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<?php
/**
* Server-side rendering of the `core/block` block.
*
* @package WordPress
*/
/**
* Renders the `core/block` block on server.
*
* @param array $attributes The block attributes.
*
* @return string Rendered HTML of the referenced block.
*/
function render_block_core_block( $attributes ) {
if ( empty( $attributes['ref'] ) ) {
return '';
}
$reusable_block = get_post( $attributes['ref'] );
if ( ! $reusable_block || 'wp_block' !== $reusable_block->post_type ) {
return '';
}
if ( 'publish' !== $reusable_block->post_status || ! empty( $reusable_block->post_password ) ) {
return '';
}
return do_blocks( $reusable_block->post_content );
}
/**
* Registers the `core/block` block.
*/
function register_block_core_block() {
register_block_type(
'core/block',
array(
'attributes' => array(
'ref' => array(
'type' => 'number',
),
),
'render_callback' => 'render_block_core_block',
)
);
}
add_action( 'init', 'register_block_core_block' );
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