diff options
Diffstat (limited to 'srcs/wordpress/wp-includes/ID3')
19 files changed, 0 insertions, 25044 deletions
diff --git a/srcs/wordpress/wp-includes/ID3/getid3.lib.php b/srcs/wordpress/wp-includes/ID3/getid3.lib.php deleted file mode 100644 index 1d51e8c..0000000 --- a/srcs/wordpress/wp-includes/ID3/getid3.lib.php +++ /dev/null @@ -1,1781 +0,0 @@ -<?php - -///////////////////////////////////////////////////////////////// -/// getID3() by James Heinrich <info@getid3.org> // -// available at https://github.com/JamesHeinrich/getID3 // -// or https://www.getid3.org // -// or http://getid3.sourceforge.net // -// // -// getid3.lib.php - part of getID3() // -// see readme.txt for more details // -// /// -///////////////////////////////////////////////////////////////// - - -class getid3_lib -{ - /** - * @param string $string - * @param bool $hex - * @param bool $spaces - * @param string $htmlencoding - * - * @return string - */ - public static function PrintHexBytes($string, $hex=true, $spaces=true, $htmlencoding='UTF-8') { - $returnstring = ''; - for ($i = 0; $i < strlen($string); $i++) { - if ($hex) { - $returnstring .= str_pad(dechex(ord($string[$i])), 2, '0', STR_PAD_LEFT); - } else { - $returnstring .= ' '.(preg_match("#[\x20-\x7E]#", $string[$i]) ? $string[$i] : '¤'); - } - if ($spaces) { - $returnstring .= ' '; - } - } - if (!empty($htmlencoding)) { - if ($htmlencoding === true) { - $htmlencoding = 'UTF-8'; // prior to getID3 v1.9.0 the function's 4th parameter was boolean - } - $returnstring = htmlentities($returnstring, ENT_QUOTES, $htmlencoding); - } - return $returnstring; - } - - /** - * Truncates a floating-point number at the decimal point. - * - * @param float $floatnumber - * - * @return float|int returns int (if possible, otherwise float) - */ - public static function trunc($floatnumber) { - if ($floatnumber >= 1) { - $truncatednumber = floor($floatnumber); - } elseif ($floatnumber <= -1) { - $truncatednumber = ceil($floatnumber); - } else { - $truncatednumber = 0; - } - if (self::intValueSupported($truncatednumber)) { - $truncatednumber = (int) $truncatednumber; - } - return $truncatednumber; - } - - /** - * @param int|null $variable - * @param int $increment - * - * @return bool - */ - public static function safe_inc(&$variable, $increment=1) { - if (isset($variable)) { - $variable += $increment; - } else { - $variable = $increment; - } - return true; - } - - /** - * @param int|float $floatnum - * - * @return int|float - */ - public static function CastAsInt($floatnum) { - // convert to float if not already - $floatnum = (float) $floatnum; - - // convert a float to type int, only if possible - if (self::trunc($floatnum) == $floatnum) { - // it's not floating point - if (self::intValueSupported($floatnum)) { - // it's within int range - $floatnum = (int) $floatnum; - } - } - return $floatnum; - } - - /** - * @param int $num - * - * @return bool - */ - public static function intValueSupported($num) { - // check if integers are 64-bit - static $hasINT64 = null; - if ($hasINT64 === null) { // 10x faster than is_null() - $hasINT64 = is_int(pow(2, 31)); // 32-bit int are limited to (2^31)-1 - if (!$hasINT64 && !defined('PHP_INT_MIN')) { - define('PHP_INT_MIN', ~PHP_INT_MAX); - } - } - // if integers are 64-bit - no other check required - if ($hasINT64 || (($num <= PHP_INT_MAX) && ($num >= PHP_INT_MIN))) { - return true; - } - return false; - } - - /** - * @param string $fraction - * - * @return float - */ - public static function DecimalizeFraction($fraction) { - list($numerator, $denominator) = explode('/', $fraction); - return $numerator / ($denominator ? $denominator : 1); - } - - /** - * @param string $binarynumerator - * - * @return float - */ - public static function DecimalBinary2Float($binarynumerator) { - $numerator = self::Bin2Dec($binarynumerator); - $denominator = self::Bin2Dec('1'.str_repeat('0', strlen($binarynumerator))); - return ($numerator / $denominator); - } - - /** - * @link http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/binary.html - * - * @param string $binarypointnumber - * @param int $maxbits - * - * @return array - */ - public static function NormalizeBinaryPoint($binarypointnumber, $maxbits=52) { - if (strpos($binarypointnumber, '.') === false) { - $binarypointnumber = '0.'.$binarypointnumber; - } elseif ($binarypointnumber[0] == '.') { - $binarypointnumber = '0'.$binarypointnumber; - } - $exponent = 0; - while (($binarypointnumber[0] != '1') || (substr($binarypointnumber, 1, 1) != '.')) { - if (substr($binarypointnumber, 1, 1) == '.') { - $exponent--; - $binarypointnumber = substr($binarypointnumber, 2, 1).'.'.substr($binarypointnumber, 3); - } else { - $pointpos = strpos($binarypointnumber, '.'); - $exponent += ($pointpos - 1); - $binarypointnumber = str_replace('.', '', $binarypointnumber); - $binarypointnumber = $binarypointnumber[0].'.'.substr($binarypointnumber, 1); - } - } - $binarypointnumber = str_pad(substr($binarypointnumber, 0, $maxbits + 2), $maxbits + 2, '0', STR_PAD_RIGHT); - return array('normalized'=>$binarypointnumber, 'exponent'=>(int) $exponent); - } - - /** - * @link http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/binary.html - * - * @param float $floatvalue - * - * @return string - */ - public static function Float2BinaryDecimal($floatvalue) { - $maxbits = 128; // to how many bits of precision should the calculations be taken? - $intpart = self::trunc($floatvalue); - $floatpart = abs($floatvalue - $intpart); - $pointbitstring = ''; - while (($floatpart != 0) && (strlen($pointbitstring) < $maxbits)) { - $floatpart *= 2; - $pointbitstring .= (string) self::trunc($floatpart); - $floatpart -= self::trunc($floatpart); - } - $binarypointnumber = decbin($intpart).'.'.$pointbitstring; - return $binarypointnumber; - } - - /** - * @link http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee-expl.html - * - * @param float $floatvalue - * @param int $bits - * - * @return string|false - */ - public static function Float2String($floatvalue, $bits) { - $exponentbits = 0; - $fractionbits = 0; - switch ($bits) { - case 32: - $exponentbits = 8; - $fractionbits = 23; - break; - - case 64: - $exponentbits = 11; - $fractionbits = 52; - break; - - default: - return false; - break; - } - if ($floatvalue >= 0) { - $signbit = '0'; - } else { - $signbit = '1'; - } - $normalizedbinary = self::NormalizeBinaryPoint(self::Float2BinaryDecimal($floatvalue), $fractionbits); - $biasedexponent = pow(2, $exponentbits - 1) - 1 + $normalizedbinary['exponent']; // (127 or 1023) +/- exponent - $exponentbitstring = str_pad(decbin($biasedexponent), $exponentbits, '0', STR_PAD_LEFT); - $fractionbitstring = str_pad(substr($normalizedbinary['normalized'], 2), $fractionbits, '0', STR_PAD_RIGHT); - - return self::BigEndian2String(self::Bin2Dec($signbit.$exponentbitstring.$fractionbitstring), $bits % 8, false); - } - - /** - * @param string $byteword - * - * @return float|false - */ - public static function LittleEndian2Float($byteword) { - return self::BigEndian2Float(strrev($byteword)); - } - - /** - * ANSI/IEEE Standard 754-1985, Standard for Binary Floating Point Arithmetic - * - * @link http://www.psc.edu/general/software/packages/ieee/ieee.html - * @link http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee.html - * - * @param string $byteword - * - * @return float|false - */ - public static function BigEndian2Float($byteword) { - $bitword = self::BigEndian2Bin($byteword); - if (!$bitword) { - return 0; - } - $signbit = $bitword[0]; - $floatvalue = 0; - $exponentbits = 0; - $fractionbits = 0; - - switch (strlen($byteword) * 8) { - case 32: - $exponentbits = 8; - $fractionbits = 23; - break; - - case 64: - $exponentbits = 11; - $fractionbits = 52; - break; - - case 80: - // 80-bit Apple SANE format - // http://www.mactech.com/articles/mactech/Vol.06/06.01/SANENormalized/ - $exponentstring = substr($bitword, 1, 15); - $isnormalized = intval($bitword[16]); - $fractionstring = substr($bitword, 17, 63); - $exponent = pow(2, self::Bin2Dec($exponentstring) - 16383); - $fraction = $isnormalized + self::DecimalBinary2Float($fractionstring); - $floatvalue = $exponent * $fraction; - if ($signbit == '1') { - $floatvalue *= -1; - } - return $floatvalue; - break; - - default: - return false; - break; - } - $exponentstring = substr($bitword, 1, $exponentbits); - $fractionstring = substr($bitword, $exponentbits + 1, $fractionbits); - $exponent = self::Bin2Dec($exponentstring); - $fraction = self::Bin2Dec($fractionstring); - - if (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction != 0)) { - // Not a Number - $floatvalue = false; - } elseif (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction == 0)) { - if ($signbit == '1') { - $floatvalue = '-infinity'; - } else { - $floatvalue = '+infinity'; - } - } elseif (($exponent == 0) && ($fraction == 0)) { - if ($signbit == '1') { - $floatvalue = -0; - } else { - $floatvalue = 0; - } - $floatvalue = ($signbit ? 0 : -0); - } elseif (($exponent == 0) && ($fraction != 0)) { - // These are 'unnormalized' values - $floatvalue = pow(2, (-1 * (pow(2, $exponentbits - 1) - 2))) * self::DecimalBinary2Float($fractionstring); - if ($signbit == '1') { - $floatvalue *= -1; - } - } elseif ($exponent != 0) { - $floatvalue = pow(2, ($exponent - (pow(2, $exponentbits - 1) - 1))) * (1 + self::DecimalBinary2Float($fractionstring)); - if ($signbit == '1') { - $floatvalue *= -1; - } - } - return (float) $floatvalue; - } - - /** - * @param string $byteword - * @param bool $synchsafe - * @param bool $signed - * - * @return int|float|false - * @throws Exception - */ - public static function BigEndian2Int($byteword, $synchsafe=false, $signed=false) { - $intvalue = 0; - $bytewordlen = strlen($byteword); - if ($bytewordlen == 0) { - return false; - } - for ($i = 0; $i < $bytewordlen; $i++) { - if ($synchsafe) { // disregard MSB, effectively 7-bit bytes - //$intvalue = $intvalue | (ord($byteword{$i}) & 0x7F) << (($bytewordlen - 1 - $i) * 7); // faster, but runs into problems past 2^31 on 32-bit systems - $intvalue += (ord($byteword[$i]) & 0x7F) * pow(2, ($bytewordlen - 1 - $i) * 7); - } else { - $intvalue += ord($byteword[$i]) * pow(256, ($bytewordlen - 1 - $i)); - } - } - if ($signed && !$synchsafe) { - // synchsafe ints are not allowed to be signed - if ($bytewordlen <= PHP_INT_SIZE) { - $signMaskBit = 0x80 << (8 * ($bytewordlen - 1)); - if ($intvalue & $signMaskBit) { - $intvalue = 0 - ($intvalue & ($signMaskBit - 1)); - } - } else { - throw new Exception('ERROR: Cannot have signed integers larger than '.(8 * PHP_INT_SIZE).'-bits ('.strlen($byteword).') in self::BigEndian2Int()'); - } - } - return self::CastAsInt($intvalue); - } - - /** - * @param string $byteword - * @param bool $signed - * - * @return int|float|false - */ - public static function LittleEndian2Int($byteword, $signed=false) { - return self::BigEndian2Int(strrev($byteword), false, $signed); - } - - /** - * @param string $byteword - * - * @return string - */ - public static function LittleEndian2Bin($byteword) { - return self::BigEndian2Bin(strrev($byteword)); - } - - /** - * @param string $byteword - * - * @return string - */ - public static function BigEndian2Bin($byteword) { - $binvalue = ''; - $bytewordlen = strlen($byteword); - for ($i = 0; $i < $bytewordlen; $i++) { - $binvalue .= str_pad(decbin(ord($byteword[$i])), 8, '0', STR_PAD_LEFT); - } - return $binvalue; - } - - /** - * @param int $number - * @param int $minbytes - * @param bool $synchsafe - * @param bool $signed - * - * @return string - * @throws Exception - */ - public static function BigEndian2String($number, $minbytes=1, $synchsafe=false, $signed=false) { - if ($number < 0) { - throw new Exception('ERROR: self::BigEndian2String() does not support negative numbers'); - } - $maskbyte = (($synchsafe || $signed) ? 0x7F : 0xFF); - $intstring = ''; - if ($signed) { - if ($minbytes > PHP_INT_SIZE) { - throw new Exception('ERROR: Cannot have signed integers larger than '.(8 * PHP_INT_SIZE).'-bits in self::BigEndian2String()'); - } - $number = $number & (0x80 << (8 * ($minbytes - 1))); - } - while ($number != 0) { - $quotient = ($number / ($maskbyte + 1)); - $intstring = chr(ceil(($quotient - floor($quotient)) * $maskbyte)).$intstring; - $number = floor($quotient); - } - return str_pad($intstring, $minbytes, "\x00", STR_PAD_LEFT); - } - - /** - * @param int $number - * - * @return string - */ - public static function Dec2Bin($number) { - while ($number >= 256) { - $bytes[] = (($number / 256) - (floor($number / 256))) * 256; - $number = floor($number / 256); - } - $bytes[] = $number; - $binstring = ''; - for ($i = 0; $i < count($bytes); $i++) { - $binstring = (($i == count($bytes) - 1) ? decbin($bytes[$i]) : str_pad(decbin($bytes[$i]), 8, '0', STR_PAD_LEFT)).$binstring; - } - return $binstring; - } - - /** - * @param string $binstring - * @param bool $signed - * - * @return int|float - */ - public static function Bin2Dec($binstring, $signed=false) { - $signmult = 1; - if ($signed) { - if ($binstring[0] == '1') { - $signmult = -1; - } - $binstring = substr($binstring, 1); - } - $decvalue = 0; - for ($i = 0; $i < strlen($binstring); $i++) { - $decvalue += ((int) substr($binstring, strlen($binstring) - $i - 1, 1)) * pow(2, $i); - } - return self::CastAsInt($decvalue * $signmult); - } - - /** - * @param string $binstring - * - * @return string - */ - public static function Bin2String($binstring) { - // return 'hi' for input of '0110100001101001' - $string = ''; - $binstringreversed = strrev($binstring); - for ($i = 0; $i < strlen($binstringreversed); $i += 8) { - $string = chr(self::Bin2Dec(strrev(substr($binstringreversed, $i, 8)))).$string; - } - return $string; - } - - /** - * @param int $number - * @param int $minbytes - * @param bool $synchsafe - * - * @return string - */ - public static function LittleEndian2String($number, $minbytes=1, $synchsafe=false) { - $intstring = ''; - while ($number > 0) { - if ($synchsafe) { - $intstring = $intstring.chr($number & 127); - $number >>= 7; - } else { - $intstring = $intstring.chr($number & 255); - $number >>= 8; - } - } - return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT); - } - - /** - * @param array $array1 - * @param array $array2 - * - * @return array|false - */ - public static function array_merge_clobber($array1, $array2) { - // written by kcØhireability*com - // taken from http://www.php.net/manual/en/function.array-merge-recursive.php - if (!is_array($array1) || !is_array($array2)) { - return false; - } - $newarray = $array1; - foreach ($array2 as $key => $val) { - if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) { - $newarray[$key] = self::array_merge_clobber($newarray[$key], $val); - } else { - $newarray[$key] = $val; - } - } - return $newarray; - } - - /** - * @param array $array1 - * @param array $array2 - * - * @return array|false - */ - public static function array_merge_noclobber($array1, $array2) { - if (!is_array($array1) || !is_array($array2)) { - return false; - } - $newarray = $array1; - foreach ($array2 as $key => $val) { - if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) { - $newarray[$key] = self::array_merge_noclobber($newarray[$key], $val); - } elseif (!isset($newarray[$key])) { - $newarray[$key] = $val; - } - } - return $newarray; - } - - /** - * @param array $array1 - * @param array $array2 - * - * @return array|false|null - */ - public static function flipped_array_merge_noclobber($array1, $array2) { - if (!is_array($array1) || !is_array($array2)) { - return false; - } - # naturally, this only works non-recursively - $newarray = array_flip($array1); - foreach (array_flip($array2) as $key => $val) { - if (!isset($newarray[$key])) { - $newarray[$key] = count($newarray); - } - } - return array_flip($newarray); - } - - /** - * @param array $theArray - * - * @return bool - */ - public static function ksort_recursive(&$theArray) { - ksort($theArray); - foreach ($theArray as $key => $value) { - if (is_array($value)) { - self::ksort_recursive($theArray[$key]); - } - } - return true; - } - - /** - * @param string $filename - * @param int $numextensions - * - * @return string - */ - public static function fileextension($filename, $numextensions=1) { - if (strstr($filename, '.')) { - $reversedfilename = strrev($filename); - $offset = 0; - for ($i = 0; $i < $numextensions; $i++) { - $offset = strpos($reversedfilename, '.', $offset + 1); - if ($offset === false) { - return ''; - } - } - return strrev(substr($reversedfilename, 0, $offset)); - } - return ''; - } - - /** - * @param int $seconds - * - * @return string - */ - public static function PlaytimeString($seconds) { - $sign = (($seconds < 0) ? '-' : ''); - $seconds = round(abs($seconds)); - $H = (int) floor( $seconds / 3600); - $M = (int) floor(($seconds - (3600 * $H) ) / 60); - $S = (int) round( $seconds - (3600 * $H) - (60 * $M) ); - return $sign.($H ? $H.':' : '').($H ? str_pad($M, 2, '0', STR_PAD_LEFT) : intval($M)).':'.str_pad($S, 2, 0, STR_PAD_LEFT); - } - - /** - * @param int $macdate - * - * @return int|float - */ - public static function DateMac2Unix($macdate) { - // Macintosh timestamp: seconds since 00:00h January 1, 1904 - // UNIX timestamp: seconds since 00:00h January 1, 1970 - return self::CastAsInt($macdate - 2082844800); - } - - /** - * @param string $rawdata - * - * @return float - */ - public static function FixedPoint8_8($rawdata) { - return self::BigEndian2Int(substr($rawdata, 0, 1)) + (float) (self::BigEndian2Int(substr($rawdata, 1, 1)) / pow(2, 8)); - } - - /** - * @param string $rawdata - * - * @return float - */ - public static function FixedPoint16_16($rawdata) { - return self::BigEndian2Int(substr($rawdata, 0, 2)) + (float) (self::BigEndian2Int(substr($rawdata, 2, 2)) / pow(2, 16)); - } - - /** - * @param string $rawdata - * - * @return float - */ - public static function FixedPoint2_30($rawdata) { - $binarystring = self::BigEndian2Bin($rawdata); - return self::Bin2Dec(substr($binarystring, 0, 2)) + (float) (self::Bin2Dec(substr($binarystring, 2, 30)) / pow(2, 30)); - } - - - /** - * @param string $ArrayPath - * @param string $Separator - * @param mixed $Value - * - * @return array - */ - public static function CreateDeepArray($ArrayPath, $Separator, $Value) { - // assigns $Value to a nested array path: - // $foo = self::CreateDeepArray('/path/to/my', '/', 'file.txt') - // is the same as: - // $foo = array('path'=>array('to'=>'array('my'=>array('file.txt')))); - // or - // $foo['path']['to']['my'] = 'file.txt'; - $ArrayPath = ltrim($ArrayPath, $Separator); - if (($pos = strpos($ArrayPath, $Separator)) !== false) { - $ReturnedArray[substr($ArrayPath, 0, $pos)] = self::CreateDeepArray(substr($ArrayPath, $pos + 1), $Separator, $Value); - } else { - $ReturnedArray[$ArrayPath] = $Value; - } - return $ReturnedArray; - } - - /** - * @param array $arraydata - * @param bool $returnkey - * - * @return int|false - */ - public static function array_max($arraydata, $returnkey=false) { - $maxvalue = false; - $maxkey = false; - foreach ($arraydata as $key => $value) { - if (!is_array($value)) { - if ($value > $maxvalue) { - $maxvalue = $value; - $maxkey = $key; - } - } - } - return ($returnkey ? $maxkey : $maxvalue); - } - - /** - * @param array $arraydata - * @param bool $returnkey - * - * @return int|false - */ - public static function array_min($arraydata, $returnkey=false) { - $minvalue = false; - $minkey = false; - foreach ($arraydata as $key => $value) { - if (!is_array($value)) { - if ($value > $minvalue) { - $minvalue = $value; - $minkey = $key; - } - } - } - return ($returnkey ? $minkey : $minvalue); - } - - /** - * @param string $XMLstring - * - * @return array|false - */ - public static function XML2array($XMLstring) { - if (function_exists('simplexml_load_string') && function_exists('libxml_disable_entity_loader')) { - // http://websec.io/2012/08/27/Preventing-XEE-in-PHP.html - // https://core.trac.wordpress.org/changeset/29378 - $loader = libxml_disable_entity_loader(true); - $XMLobject = simplexml_load_string($XMLstring, 'SimpleXMLElement', LIBXML_NOENT); - $return = self::SimpleXMLelement2array($XMLobject); - libxml_disable_entity_loader($loader); - return $return; - } - return false; - } - - /** - * @param SimpleXMLElement|array $XMLobject - * - * @return array - */ - public static function SimpleXMLelement2array($XMLobject) { - if (!is_object($XMLobject) && !is_array($XMLobject)) { - return $XMLobject; - } - $XMLarray = $XMLobject instanceof SimpleXMLElement ? get_object_vars($XMLobject) : $XMLobject; - foreach ($XMLarray as $key => $value) { - $XMLarray[$key] = self::SimpleXMLelement2array($value); - } - return $XMLarray; - } - - /** - * Returns checksum for a file from starting position to absolute end position. - * - * @param string $file - * @param int $offset - * @param int $end - * @param string $algorithm - * - * @return string|false - * @throws getid3_exception - */ - public static function hash_data($file, $offset, $end, $algorithm) { - if (!self::intValueSupported($end)) { - return false; - } - if (!in_array($algorithm, array('md5', 'sha1'))) { - throw new getid3_exception('Invalid algorithm ('.$algorithm.') in self::hash_data()'); - } - - $size = $end - $offset; - - $fp = fopen($file, 'rb'); - fseek($fp, $offset); - $ctx = hash_init($algorithm); - while ($size > 0) { - $buffer = fread($fp, min($size, getID3::FREAD_BUFFER_SIZE)); - hash_update($ctx, $buffer); - $size -= getID3::FREAD_BUFFER_SIZE; - } - $hash = hash_final($ctx); - fclose($fp); - - return $hash; - } - - /** - * @param string $filename_source - * @param string $filename_dest - * @param int $offset - * @param int $length - * - * @return bool - * @throws Exception - * - * @deprecated Unused, may be removed in future versions of getID3 - */ - public static function CopyFileParts($filename_source, $filename_dest, $offset, $length) { - if (!self::intValueSupported($offset + $length)) { - throw new Exception('cannot copy file portion, it extends beyond the '.round(PHP_INT_MAX / 1073741824).'GB limit'); - } - if (is_readable($filename_source) && is_file($filename_source) && ($fp_src = fopen($filename_source, 'rb'))) { - if (($fp_dest = fopen($filename_dest, 'wb'))) { - if (fseek($fp_src, $offset) == 0) { - $byteslefttowrite = $length; - while (($byteslefttowrite > 0) && ($buffer = fread($fp_src, min($byteslefttowrite, getID3::FREAD_BUFFER_SIZE)))) { - $byteswritten = fwrite($fp_dest, $buffer, $byteslefttowrite); - $byteslefttowrite -= $byteswritten; - } - fclose($fp_dest); - return true; - } else { - fclose($fp_src); - throw new Exception('failed to seek to offset '.$offset.' in '.$filename_source); - } - } else { - throw new Exception('failed to create file for writing '.$filename_dest); - } - } else { - throw new Exception('failed to open file for reading '.$filename_source); - } - } - - /** - * @param int $charval - * - * @return string - */ - public static function iconv_fallback_int_utf8($charval) { - if ($charval < 128) { - // 0bbbbbbb - $newcharstring = chr($charval); - } elseif ($charval < 2048) { - // 110bbbbb 10bbbbbb - $newcharstring = chr(($charval >> 6) | 0xC0); - $newcharstring .= chr(($charval & 0x3F) | 0x80); - } elseif ($charval < 65536) { - // 1110bbbb 10bbbbbb 10bbbbbb - $newcharstring = chr(($charval >> 12) | 0xE0); - $newcharstring .= chr(($charval >> 6) | 0xC0); - $newcharstring .= chr(($charval & 0x3F) | 0x80); - } else { - // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb - $newcharstring = chr(($charval >> 18) | 0xF0); - $newcharstring .= chr(($charval >> 12) | 0xC0); - $newcharstring .= chr(($charval >> 6) | 0xC0); - $newcharstring .= chr(($charval & 0x3F) | 0x80); - } - return $newcharstring; - } - - /** - * ISO-8859-1 => UTF-8 - * - * @param string $string - * @param bool $bom - * - * @return string - */ - public static function iconv_fallback_iso88591_utf8($string, $bom=false) { - if (function_exists('utf8_encode')) { - return utf8_encode($string); - } - // utf8_encode() unavailable, use getID3()'s iconv_fallback() conversions (possibly PHP is compiled without XML support) - $newcharstring = ''; - if ($bom) { - $newcharstring .= "\xEF\xBB\xBF"; - } - for ($i = 0; $i < strlen($string); $i++) { - $charval = ord($string[$i]); - $newcharstring .= self::iconv_fallback_int_utf8($charval); - } - return $newcharstring; - } - - /** - * ISO-8859-1 => UTF-16BE - * - * @param string $string - * @param bool $bom - * - * @return string - */ - public static function iconv_fallback_iso88591_utf16be($string, $bom=false) { - $newcharstring = ''; - if ($bom) { - $newcharstring .= "\xFE\xFF"; - } - for ($i = 0; $i < strlen($string); $i++) { - $newcharstring .= "\x00".$string[$i]; - } - return $newcharstring; - } - - /** - * ISO-8859-1 => UTF-16LE - * - * @param string $string - * @param bool $bom - * - * @return string - */ - public static function iconv_fallback_iso88591_utf16le($string, $bom=false) { - $newcharstring = ''; - if ($bom) { - $newcharstring .= "\xFF\xFE"; - } - for ($i = 0; $i < strlen($string); $i++) { - $newcharstring .= $string[$i]."\x00"; - } - return $newcharstring; - } - - /** - * ISO-8859-1 => UTF-16LE (BOM) - * - * @param string $string - * - * @return string - */ - public static function iconv_fallback_iso88591_utf16($string) { - return self::iconv_fallback_iso88591_utf16le($string, true); - } - - /** - * UTF-8 => ISO-8859-1 - * - * @param string $string - * - * @return string - */ - public static function iconv_fallback_utf8_iso88591($string) { - if (function_exists('utf8_decode')) { - return utf8_decode($string); - } - // utf8_decode() unavailable, use getID3()'s iconv_fallback() conversions (possibly PHP is compiled without XML support) - $newcharstring = ''; - $offset = 0; - $stringlength = strlen($string); - while ($offset < $stringlength) { - if ((ord($string[$offset]) | 0x07) == 0xF7) { - // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb - $charval = ((ord($string[($offset + 0)]) & 0x07) << 18) & - ((ord($string[($offset + 1)]) & 0x3F) << 12) & - ((ord($string[($offset + 2)]) & 0x3F) << 6) & - (ord($string[($offset + 3)]) & 0x3F); - $offset += 4; - } elseif ((ord($string[$offset]) | 0x0F) == 0xEF) { - // 1110bbbb 10bbbbbb 10bbbbbb - $charval = ((ord($string[($offset + 0)]) & 0x0F) << 12) & - ((ord($string[($offset + 1)]) & 0x3F) << 6) & - (ord($string[($offset + 2)]) & 0x3F); - $offset += 3; - } elseif ((ord($string[$offset]) | 0x1F) == 0xDF) { - // 110bbbbb 10bbbbbb - $charval = ((ord($string[($offset + 0)]) & 0x1F) << 6) & - (ord($string[($offset + 1)]) & 0x3F); - $offset += 2; - } elseif ((ord($string[$offset]) | 0x7F) == 0x7F) { - // 0bbbbbbb - $charval = ord($string[$offset]); - $offset += 1; - } else { - // error? throw some kind of warning here? - $charval = false; - $offset += 1; - } - if ($charval !== false) { - $newcharstring .= (($charval < 256) ? chr($charval) : '?'); - } - } - return $newcharstring; - } - - /** - * UTF-8 => UTF-16BE - * - * @param string $string - * @param bool $bom - * - * @return string - */ - public static function iconv_fallback_utf8_utf16be($string, $bom=false) { - $newcharstring = ''; - if ($bom) { - $newcharstring .= "\xFE\xFF"; - } - $offset = 0; - $stringlength = strlen($string); - while ($offset < $stringlength) { - if ((ord($string[$offset]) | 0x07) == 0xF7) { - // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb - $charval = ((ord($string[($offset + 0)]) & 0x07) << 18) & - ((ord($string[($offset + 1)]) & 0x3F) << 12) & - ((ord($string[($offset + 2)]) & 0x3F) << 6) & - (ord($string[($offset + 3)]) & 0x3F); - $offset += 4; - } elseif ((ord($string[$offset]) | 0x0F) == 0xEF) { - // 1110bbbb 10bbbbbb 10bbbbb |