['full']['height'] > $meta['sizes']['full']['width'] ? 'portrait' : 'landscape',
-			);
-		}
-
-		$response = array_merge( $response, array( 'sizes' => $sizes ) );
-	}
-
-	if ( $meta && 'video' === $type ) {
-		if ( isset( $meta['width'] ) ) {
-			$response['width'] = (int) $meta['width'];
-		}
-		if ( isset( $meta['height'] ) ) {
-			$response['height'] = (int) $meta['height'];
-		}
-	}
-
-	if ( $meta && ( 'audio' === $type || 'video' === $type ) ) {
-		if ( isset( $meta['length_formatted'] ) ) {
-			$response['fileLength']              = $meta['length_formatted'];
-			$response['fileLengthHumanReadable'] = human_readable_duration( $meta['length_formatted'] );
-		}
-
-		$response['meta'] = array();
-		foreach ( wp_get_attachment_id3_keys( $attachment, 'js' ) as $key => $label ) {
-			$response['meta'][ $key ] = false;
-
-			if ( ! empty( $meta[ $key ] ) ) {
-				$response['meta'][ $key ] = $meta[ $key ];
-			}
-		}
-
-		$id = get_post_thumbnail_id( $attachment->ID );
-		if ( ! empty( $id ) ) {
-			list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'full' );
-			$response['image']            = compact( 'src', 'width', 'height' );
-			list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'thumbnail' );
-			$response['thumb']            = compact( 'src', 'width', 'height' );
-		} else {
-			$src               = wp_mime_type_icon( $attachment->ID );
-			$width             = 48;
-			$height            = 64;
-			$response['image'] = compact( 'src', 'width', 'height' );
-			$response['thumb'] = compact( 'src', 'width', 'height' );
-		}
-	}
-
-	if ( function_exists( 'get_compat_media_markup' ) ) {
-		$response['compat'] = get_compat_media_markup( $attachment->ID, array( 'in_modal' => true ) );
-	}
-
-	/**
-	 * Filters the attachment data prepared for JavaScript.
-	 *
-	 * @since 3.5.0
-	 *
-	 * @param array       $response   Array of prepared attachment data.
-	 * @param WP_Post     $attachment Attachment object.
-	 * @param array|false $meta       Array of attachment meta data, or false if there is none.
-	 */
-	return apply_filters( 'wp_prepare_attachment_for_js', $response, $attachment, $meta );
-}
-
-/**
- * Enqueues all scripts, styles, settings, and templates necessary to use
- * all media JS APIs.
- *
- * @since 3.5.0
- *
- * @global int       $content_width
- * @global wpdb      $wpdb          WordPress database abstraction object.
- * @global WP_Locale $wp_locale     WordPress date and time locale object.
- *
- * @param array $args {
- *     Arguments for enqueuing media scripts.
- *
- *     @type int|WP_Post A post object or ID.
- * }
- */
-function wp_enqueue_media( $args = array() ) {
-	// Enqueue me just once per page, please.
-	if ( did_action( 'wp_enqueue_media' ) ) {
-		return;
-	}
-
-	global $content_width, $wpdb, $wp_locale;
-
-	$defaults = array(
-		'post' => null,
-	);
-	$args     = wp_parse_args( $args, $defaults );
-
-	// We're going to pass the old thickbox media tabs to `media_upload_tabs`
-	// to ensure plugins will work. We will then unset those tabs.
-	$tabs = array(
-		// handler action suffix => tab label
-		'type'     => '',
-		'type_url' => '',
-		'gallery'  => '',
-		'library'  => '',
-	);
-
-	/** This filter is documented in wp-admin/includes/media.php */
-	$tabs = apply_filters( 'media_upload_tabs', $tabs );
-	unset( $tabs['type'], $tabs['type_url'], $tabs['gallery'], $tabs['library'] );
-
-	$props = array(
-		'link'  => get_option( 'image_default_link_type' ), // db default is 'file'
-		'align' => get_option( 'image_default_align' ), // empty default
-		'size'  => get_option( 'image_default_size' ),  // empty default
-	);
-
-	$exts      = array_merge( wp_get_audio_extensions(), wp_get_video_extensions() );
-	$mimes     = get_allowed_mime_types();
-	$ext_mimes = array();
-	foreach ( $exts as $ext ) {
-		foreach ( $mimes as $ext_preg => $mime_match ) {
-			if ( preg_match( '#' . $ext . '#i', $ext_preg ) ) {
-				$ext_mimes[ $ext ] = $mime_match;
-				break;
-			}
-		}
-	}
-
-	/**
-	 * Allows showing or hiding the "Create Audio Playlist" button in the media library.
-	 *
-	 * By default, the "Create Audio Playlist" button will always be shown in
-	 * the media library.  If this filter returns `null`, a query will be run
-	 * to determine whether the media library contains any audio items.  This
-	 * was the default behavior prior to version 4.8.0, but this query is
-	 * expensive for large media libraries.
-	 *
-	 * @since 4.7.4
-	 * @since 4.8.0 The filter's default value is `true` rather than `null`.
-	 *
-	 * @link https://core.trac.wordpress.org/ticket/31071
-	 *
-	 * @param bool|null Whether to show the button, or `null` to decide based
-	 *                  on whether any audio files exist in the media library.
-	 */
-	$show_audio_playlist = apply_filters( 'media_library_show_audio_playlist', true );
-	if ( null === $show_audio_playlist ) {
-		$show_audio_playlist = $wpdb->get_var(
-			"
-			SELECT ID
-			FROM $wpdb->posts
-			WHERE post_type = 'attachment'
-			AND post_mime_type LIKE 'audio%'
-			LIMIT 1
-		"
-		);
-	}
-
-	/**
-	 * Allows showing or hiding the "Create Video Playlist" button in the media library.
-	 *
-	 * By default, the "Create Video Playlist" button will always be shown in
-	 * the media library.  If this filter returns `null`, a query will be run
-	 * to determine whether the media library contains any video items.  This
-	 * was the default behavior prior to version 4.8.0, but this query is
-	 * expensive for large media libraries.
-	 *
-	 * @since 4.7.4
-	 * @since 4.8.0 The filter's default value is `true` rather than `null`.
-	 *
-	 * @link https://core.trac.wordpress.org/ticket/31071
-	 *
-	 * @param bool|null Whether to show the button, or `null` to decide based
-	 *                  on whether any video files exist in the media library.
-	 */
-	$show_video_playlist = apply_filters( 'media_library_show_video_playlist', true );
-	if ( null === $show_video_playlist ) {
-		$show_video_playlist = $wpdb->get_var(
-			"
-			SELECT ID
-			FROM $wpdb->posts
-			WHERE post_type = 'attachment'
-			AND post_mime_type LIKE 'video%'
-			LIMIT 1
-		"
-		);
-	}
-
-	/**
-	 * Allows overriding the list of months displayed in the media library.
-	 *
-	 * By default (if this filter does not return an array), a query will be
-	 * run to determine the months that have media items.  This query can be
-	 * expensive for large media libraries, so it may be desirable for sites to
-	 * override this behavior.
-	 *
-	 * @since 4.7.4
-	 *
-	 * @link https://core.trac.wordpress.org/ticket/31071
-	 *
-	 * @param array|null An array of objects with `month` and `year`
-	 *                   properties, or `null` (or any other non-array value)
-	 *                   for default behavior.
-	 */
-	$months = apply_filters( 'media_library_months_with_files', null );
-	if ( ! is_array( $months ) ) {
-		$months = $wpdb->get_results(
-			$wpdb->prepare(
-				"
-			SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
-			FROM $wpdb->posts
-			WHERE post_type = %s
-			ORDER BY post_date DESC
-		",
-				'attachment'
-			)
-		);
-	}
-	foreach ( $months as $month_year ) {
-		$month_year->text = sprintf(
-			/* translators: 1: Month, 2: Year. */
-			__( '%1$s %2$d' ),
-			$wp_locale->get_month( $month_year->month ),
-			$month_year->year
-		);
-	}
-
-	$settings = array(
-		'tabs'             => $tabs,
-		'tabUrl'           => add_query_arg( array( 'chromeless' => true ), admin_url( 'media-upload.php' ) ),
-		'mimeTypes'        => wp_list_pluck( get_post_mime_types(), 0 ),
-		/** This filter is documented in wp-admin/includes/media.php */
-		'captions'         => ! apply_filters( 'disable_captions', '' ),
-		'nonce'            => array(
-			'sendToEditor' => wp_create_nonce( 'media-send-to-editor' ),
-		),
-		'post'             => array(
-			'id' => 0,
-		),
-		'defaultProps'     => $props,
-		'attachmentCounts' => array(
-			'audio' => ( $show_audio_playlist ) ? 1 : 0,
-			'video' => ( $show_video_playlist ) ? 1 : 0,
-		),
-		'oEmbedProxyUrl'   => rest_url( 'oembed/1.0/proxy' ),
-		'embedExts'        => $exts,
-		'embedMimes'       => $ext_mimes,
-		'contentWidth'     => $content_width,
-		'months'           => $months,
-		'mediaTrash'       => MEDIA_TRASH ? 1 : 0,
-	);
-
-	$post = null;
-	if ( isset( $args['post'] ) ) {
-		$post             = get_post( $args['post'] );
-		$settings['post'] = array(
-			'id'    => $post->ID,
-			'nonce' => wp_create_nonce( 'update-post_' . $post->ID ),
-		);
-
-		$thumbnail_support = current_theme_supports( 'post-thumbnails', $post->post_type ) && post_type_supports( $post->post_type, 'thumbnail' );
-		if ( ! $thumbnail_support && 'attachment' === $post->post_type && $post->post_mime_type ) {
-			if ( wp_attachment_is( 'audio', $post ) ) {
-				$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
-			} elseif ( wp_attachment_is( 'video', $post ) ) {
-				$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
-			}
-		}
-
-		if ( $thumbnail_support ) {
-			$featured_image_id                   = get_post_meta( $post->ID, '_thumbnail_id', true );
-			$settings['post']['featuredImageId'] = $featured_image_id ? $featured_image_id : -1;
-		}
-	}
-
-	if ( $post ) {
-		$post_type_object = get_post_type_object( $post->post_type );
-	} else {
-		$post_type_object = get_post_type_object( 'post' );
-	}
-
-	$strings = array(
-		// Generic
-		'mediaFrameDefaultTitle'      => __( 'Media' ),
-		'url'                         => __( 'URL' ),
-		'addMedia'                    => __( 'Add Media' ),
-		'search'                      => __( 'Search' ),
-		'select'                      => __( 'Select' ),
-		'cancel'                      => __( 'Cancel' ),
-		'update'                      => __( 'Update' ),
-		'replace'                     => __( 'Replace' ),
-		'remove'                      => __( 'Remove' ),
-		'back'                        => __( 'Back' ),
-		/*
-		 * translators: This is a would-be plural string used in the media manager.
-		 * If there is not a word you can use in your language to avoid issues with the
-		 * lack of plural support here, turn it into "selected: %d" then translate it.
-		 */
-		'selected'                    => __( '%d selected' ),
-		'dragInfo'                    => __( 'Drag and drop to reorder media files.' ),
-
-		// Upload
-		'uploadFilesTitle'            => __( 'Upload Files' ),
-		'uploadImagesTitle'           => __( 'Upload Images' ),
-
-		// Library
-		'mediaLibraryTitle'           => __( 'Media Library' ),
-		'insertMediaTitle'            => __( 'Add Media' ),
-		'createNewGallery'            => __( 'Create a new gallery' ),
-		'createNewPlaylist'           => __( 'Create a new playlist' ),
-		'createNewVideoPlaylist'      => __( 'Create a new video playlist' ),
-		'returnToLibrary'             => __( '&#8592; Return to library' ),
-		'allMediaItems'               => __( 'All media items' ),
-		'allDates'                    => __( 'All dates' ),
-		'noItemsFound'                => __( 'No items found.' ),
-		'insertIntoPost'              => $post_type_object->labels->insert_into_item,
-		'unattached'                  => __( 'Unattached' ),
-		'mine'                        => _x( 'Mine', 'media items' ),
-		'trash'                       => _x( 'Trash', 'noun' ),
-		'uploadedToThisPost'          => $post_type_object->labels->uploaded_to_this_item,
-		'warnDelete'                  => __( "You are about to permanently delete this item from your site.\nThis action cannot be undone.\n 'Cancel' to stop, 'OK' to delete." ),
-		'warnBulkDelete'              => __( "You are about to permanently delete these items from your site.\nThis action cannot be undone.\n 'Cancel' to stop, 'OK' to delete." ),
-		'warnBulkTrash'               => __( "You are about to trash these items.\n  'Cancel' to stop, 'OK' to delete." ),
-		'bulkSelect'                  => __( 'Bulk Select' ),
-		'trashSelected'               => __( 'Move to Trash' ),
-		'restoreSelected'             => __( 'Restore from Trash' ),
-		'deletePermanently'           => __( 'Delete Permanently' ),
-		'apply'                       => __( 'Apply' ),
-		'filterByDate'                => __( 'Filter by date' ),
-		'filterByType'                => __( 'Filter by type' ),
-		'searchLabel'                 => __( 'Search' ),
-		'searchMediaLabel'            => __( 'Search Media' ), // backwards compatibility pre-5.3
-		'searchMediaPlaceholder'      => __( 'Search media items...' ), // placeholder (no ellipsis), backwards compatibility pre-5.3
-		'mediaFound'                  => __( 'Number of media items found: %d' ),
-		'mediaFoundHasMoreResults'    => __( 'Number of media items displayed: %d. Scroll the page for more results.' ),
-		'noMedia'                     => __( 'No media items found.' ),
-		'noMediaTryNewSearch'         => __( 'No media items found. Try a different search.' ),
-
-		// Library Details
-		'attachmentDetails'           => __( 'Attachment Details' ),
-
-		// From URL
-		'insertFromUrlTitle'          => __( 'Insert from URL' ),
-
-		// Featured Images
-		'setFeaturedImageTitle'       => $post_type_object->labels->featured_image,
-		'setFeaturedImage'            => $post_type_object->labels->set_featured_image,
-
-		// Gallery
-		'createGalleryTitle'          => __( 'Create Gallery' ),
-		'editGalleryTitle'            => __( 'Edit Gallery' ),
-		'cancelGalleryTitle'          => __( '&#8592; Cancel Gallery' ),
-		'insertGallery'               => __( 'Insert gallery' ),
-		'updateGallery'               => __( 'Update gallery' ),
-		'addToGallery'                => __( 'Add to gallery' ),
-		'addToGalleryTitle'           => __( 'Add to Gallery' ),
-		'reverseOrder'                => __( 'Reverse order' ),
-
-		// Edit Image
-		'imageDetailsTitle'           => __( 'Image Details' ),
-		'imageReplaceTitle'           => __( 'Replace Image' ),
-		'imageDetailsCancel'          => __( 'Cancel Edit' ),
-		'editImage'                   => __( 'Edit Image' ),
-
-		// Crop Image
-		'chooseImage'                 => __( 'Choose Image' ),
-		'selectAndCrop'               => __( 'Select and Crop' ),
-		'skipCropping'                => __( 'Skip Cropping' ),
-		'cropImage'                   => __( 'Crop Image' ),
-		'cropYourImage'               => __( 'Crop your image' ),
-		'cropping'                    => __( 'Cropping&hellip;' ),
-		/* translators: 1: Suggested width number, 2: Suggested height number. */
-		'suggestedDimensions'         => __( 'Suggested image dimensions: %1$s by %2$s pixels.' ),
-		'cropError'                   => __( 'There has been an error cropping your image.' ),
-
-		// Edit Audio
-		'audioDetailsTitle'           => __( 'Audio Details' ),
-		'audioReplaceTitle'           => __( 'Replace Audio' ),
-		'audioAddSourceTitle'         => __( 'Add Audio Source' ),
-		'audioDetailsCancel'          => __( 'Cancel Edit' ),
-
-		// Edit Video
-		'videoDetailsTitle'           => __( 'Video Details' ),
-		'videoReplaceTitle'           => __( 'Replace Video' ),
-		'videoAddSourceTitle'         => __( 'Add Video Source' ),
-		'videoDetailsCancel'          => __( 'Cancel Edit' ),
-		'videoSelectPosterImageTitle' => __( 'Select Poster Image' ),
-		'videoAddTrackTitle'          => __( 'Add Subtitles' ),
-
-		// Playlist
-		'playlistDragInfo'            => __( 'Drag and drop to reorder tracks.' ),
-		'createPlaylistTitle'         => __( 'Create Audio Playlist' ),
-		'editPlaylistTitle'           => __( 'Edit Audio Playlist' ),
-		'cancelPlaylistTitle'         => __( '&#8592; Cancel Audio Playlist' ),
-		'insertPlaylist'              => __( 'Insert audio playlist' ),
-		'updatePlaylist'              => __( 'Update audio playlist' ),
-		'addToPlaylist'               => __( 'Add to audio playlist' ),
-		'addToPlaylistTitle'          => __( 'Add to Audio Playlist' ),
-
-		// Video Playlist
-		'videoPlaylistDragInfo'       => __( 'Drag and drop to reorder videos.' ),
-		'createVideoPlaylistTitle'    => __( 'Create Video Playlist' ),
-		'editVideoPlaylistTitle'      => __( 'Edit Video Playlist' ),
-		'cancelVideoPlaylistTitle'    => __( '&#8592; Cancel Video Playlist' ),
-		'insertVideoPlaylist'         => __( 'Insert video playlist' ),
-		'updateVideoPlaylist'         => __( 'Update video playlist' ),
-		'addToVideoPlaylist'          => __( 'Add to video playlist' ),
-		'addToVideoPlaylistTitle'     => __( 'Add to Video Playlist' ),
-
-		// Headings
-		'filterAttachments'           => __( 'Filter Media' ),
-		'attachmentsList'             => __( 'Media list' ),
-	);
-
-	/**
-	 * Filters the media view settings.
-	 *
-	 * @since 3.5.0
-	 *
-	 * @param array   $settings List of media view settings.
-	 * @param WP_Post $post     Post object.
-	 */
-	$settings = apply_filters( 'media_view_settings', $settings, $post );
-
-	/**
-	 * Filters the media view strings.
-	 *
-	 * @since 3.5.0
-	 *
-	 * @param array   $strings List of media view strings.
-	 * @param WP_Post $post    Post object.
-	 */
-	$strings = apply_filters( 'media_view_strings', $strings, $post );
-
-	$strings['settings'] = $settings;
-
-	// Ensure we enqueue media-editor first, that way media-views is
-	// registered internally before we try to localize it. see #24724.
-	wp_enqueue_script( 'media-editor' );
-	wp_localize_script( 'media-views', '_wpMediaViewsL10n', $strings );
-
-	wp_enqueue_script( 'media-audiovideo' );
-	wp_enqueue_style( 'media-views' );
-	if ( is_admin() ) {
-		wp_enqueue_script( 'mce-view' );
-		wp_enqueue_script( 'image-edit' );
-	}
-	wp_enqueue_style( 'imgareaselect' );
-	wp_plupload_default_settings();
-
-	require_once ABSPATH . WPINC . '/media-template.php';
-	add_action( 'admin_footer', 'wp_print_media_templates' );
-	add_action( 'wp_footer', 'wp_print_media_templates' );
-	add_action( 'customize_controls_print_footer_scripts', 'wp_print_media_templates' );
-
-	/**
-	 * Fires at the conclusion of wp_enqueue_media().
-	 *
-	 * @since 3.5.0
-	 */
-	do_action( 'wp_enqueue_media' );
-}
-
-/**
- * Retrieves media attached to the passed post.
- *
- * @since 3.6.0
- *
- * @param string      $type Mime type.
- * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
- * @return array Found attachments.
- */
-function get_attached_media( $type, $post = 0 ) {
-	$post = get_post( $post );
-
-	if ( ! $post ) {
-		return array();
-	}
-
-	$args = array(
-		'post_parent'    => $post->ID,
-		'post_type'      => 'attachment',
-		'post_mime_type' => $type,
-		'posts_per_page' => -1,
-		'orderby'        => 'menu_order',
-		'order'          => 'ASC',
-	);
-
-	/**
-	 * Filters arguments used to retrieve media attached to the given post.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param array  $args Post query arguments.
-	 * @param string $type Mime type of the desired media.
-	 * @param mixed  $post Post ID or object.
-	 */
-	$args = apply_filters( 'get_attached_media_args', $args, $type, $post );
-
-	$children = get_children( $args );
-
-	/**
-	 * Filters the list of media attached to the given post.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param array  $children Associative array of media attached to the given post.
-	 * @param string $type     Mime type of the media desired.
-	 * @param mixed  $post     Post ID or object.
-	 */
-	return (array) apply_filters( 'get_attached_media', $children, $type, $post );
-}
-
-/**
- * Check the content blob for an audio, video, object, embed, or iframe tags.
- *
- * @since 3.6.0
- *
- * @param string $content A string which might contain media data.
- * @param array  $types   An array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'.
- * @return array A list of found HTML media embeds.
- */
-function get_media_embedded_in_content( $content, $types = null ) {
-	$html = array();
-
-	/**
-	 * Filters the embedded media types that are allowed to be returned from the content blob.
-	 *
-	 * @since 4.2.0
-	 *
-	 * @param array $allowed_media_types An array of allowed media types. Default media types are
-	 *                                   'audio', 'video', 'object', 'embed', and 'iframe'.
-	 */
-	$allowed_media_types = apply_filters( 'media_embedded_in_content_allowed_types', array( 'audio', 'video', 'object', 'embed', 'iframe' ) );
-
-	if ( ! empty( $types ) ) {
-		if ( ! is_array( $types ) ) {
-			$types = array( $types );
-		}
-
-		$allowed_media_types = array_intersect( $allowed_media_types, $types );
-	}
-
-	$tags = implode( '|', $allowed_media_types );
-
-	if ( preg_match_all( '#<(?P<tag>' . $tags . ')[^<]*?(?:>[\s\S]*?<\/(?P=tag)>|\s*\/>)#', $content, $matches ) ) {
-		foreach ( $matches[0] as $match ) {
-			$html[] = $match;
-		}
-	}
-
-	return $html;
-}
-
-/**
- * Retrieves galleries from the passed post's content.
- *
- * @since 3.6.0
- *
- * @param int|WP_Post $post Post ID or object.
- * @param bool        $html Optional. Whether to return HTML or data in the array. Default true.
- * @return array A list of arrays, each containing gallery data and srcs parsed
- *               from the expanded shortcode.
- */
-function get_post_galleries( $post, $html = true ) {
-	$post = get_post( $post );
-
-	if ( ! $post ) {
-		return array();
-	}
-
-	if ( ! has_shortcode( $post->post_content, 'gallery' ) ) {
-		return array();
-	}
-
-	$galleries = array();
-	if ( preg_match_all( '/' . get_shortcode_regex() . '/s', $post->post_content, $matches, PREG_SET_ORDER ) ) {
-		foreach ( $matches as $shortcode ) {
-			if ( 'gallery' === $shortcode[2] ) {
-				$srcs = array();
-
-				$shortcode_attrs = shortcode_parse_atts( $shortcode[3] );
-				if ( ! is_array( $shortcode_attrs ) ) {
-					$shortcode_attrs = array();
-				}
-
-				// Specify the post id of the gallery we're viewing if the shortcode doesn't reference another post already.
-				if ( ! isset( $shortcode_attrs['id'] ) ) {
-					$shortcode[3] .= ' id="' . intval( $post->ID ) . '"';
-				}
-
-				$gallery = do_shortcode_tag( $shortcode );
-				if ( $html ) {
-					$galleries[] = $gallery;
-				} else {
-					preg_match_all( '#src=([\'"])(.+?)\1#is', $gallery, $src, PREG_SET_ORDER );
-					if ( ! empty( $src ) ) {
-						foreach ( $src as $s ) {
-							$srcs[] = $s[2];
-						}
-					}
-
-					$galleries[] = array_merge(
-						$shortcode_attrs,
-						array(
-							'src' => array_values( array_unique( $srcs ) ),
-						)
-					);
-				}
-			}
-		}
-	}
-
-	/**
-	 * Filters the list of all found galleries in the given post.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param array   $galleries Associative array of all found post galleries.
-	 * @param WP_Post $post      Post object.
-	 */
-	return apply_filters( 'get_post_galleries', $galleries, $post );
-}
-
-/**
- * Check a specified post's content for gallery and, if present, return the first
- *
- * @since 3.6.0
- *
- * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
- * @param bool        $html Optional. Whether to return HTML or data. Default is true.
- * @return string|array Gallery data and srcs parsed from the expanded shortcode.
- */
-function get_post_gallery( $post = 0, $html = true ) {
-	$galleries = get_post_galleries( $post, $html );
-	$gallery   = reset( $galleries );
-
-	/**
-	 * Filters the first-found post gallery.
-	 *
-	 * @since 3.6.0
-	 *
-	 * @param array       $gallery   The first-found post gallery.
-	 * @param int|WP_Post $post      Post ID or object.
-	 * @param array       $galleries Associative array of all found post galleries.
-	 */
-	return apply_filters( 'get_post_gallery', $gallery, $post, $galleries );
-}
-
-/**
- * Retrieve the image srcs from galleries from a post's content, if present
- *
- * @since 3.6.0
- *
- * @see get_post_galleries()
- *
- * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
- * @return array A list of lists, each containing image srcs parsed.
- *               from an expanded shortcode
- */
-function get_post_galleries_images( $post = 0 ) {
-	$galleries = get_post_galleries( $post, false );
-	return wp_list_pluck( $galleries, 'src' );
-}
-
-/**
- * Checks a post's content for galleries and return the image srcs for the first found gallery
- *
- * @since 3.6.0
- *
- * @see get_post_gallery()
- *
- * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
- * @return array A list of a gallery's image srcs in order.
- */
-function get_post_gallery_images( $post = 0 ) {
-	$gallery = get_post_gallery( $post, false );
-	return empty( $gallery['src'] ) ? array() : $gallery['src'];
-}
-
-/**
- * Maybe attempts to generate attachment metadata, if missing.
- *
- * @since 3.9.0
- *
- * @param WP_Post $attachment Attachment object.
- */
-function wp_maybe_generate_attachment_metadata( $attachment ) {
-	if ( empty( $attachment ) || empty( $attachment->ID ) ) {
-		return;
-	}
-
-	$attachment_id = (int) $attachment->ID;
-	$file          = get_attached_file( $attachment_id );
-	$meta          = wp_get_attachment_metadata( $attachment_id );
-
-	if ( empty( $meta ) && file_exists( $file ) ) {
-		$_meta = get_post_meta( $attachment_id );
-		$_lock = 'wp_generating_att_' . $attachment_id;
-
-		if ( ! array_key_exists( '_wp_attachment_metadata', $_meta ) && ! get_transient( $_lock ) ) {
-			set_transient( $_lock, $file );
-			wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
-			delete_transient( $_lock );
-		}
-	}
-}
-
-/**
- * Tries to convert an attachment URL into a post ID.
- *
- * @since 4.0.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param string $url The URL to resolve.
- * @return int The found post ID, or 0 on failure.
- */
-function attachment_url_to_postid( $url ) {
-	global $wpdb;
-
-	$dir  = wp_get_upload_dir();
-	$path = $url;
-
-	$site_url   = parse_url( $dir['url'] );
-	$image_path = parse_url( $path );
-
-	//force the protocols to match if needed
-	if ( isset( $image_path['scheme'] ) && ( $image_path['scheme'] !== $site_url['scheme'] ) ) {
-		$path = str_replace( $image_path['scheme'], $site_url['scheme'], $path );
-	}
-
-	if ( 0 === strpos( $path, $dir['baseurl'] . '/' ) ) {
-		$path = substr( $path, strlen( $dir['baseurl'] . '/' ) );
-	}
-
-	$sql = $wpdb->prepare(
-		"SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attached_file' AND meta_value = %s",
-		$path
-	);
-
-	$post_id = $wpdb->get_var( $sql );
-
-	/**
-	 * Filters an attachment id found by URL.
-	 *
-	 * @since 4.2.0
-	 *
-	 * @param int|null $post_id The post_id (if any) found by the function.
-	 * @param string   $url     The URL being looked up.
-	 */
-	return (int) apply_filters( 'attachment_url_to_postid', $post_id, $url );
-}
-
-/**
- * Returns the URLs for CSS files used in an iframe-sandbox'd TinyMCE media view.
- *
- * @since 4.0.0
- *
- * @return array The relevant CSS file URLs.
- */
-function wpview_media_sandbox_styles() {
-	$version        = 'ver=' . get_bloginfo( 'version' );
-	$mediaelement   = includes_url( "js/mediaelement/mediaelementplayer-legacy.min.css?$version" );
-	$wpmediaelement = includes_url( "js/mediaelement/wp-mediaelement.css?$version" );
-
-	return array( $mediaelement, $wpmediaelement );
-}
-
-/**
- * Registers the personal data exporter for media
- *
- * @param array   $exporters   An array of personal data exporters.
- * @return array  An array of personal data exporters.
- */
-function wp_register_media_personal_data_exporter( $exporters ) {
-	$exporters['wordpress-media'] = array(
-		'exporter_friendly_name' => __( 'WordPress Media' ),
-		'callback'               => 'wp_media_personal_data_exporter',
-	);
-
-	return $exporters;
-}
-
-/**
- * Finds and exports attachments associated with an email address.
- *
- * @since 4.9.6
- *
- * @param  string $email_address The attachment owner email address.
- * @param  int    $page          Attachment page.
- * @return array  $return        An array of personal data.
- */
-function wp_media_personal_data_exporter( $email_address, $page = 1 ) {
-	// Limit us to 50 attachments at a time to avoid timing out.
-	$number = 50;
-	$page   = (int) $page;
-
-	$data_to_export = array();
-
-	$user = get_user_by( 'email', $email_address );
-	if ( false === $user ) {
-		return array(
-			'data' => $data_to_export,
-			'done' => true,
-		);
-	}
-
-	$post_query = new WP_Query(
-		array(
-			'author'         => $user->ID,
-			'posts_per_page' => $number,
-			'paged'          => $page,
-			'post_type'      => 'attachment',
-			'post_status'    => 'any',
-			'orderby'        => 'ID',
-			'order'          => 'ASC',
-		)
-	);
-
-	foreach ( (array) $post_query->posts as $post ) {
-		$attachment_url = wp_get_attachment_url( $post->ID );
-
-		if ( $attachment_url ) {
-			$post_data_to_export = array(
-				array(
-					'name'  => __( 'URL' ),
-					'value' => $attachment_url,
-				),
-			);
-
-			$data_to_export[] = array(
-				'group_id'          => 'media',
-				'group_label'       => __( 'Media' ),
-				'group_description' => __( 'User&#8217;s media data.' ),
-				'item_id'           => "post-{$post->ID}",
-				'data'              => $post_data_to_export,
-			);
-		}
-	}
-
-	$done = $post_query->max_num_pages <= $page;
-
-	return array(
-		'data' => $data_to_export,
-		'done' => $done,
-	);
-}
-
-/**
- * Add additional default image sub-sizes.
- *
- * These sizes are meant to enhance the way WordPress displays images on the front-end on larger,
- * high-density devices. They make it possible to generate more suitable `srcset` and `sizes` attributes
- * when the users upload large images.
- *
- * The sizes can be changed or removed by themes and plugins but that is not recommended.
- * The size "names" reflect the image dimensions, so changing the sizes would be quite misleading.
- *
- * @since 5.3.0
- * @access private
- */
-function _wp_add_additional_image_sizes() {
-	// 2x medium_large size
-	add_image_size( '1536x1536', 1536, 1536 );
-	// 2x large size
-	add_image_size( '2048x2048', 2048, 2048 );
-}