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Code source de LifeType 1.2.4 |
1 <?php 2 ///////////////////////////////////////////////////////////////// 3 /// getID3() by James Heinrich <info@getid3.org> // 4 // available at http://getid3.sourceforge.net // 5 // or http://www.getid3.org // 6 ///////////////////////////////////////////////////////////////// 7 // // 8 // getid3.lib.php - part of getID3() // 9 // See readme.txt for more details // 10 // /// 11 ///////////////////////////////////////////////////////////////// 12 13 14 class getid3_lib 15 { 16 17 function PrintHexBytes($string, $hex=true, $spaces=true, $htmlsafe=true) { 18 $returnstring = ''; 19 for ($i = 0; $i < strlen($string); $i++) { 20 if ($hex) { 21 $returnstring .= str_pad(dechex(ord($string{$i})), 2, '0', STR_PAD_LEFT); 22 } else { 23 $returnstring .= ' '.(ereg("[\x20-\x7E]", $string{$i}) ? $string{$i} : '¤'); 24 } 25 if ($spaces) { 26 $returnstring .= ' '; 27 } 28 } 29 if ($htmlsafe) { 30 $returnstring = htmlentities($returnstring); 31 } 32 return $returnstring; 33 } 34 35 function SafeStripSlashes($text) { 36 if (get_magic_quotes_gpc()) { 37 return stripslashes($text); 38 } 39 return $text; 40 } 41 42 43 function trunc($floatnumber) { 44 // truncates a floating-point number at the decimal point 45 // returns int (if possible, otherwise float) 46 if ($floatnumber >= 1) { 47 $truncatednumber = floor($floatnumber); 48 } elseif ($floatnumber <= -1) { 49 $truncatednumber = ceil($floatnumber); 50 } else { 51 $truncatednumber = 0; 52 } 53 if ($truncatednumber <= 1073741824) { // 2^30 54 $truncatednumber = (int) $truncatednumber; 55 } 56 return $truncatednumber; 57 } 58 59 60 function CastAsInt($floatnum) { 61 // convert to float if not already 62 $floatnum = (float) $floatnum; 63 64 // convert a float to type int, only if possible 65 if (getid3_lib::trunc($floatnum) == $floatnum) { 66 // it's not floating point 67 if ($floatnum <= 1073741824) { // 2^30 68 // it's within int range 69 $floatnum = (int) $floatnum; 70 } 71 } 72 return $floatnum; 73 } 74 75 76 function DecimalBinary2Float($binarynumerator) { 77 $numerator = getid3_lib::Bin2Dec($binarynumerator); 78 $denominator = getid3_lib::Bin2Dec('1'.str_repeat('0', strlen($binarynumerator))); 79 return ($numerator / $denominator); 80 } 81 82 83 function NormalizeBinaryPoint($binarypointnumber, $maxbits=52) { 84 // http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/binary.html 85 if (strpos($binarypointnumber, '.') === false) { 86 $binarypointnumber = '0.'.$binarypointnumber; 87 } elseif ($binarypointnumber{0} == '.') { 88 $binarypointnumber = '0'.$binarypointnumber; 89 } 90 $exponent = 0; 91 while (($binarypointnumber{0} != '1') || (substr($binarypointnumber, 1, 1) != '.')) { 92 if (substr($binarypointnumber, 1, 1) == '.') { 93 $exponent--; 94 $binarypointnumber = substr($binarypointnumber, 2, 1).'.'.substr($binarypointnumber, 3); 95 } else { 96 $pointpos = strpos($binarypointnumber, '.'); 97 $exponent += ($pointpos - 1); 98 $binarypointnumber = str_replace('.', '', $binarypointnumber); 99 $binarypointnumber = $binarypointnumber{0}.'.'.substr($binarypointnumber, 1); 100 } 101 } 102 $binarypointnumber = str_pad(substr($binarypointnumber, 0, $maxbits + 2), $maxbits + 2, '0', STR_PAD_RIGHT); 103 return array('normalized'=>$binarypointnumber, 'exponent'=>(int) $exponent); 104 } 105 106 107 function Float2BinaryDecimal($floatvalue) { 108 // http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/binary.html 109 $maxbits = 128; // to how many bits of precision should the calculations be taken? 110 $intpart = getid3_lib::trunc($floatvalue); 111 $floatpart = abs($floatvalue - $intpart); 112 $pointbitstring = ''; 113 while (($floatpart != 0) && (strlen($pointbitstring) < $maxbits)) { 114 $floatpart *= 2; 115 $pointbitstring .= (string) getid3_lib::trunc($floatpart); 116 $floatpart -= getid3_lib::trunc($floatpart); 117 } 118 $binarypointnumber = decbin($intpart).'.'.$pointbitstring; 119 return $binarypointnumber; 120 } 121 122 123 function Float2String($floatvalue, $bits) { 124 // http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee-expl.html 125 switch ($bits) { 126 case 32: 127 $exponentbits = 8; 128 $fractionbits = 23; 129 break; 130 131 case 64: 132 $exponentbits = 11; 133 $fractionbits = 52; 134 break; 135 136 default: 137 return false; 138 break; 139 } 140 if ($floatvalue >= 0) { 141 $signbit = '0'; 142 } else { 143 $signbit = '1'; 144 } 145 $normalizedbinary = getid3_lib::NormalizeBinaryPoint(getid3_lib::Float2BinaryDecimal($floatvalue), $fractionbits); 146 $biasedexponent = pow(2, $exponentbits - 1) - 1 + $normalizedbinary['exponent']; // (127 or 1023) +/- exponent 147 $exponentbitstring = str_pad(decbin($biasedexponent), $exponentbits, '0', STR_PAD_LEFT); 148 $fractionbitstring = str_pad(substr($normalizedbinary['normalized'], 2), $fractionbits, '0', STR_PAD_RIGHT); 149 150 return getid3_lib::BigEndian2String(getid3_lib::Bin2Dec($signbit.$exponentbitstring.$fractionbitstring), $bits % 8, false); 151 } 152 153 154 function LittleEndian2Float($byteword) { 155 return getid3_lib::BigEndian2Float(strrev($byteword)); 156 } 157 158 159 function BigEndian2Float($byteword) { 160 // ANSI/IEEE Standard 754-1985, Standard for Binary Floating Point Arithmetic 161 // http://www.psc.edu/general/software/packages/ieee/ieee.html 162 // http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee.html 163 164 $bitword = getid3_lib::BigEndian2Bin($byteword); 165 $signbit = $bitword{0}; 166 167 switch (strlen($byteword) * 8) { 168 case 32: 169 $exponentbits = 8; 170 $fractionbits = 23; 171 break; 172 173 case 64: 174 $exponentbits = 11; 175 $fractionbits = 52; 176 break; 177 178 case 80: 179 // 80-bit Apple SANE format 180 // http://www.mactech.com/articles/mactech/Vol.06/06.01/SANENormalized/ 181 $exponentstring = substr($bitword, 1, 15); 182 $isnormalized = intval($bitword{16}); 183 $fractionstring = substr($bitword, 17, 63); 184 $exponent = pow(2, getid3_lib::Bin2Dec($exponentstring) - 16383); 185 $fraction = $isnormalized + getid3_lib::DecimalBinary2Float($fractionstring); 186 $floatvalue = $exponent * $fraction; 187 if ($signbit == '1') { 188 $floatvalue *= -1; 189 } 190 return $floatvalue; 191 break; 192 193 default: 194 return false; 195 break; 196 } 197 $exponentstring = substr($bitword, 1, $exponentbits); 198 $fractionstring = substr($bitword, $exponentbits + 1, $fractionbits); 199 $exponent = getid3_lib::Bin2Dec($exponentstring); 200 $fraction = getid3_lib::Bin2Dec($fractionstring); 201 202 if (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction != 0)) { 203 // Not a Number 204 $floatvalue = false; 205 } elseif (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction == 0)) { 206 if ($signbit == '1') { 207 $floatvalue = '-infinity'; 208 } else { 209 $floatvalue = '+infinity'; 210 } 211 } elseif (($exponent == 0) && ($fraction == 0)) { 212 if ($signbit == '1') { 213 $floatvalue = -0; 214 } else { 215 $floatvalue = 0; 216 } 217 $floatvalue = ($signbit ? 0 : -0); 218 } elseif (($exponent == 0) && ($fraction != 0)) { 219 // These are 'unnormalized' values 220 $floatvalue = pow(2, (-1 * (pow(2, $exponentbits - 1) - 2))) * getid3_lib::DecimalBinary2Float($fractionstring); 221 if ($signbit == '1') { 222 $floatvalue *= -1; 223 } 224 } elseif ($exponent != 0) { 225 $floatvalue = pow(2, ($exponent - (pow(2, $exponentbits - 1) - 1))) * (1 + getid3_lib::DecimalBinary2Float($fractionstring)); 226 if ($signbit == '1') { 227 $floatvalue *= -1; 228 } 229 } 230 return (float) $floatvalue; 231 } 232 233 234 function BigEndian2Int($byteword, $synchsafe=false, $signed=false) { 235 $intvalue = 0; 236 $bytewordlen = strlen($byteword); 237 for ($i = 0; $i < $bytewordlen; $i++) { 238 if ($synchsafe) { // disregard MSB, effectively 7-bit bytes 239 $intvalue = $intvalue | (ord($byteword{$i}) & 0x7F) << (($bytewordlen - 1 - $i) * 7); 240 } else { 241 $intvalue += ord($byteword{$i}) * pow(256, ($bytewordlen - 1 - $i)); 242 } 243 } 244 if ($signed && !$synchsafe) { 245 // synchsafe ints are not allowed to be signed 246 switch ($bytewordlen) { 247 case 1: 248 case 2: 249 case 3: 250 case 4: 251 $signmaskbit = 0x80 << (8 * ($bytewordlen - 1)); 252 if ($intvalue & $signmaskbit) { 253 $intvalue = 0 - ($intvalue & ($signmaskbit - 1)); 254 } 255 break; 256 257 default: 258 die('ERROR: Cannot have signed integers larger than 32-bits in getid3_lib::BigEndian2Int()'); 259 break; 260 } 261 } 262 return getid3_lib::CastAsInt($intvalue); 263 } 264 265 266 function LittleEndian2Int($byteword, $signed=false) { 267 return getid3_lib::BigEndian2Int(strrev($byteword), false, $signed); 268 } 269 270 271 function BigEndian2Bin($byteword) { 272 $binvalue = ''; 273 $bytewordlen = strlen($byteword); 274 for ($i = 0; $i < $bytewordlen; $i++) { 275 $binvalue .= str_pad(decbin(ord($byteword{$i})), 8, '0', STR_PAD_LEFT); 276 } 277 return $binvalue; 278 } 279 280 281 function BigEndian2String($number, $minbytes=1, $synchsafe=false, $signed=false) { 282 if ($number < 0) { 283 return false; 284 } 285 $maskbyte = (($synchsafe || $signed) ? 0x7F : 0xFF); 286 $intstring = ''; 287 if ($signed) { 288 if ($minbytes > 4) { 289 die('ERROR: Cannot have signed integers larger than 32-bits in getid3_lib::BigEndian2String()'); 290 } 291 $number = $number & (0x80 << (8 * ($minbytes - 1))); 292 } 293 while ($number != 0) { 294 $quotient = ($number / ($maskbyte + 1)); 295 $intstring = chr(ceil(($quotient - floor($quotient)) * $maskbyte)).$intstring; 296 $number = floor($quotient); 297 } 298 return str_pad($intstring, $minbytes, "\x00", STR_PAD_LEFT); 299 } 300 301 302 function Dec2Bin($number) { 303 while ($number >= 256) { 304 $bytes[] = (($number / 256) - (floor($number / 256))) * 256; 305 $number = floor($number / 256); 306 } 307 $bytes[] = $number; 308 $binstring = ''; 309 for ($i = 0; $i < count($bytes); $i++) { 310 $binstring = (($i == count($bytes) - 1) ? decbin($bytes[$i]) : str_pad(decbin($bytes[$i]), 8, '0', STR_PAD_LEFT)).$binstring; 311 } 312 return $binstring; 313 } 314 315 316 function Bin2Dec($binstring, $signed=false) { 317 $signmult = 1; 318 if ($signed) { 319 if ($binstring{0} == '1') { 320 $signmult = -1; 321 } 322 $binstring = substr($binstring, 1); 323 } 324 $decvalue = 0; 325 for ($i = 0; $i < strlen($binstring); $i++) { 326 $decvalue += ((int) substr($binstring, strlen($binstring) - $i - 1, 1)) * pow(2, $i); 327 } 328 return getid3_lib::CastAsInt($decvalue * $signmult); 329 } 330 331 332 function Bin2String($binstring) { 333 // return 'hi' for input of '0110100001101001' 334 $string = ''; 335 $binstringreversed = strrev($binstring); 336 for ($i = 0; $i < strlen($binstringreversed); $i += 8) { 337 $string = chr(getid3_lib::Bin2Dec(strrev(substr($binstringreversed, $i, 8)))).$string; 338 } 339 return $string; 340 } 341 342 343 function LittleEndian2String($number, $minbytes=1, $synchsafe=false) { 344 $intstring = ''; 345 while ($number > 0) { 346 if ($synchsafe) { 347 $intstring = $intstring.chr($number & 127); 348 $number >>= 7; 349 } else { 350 $intstring = $intstring.chr($number & 255); 351 $number >>= 8; 352 } 353 } 354 return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT); 355 } 356 357 358 function array_merge_clobber($array1, $array2) { 359 // written by kcØhireability*com 360 // taken from http://www.php.net/manual/en/function.array-merge-recursive.php 361 if (!is_array($array1) || !is_array($array2)) { 362 return false; 363 } 364 $newarray = $array1; 365 foreach ($array2 as $key => $val) { 366 if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) { 367 $newarray[$key] = getid3_lib::array_merge_clobber($newarray[$key], $val); 368 } else { 369 $newarray[$key] = $val; 370 } 371 } 372 return $newarray; 373 } 374 375 376 function array_merge_noclobber($array1, $array2) { 377 if (!is_array($array1) || !is_array($array2)) { 378 return false; 379 } 380 $newarray = $array1; 381 foreach ($array2 as $key => $val) { 382 if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) { 383 $newarray[$key] = getid3_lib::array_merge_noclobber($newarray[$key], $val); 384 } elseif (!isset($newarray[$key])) { 385 $newarray[$key] = $val; 386 } 387 } 388 return $newarray; 389 } 390 391 392 function fileextension($filename, $numextensions=1) { 393 if (strstr($filename, '.')) { 394 $reversedfilename = strrev($filename); 395 $offset = 0; 396 for ($i = 0; $i < $numextensions; $i++) { 397 $offset = strpos($reversedfilename, '.', $offset + 1); 398 if ($offset === false) { 399 return ''; 400 } 401 } 402 return strrev(substr($reversedfilename, 0, $offset)); 403 } 404 return ''; 405 } 406 407 408 function PlaytimeString($playtimeseconds) { 409 $contentseconds = round((($playtimeseconds / 60) - floor($playtimeseconds / 60)) * 60); 410 $contentminutes = floor($playtimeseconds / 60); 411 if ($contentseconds >= 60) { 412 $contentseconds -= 60; 413 $contentminutes++; 414 } 415 return intval($contentminutes).':'.str_pad($contentseconds, 2, 0, STR_PAD_LEFT); 416 } 417 418 419 function image_type_to_mime_type($imagetypeid) { 420 // only available in PHP v4.3.0+ 421 static $image_type_to_mime_type = array(); 422 if (empty($image_type_to_mime_type)) { 423 $image_type_to_mime_type[1] = 'image/gif'; // GIF 424 $image_type_to_mime_type[2] = 'image/jpeg'; // JPEG 425 $image_type_to_mime_type[3] = 'image/png'; // PNG 426 $image_type_to_mime_type[4] = 'application/x-shockwave-flash'; // Flash 427 $image_type_to_mime_type[5] = 'image/psd'; // PSD 428 $image_type_to_mime_type[6] = 'image/bmp'; // BMP 429 $image_type_to_mime_type[7] = 'image/tiff'; // TIFF: little-endian (Intel) 430 $image_type_to_mime_type[8] = 'image/tiff'; // TIFF: big-endian (Motorola) 431 //$image_type_to_mime_type[9] = 'image/jpc'; // JPC 432 //$image_type_to_mime_type[10] = 'image/jp2'; // JPC 433 //$image_type_to_mime_type[11] = 'image/jpx'; // JPC 434 //$image_type_to_mime_type[12] = 'image/jb2'; // JPC 435 $image_type_to_mime_type[13] = 'application/x-shockwave-flash'; // Shockwave 436 $image_type_to_mime_type[14] = 'image/iff'; // IFF 437 } 438 return (isset($image_type_to_mime_type[$imagetypeid]) ? $image_type_to_mime_type[$imagetypeid] : 'application/octet-stream'); 439 } 440 441 442 function DateMac2Unix($macdate) { 443 // Macintosh timestamp: seconds since 00:00h January 1, 1904 444 // UNIX timestamp: seconds since 00:00h January 1, 1970 445 return getid3_lib::CastAsInt($macdate - 2082844800); 446 } 447 448 449 function FixedPoint8_8($rawdata) { 450 return getid3_lib::BigEndian2Int(substr($rawdata, 0, 1)) + (float) (getid3_lib::BigEndian2Int(substr($rawdata, 1, 1)) / pow(2, 8)); 451 } 452 453 454 function FixedPoint16_16($rawdata) { 455 return getid3_lib::BigEndian2Int(substr($rawdata, 0, 2)) + (float) (getid3_lib::BigEndian2Int(substr($rawdata, 2, 2)) / pow(2, 16)); 456 } 457 458 459 function FixedPoint2_30($rawdata) { 460 $binarystring = getid3_lib::BigEndian2Bin($rawdata); 461 return getid3_lib::Bin2Dec(substr($binarystring, 0, 2)) + (float) (getid3_lib::Bin2Dec(substr($binarystring, 2, 30)) / 1073741824); 462 } 463 464 465 function CreateDeepArray($ArrayPath, $Separator, $Value) { 466 // assigns $Value to a nested array path: 467 // $foo = getid3_lib::CreateDeepArray('/path/to/my', '/', 'file.txt') 468 // is the same as: 469 // $foo = array('path'=>array('to'=>'array('my'=>array('file.txt')))); 470 // or 471 // $foo['path']['to']['my'] = 'file.txt'; 472 while ($ArrayPath && ($ArrayPath{0} == $Separator)) { 473 $ArrayPath = substr($ArrayPath, 1); 474 } 475 if (($pos = strpos($ArrayPath, $Separator)) !== false) { 476 $ReturnedArray[substr($ArrayPath, 0, $pos)] = getid3_lib::CreateDeepArray(substr($ArrayPath, $pos + 1), $Separator, $Value); 477 } else { 478 $ReturnedArray[$ArrayPath] = $Value; 479 } 480 return $ReturnedArray; 481 } 482 483 function array_max($arraydata, $returnkey=false) { 484 $maxvalue = false; 485 $maxkey = false; 486 foreach ($arraydata as $key => $value) { 487 if (!is_array($value)) { 488 if ($value > $maxvalue) { 489 $maxvalue = $value; 490 $maxkey = $key; 491 } 492 } 493 } 494 return ($returnkey ? $maxkey : $maxvalue); 495 } 496 497 function array_min($arraydata, $returnkey=false) { 498 $minvalue = false; 499 $minkey = false; 500 foreach ($arraydata as $key => $value) { 501 if (!is_array($value)) { 502 if ($value > $minvalue) { 503 $minvalue = $value; 504 $minkey = $key; 505 } 506 } 507 } 508 return ($returnkey ? $minkey : $minvalue); 509 } 510 511 512 function md5_file($file) { 513 514 // md5_file() exists in PHP 4.2.0+. 515 if (function_exists('md5_file')) { 516 return md5_file($file); 517 } 518 519 if (GETID3_OS_ISWINDOWS) { 520 521 $RequiredFiles = array('cygwin1.dll', 'md5sum.exe'); 522 foreach ($RequiredFiles as $required_file) { 523 if (!is_readable(GETID3_HELPERAPPSDIR.$required_file)) { 524 die(implode(' and ', $RequiredFiles).' are required in '.GETID3_HELPERAPPSDIR.' for getid3_lib::md5_file() to function under Windows in PHP < v4.2.0'); 525 } 526 } 527 $commandline = GETID3_HELPERAPPSDIR.'md5sum.exe "'.str_replace('/', DIRECTORY_SEPARATOR, $file).'"'; 528 if (ereg("^[\\]?([0-9a-f]{32})", strtolower(`$commandline`), $r)) { 529 return $r[1]; 530 } 531 532 } else { 533 534 // The following works under UNIX only 535 $file = str_replace('`', '\\`', $file); 536 if (ereg("^([0-9a-f]{32})[ \t\n\r]", `md5sum "$file"`, $r)) { 537 return $r[1]; 538 } 539 540 } 541 return false; 542 } 543 544 545 function sha1_file($file) { 546 547 // sha1_file() exists in PHP 4.3.0+. 548 if (function_exists('sha1_file')) { 549 return sha1_file($file); 550 } 551 552 $file = str_replace('`', '\\`', $file); 553 554 if (GETID3_OS_ISWINDOWS) { 555 556 $RequiredFiles = array('cygwin1.dll', 'sha1sum.exe'); 557 foreach ($RequiredFiles as $required_file) { 558 if (!is_readable(GETID3_HELPERAPPSDIR.$required_file)) { 559 die(implode(' and ', $RequiredFiles).' are required in '.GETID3_HELPERAPPSDIR.' for getid3_lib::sha1_file() to function under Windows in PHP < v4.3.0'); 560 } 561 } 562 $commandline = GETID3_HELPERAPPSDIR.'sha1sum.exe "'.str_replace('/', DIRECTORY_SEPARATOR, $file).'"'; 563 if (ereg("^sha1=([0-9a-f]{40})", strtolower(`$commandline`), $r)) { 564 return $r[1]; 565 } 566 567 } else { 568 569 $commandline = 'sha1sum '.escapeshellarg($file).''; 570 if (ereg("^([0-9a-f]{40})[ \t\n\r]", strtolower(`$commandline`), $r)) { 571 return $r[1]; 572 } 573 574 } 575 576 return false; 577 } 578 579 580 // Allan Hansen <ahØartemis*dk> 581 // getid3_lib::md5_data() - returns md5sum for a file from startuing position to absolute end position 582 function hash_data($file, $offset, $end, $algorithm) { 583 584 switch ($algorithm) { 585 case 'md5': 586 $hash_function = 'md5_file'; 587 $unix_call = 'md5sum'; 588 $windows_call = 'md5sum.exe'; 589 $hash_length = 32; 590 break; 591 592 case 'sha1': 593 $hash_function = 'sha1_file'; 594 $unix_call = 'sha1sum'; 595 $windows_call = 'sha1sum.exe'; 596 $hash_length = 40; 597 break; 598 599 default: 600 die('Invalid algorithm ('.$algorithm.') in getid3_lib::hash_data()'); 601 break; 602 } 603 $size = $end - $offset; 604 while (true) { 605 if (GETID3_OS_ISWINDOWS) { 606 607 // It seems that sha1sum.exe for Windows only works on physical files, does not accept piped data 608 // Fall back to create-temp-file method: 609 if ($algorithm == 'sha1') { 610 break; 611 } 612 613 $RequiredFiles = array('cygwin1.dll', 'head.exe', 'tail.exe', $windows_call); 614 foreach ($RequiredFiles as $required_file) { 615 if (!is_readable(GETID3_HELPERAPPSDIR.$required_file)) { 616 // helper apps not available - fall back to old method 617 break; 618 } 619 } 620 $commandline = GETID3_HELPERAPPSDIR.'head.exe -c '.$end.' "'.escapeshellarg(str_replace('/', DIRECTORY_SEPARATOR, $file)).'" | '; 621 $commandline .= GETID3_HELPERAPPSDIR.'tail.exe -c '.$size.' | '; 622 $commandline .= GETID3_HELPERAPPSDIR.$windows_call; 623 624 } else { 625 626 $commandline = 'head -c'.$end.' '.escapeshellarg($file).' | '; 627 $commandline .= 'tail -c'.$size.' | '; 628 $commandline .= $unix_call; 629 630 } 631 if ((bool) ini_get('safe_mode')) { 632 $ThisFileInfo['warning'][] = 'PHP running in Safe Mode - backtick operator not available, using slower non-system-call '.$algorithm.' algorithm'; 633 break; 634 } 635 return substr(`$commandline`, 0, $hash_length); 636 } 637 638 // try to create a temporary file in the system temp directory - invalid dirname should force to system temp dir 639 if (($data_filename = tempnam('*', 'getID3')) === false) { 640 // can't find anywhere to create a temp file, just die 641 return false; 642 } 643 644 // Init 645 $result = false; 646 647 // copy parts of file 648 if ($fp = @fopen($file, 'rb')) { 649 650 if ($fp_data = @fopen($data_filename, 'wb')) { 651 652 fseek($fp, $offset, SEEK_SET); 653 $byteslefttowrite = $end - $offset; 654 while (($byteslefttowrite > 0) && ($buffer = fread($fp, GETID3_FREAD_BUFFER_SIZE))) { 655 $byteswritten = fwrite($fp_data, $buffer, $byteslefttowrite); 656 $byteslefttowrite -= $byteswritten; 657 } 658 fclose($fp_data); 659 $result = getid3_lib::$hash_function($data_filename); 660 661 } 662 fclose($fp); 663 } 664 unlink($data_filename); 665 return $result; 666 } 667 668 669 function iconv_fallback_int_utf8($charval) { 670 if ($charval < 128) { 671 // 0bbbbbbb 672 $newcharstring = chr($charval); 673 } elseif ($charval < 2048) { 674 // 110bbbbb 10bbbbbb 675 $newcharstring = chr(($charval >> 6) | 0xC0); 676 $newcharstring .= chr(($charval & 0x3F) | 0x80); 677 } elseif ($charval < 65536) { 678 // 1110bbbb 10bbbbbb 10bbbbbb 679 $newcharstring = chr(($charval >> 12) | 0xE0); 680 $newcharstring .= chr(($charval >> 6) | 0xC0); 681 $newcharstring .= chr(($charval & 0x3F) | 0x80); 682 } else { 683 // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb 684 $newcharstring = chr(($charval >> 18) | 0xF0); 685 $newcharstring .= chr(($charval >> 12) | 0xC0); 686 $newcharstring .= chr(($charval >> 6) | 0xC0); 687 $newcharstring .= chr(($charval & 0x3F) | 0x80); 688 } 689 return $newcharstring; 690 } 691 692 // ISO-8859-1 => UTF-8 693 function iconv_fallback_iso88591_utf8($string, $bom=false) { 694 if (function_exists('utf8_encode')) { 695 return utf8_encode($string); 696 } 697 // utf8_encode() unavailable, use getID3()'s iconv_fallback() conversions (possibly PHP is compiled without XML support) 698 $newcharstring = ''; 699 if ($bom) { 700 $newcharstring .= "\xEF\xBB\xBF"; 701 } 702 for ($i = 0; $i < strlen($string); $i++) { 703 $charval = ord($string{$i}); 704 $newcharstring .= getid3_lib::iconv_fallback_int_utf8($charval); 705 } 706 return $newcharstring; 707 } 708 709 // ISO-8859-1 => UTF-16BE 710 function iconv_fallback_iso88591_utf16be($string, $bom=false) { 711 $newcharstring = ''; 712 if ($bom) { 713 $newcharstring .= "\xFE\xFF"; 714 } 715 for ($i = 0; $i < strlen($string); $i++) { 716 $newcharstring .= "\x00".$string{$i}; 717 } 718 return $newcharstring; 719 } 720 721 // ISO-8859-1 => UTF-16LE 722 function iconv_fallback_iso88591_utf16le($string, $bom=false) { 723 $newcharstring = ''; 724 if ($bom) { 725 $newcharstring .= "\xFF\xFE"; 726 } 727 for ($i = 0; $i < strlen($string); $i++) { 728 $newcharstring .= $string{$i}."\x00"; 729 } 730 return $newcharstring; 731 } 732 733 // ISO-8859-1 => UTF-16LE (BOM) 734 function iconv_fallback_iso88591_utf16($string) { 735 return getid3_lib::iconv_fallback_iso88591_utf16le($string, true); 736 } 737 738 // UTF-8 => ISO-8859-1 739 function iconv_fallback_utf8_iso88591($string) { 740 if (function_exists('utf8_decode')) { 741 return utf8_decode($string); 742 } 743 // utf8_decode() unavailable, use getID3()'s iconv_fallback() conversions (possibly PHP is compiled without XML support) 744 $newcharstring = ''; 745 $offset = 0; 746 $stringlength = strlen($string); 747 while ($offset < $stringlength) { 748 if ((ord($string{$offset}) | 0x07) == 0xF7) { 749 // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb 750 $charval = ((ord($string{($offset + 0)}) & 0x07) << 18) & 751 ((ord($string{($offset + 1)}) & 0x3F) << 12) & 752 ((ord($string{($offset + 2)}) & 0x3F) << 6) & 753 (ord($string{($offset + 3)}) & 0x3F); 754 $offset += 4; 755 } elseif ((ord($string{$offset}) | 0x0F) == 0xEF) { 756 // 1110bbbb 10bbbbbb 10bbbbbb 757 $charval = ((ord($string{($offset + 0)}) & 0x0F) << 12) & 758 ((ord($string{($offset + 1)}) & 0x3F) << 6) & 759 (ord($string{($offset + 2)}) & 0x3F); 760 $offset += 3; 761 } elseif ((ord($string{$offset}) | 0x1F) == 0xDF) { 762 // 110bbbbb 10bbbbbb 763 $charval = ((ord($string{($offset + 0)}) & 0x1F) << 6) & 764 (ord($string{($offset + 1)}) & 0x3F); 765 $offset += 2; 766 } elseif ((ord($string{$offset}) | 0x7F) == 0x7F) { 767 // 0bbbbbbb 768 $charval = ord($string{$offset}); 769 $offset += 1; 770 } else { 771 // error? throw some kind of warning here? 772 $charval = false; 773 $offset += 1; 774 } 775 if ($charval !== false) { 776 $newcharstring .= (($charval < 256) ? chr($charval) : '?'); 777 } 778 } 779 return $newcharstring; 780 } 781 782 // UTF-8 => UTF-16BE 783 function iconv_fallback_utf8_utf16be($string, $bom=false) { 784 $newcharstring = ''; 785 if ($bom) { 786 $newcharstring .= "\xFE\xFF"; 787 } 788 $offset = 0; 789 $stringlength = strlen($string); 790 while ($offset < $stringlength) { 791 if ((ord($string{$offset}) | 0x07) == 0xF7) { 792 // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb 793 $charval = ((ord($string{($offset + 0)}) & 0x07) << 18) & 794 ((ord($string{($offset + 1)}) & 0x3F) << 12) & 795 ((ord($string{($offset + 2)}) & 0x3F) << 6) & 796 (ord($string{($offset + 3)}) & 0x3F); 797 $offset += 4; 798 } elseif ((ord($string{$offset}) | 0x0F) == 0xEF) { 799 // 1110bbbb 10bbbbbb 10bbbbbb 800 $charval = ((ord($string{($offset + 0)}) & 0x0F) << 12) & 801 ((ord($string{($offset + 1)}) & 0x3F) << 6) & 802 (ord($string{($offset + 2)}) & 0x3F); 803 $offset += 3; 804 } elseif ((ord($string{$offset}) | 0x1F) == 0xDF) { 805 // 110bbbbb 10bbbbbb 806 $charval = ((ord($string{($offset + 0)}) & 0x1F) << 6) & 807 (ord($string{($offset + 1)}) & 0x3F); 808 $offset += 2; 809 } elseif ((ord($string{$offset}) | 0x7F) == 0x7F) { 810 // 0bbbbbbb 811 $charval = ord($string{$offset}); 812 $offset += 1; 813 } else { 814 // error? throw some kind of warning here? 815 $charval = false; 816 $offset += 1; 817 } 818 if ($charval !== false) { 819 $newcharstring .= (($charval < 65536) ? getid3_lib::BigEndian2String($charval, 2) : "\x00".'?'); 820 } 821 } 822 return $newcharstring; 823 } 824 825 // UTF-8 => UTF-16LE 826 function iconv_fallback_utf8_utf16le($string, $bom=false) { 827 $newcharstring = ''; 828 if ($bom) { 829 $newcharstring .= "\xFF\xFE"; 830 } 831 $offset = 0; 832 $stringlength = strlen($string); 833 while ($offset < $stringlength) { 834 if ((ord($string{$offset}) | 0x07) == 0xF7) { 835 // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb 836 $charval = ((ord($string{($offset + 0)}) & 0x07) << 18) & 837 ((ord($string{($offset + 1)}) & 0x3F) << 12) & 838 ((ord($string{($offset + 2)}) & 0x3F) << 6) & 839 (ord($string{($offset + 3)}) & 0x3F); 840 $offset += 4; 841 } elseif ((ord($string{$offset}) | 0x0F) == 0xEF) { 842 // 1110bbbb 10bbbbbb 10bbbbbb 843 $charval = ((ord($string{($offset + 0)}) & 0x0F) << 12) & 844 ((ord($string{($offset + 1)}) & 0x3F) << 6) & 845 (ord($string{($offset + 2)}) & 0x3F); 846 $offset += 3; 847 } elseif ((ord($string{$offset}) | 0x1F) == 0xDF) { 848 // 110bbbbb 10bbbbbb 849 $charval = ((ord($string{($offset + 0)}) & 0x1F) << 6) & 850 (ord($string{($offset + 1)}) & 0x3F); 851 $offset += 2; 852 } elseif ((ord($string{$offset}) | 0x7F) == 0x7F) { 853 // 0bbbbbbb 854 $charval = ord($string{$offset}); 855 $offset += 1; 856 } else { 857 // error? maybe throw some warning here? 858 $charval = false; 859 $offset += 1; 860 } 861 if ($charval !== false) { 862 $newcharstring .= (($charval < 65536) ? getid3_lib::LittleEndian2String($charval, 2) : '?'."\x00"); 863 } 864 } 865 return $newcharstring; 866 } 867 868 // UTF-8 => UTF-16LE (BOM) 869 function iconv_fallback_utf8_utf16($string) { 870 return getid3_lib::iconv_fallback_utf8_utf16le($string, true); 871 } 872 873 // UTF-16BE => UTF-8 874 function iconv_fallback_utf16be_utf8($string) { 875 if (substr($string, 0, 2) == "\xFE\xFF") { 876 // strip BOM 877 $string = substr($string, 2); 878 } 879 $newcharstring = ''; 880 for ($i = 0; $i < strlen($string); $i += 2) { 881 $charval = getid3_lib::BigEndian2Int(substr($string, $i, 2)); 882 $newcharstring .= getid3_lib::iconv_fallback_int_utf8($charval); 883 } 884 return $newcharstring; 885 } 886 887 // UTF-16LE => UTF-8 888 function iconv_fallback_utf16le_utf8($string) { 889 if (substr($string, 0, 2) == "\xFF\xFE") { 890 // strip BOM 891 $string = substr($string, 2); 892 } 893 $newcharstring = ''; 894 for ($i = 0; $i < strlen($string); $i += 2) { 895 $charval = getid3_lib::LittleEndian2Int(substr($string, $i, 2)); 896 $newcharstring .= getid3_lib::iconv_fallback_int_utf8($charval); 897 } 898 return $newcharstring; 899 } 900 901 // UTF-16BE => ISO-8859-1 902 function iconv_fallback_utf16be_iso88591($string) { 903 if (substr($string, 0, 2) == "\xFE\xFF") { 904 // strip BOM 905 $string = substr($string, 2); 906 } 907 $newcharstring = ''; 908 for ($i = 0; $i < strlen($string); $i += 2) { 909 $charval = getid3_lib::BigEndian2Int(substr($string, $i, 2)); 910 $newcharstring .= (($charval < 256) ? chr($charval) : '?'); 911 } 912 return $newcharstring; 913 } 914 915 // UTF-16LE => ISO-8859-1 916 function iconv_fallback_utf16le_iso88591($string) { 917 if (substr($string, 0, 2) == "\xFF\xFE") { 918 // strip BOM 919 $string = substr($string, 2); 920 } 921 $newcharstring = ''; 922 for ($i = 0; $i < strlen($string); $i += 2) { 923 $charval = getid3_lib::LittleEndian2Int(substr($string, $i, 2)); 924 $newcharstring .= (($charval < 256) ? chr($charval) : '?'); 925 } 926 return $newcharstring; 927 } 928 929 // UTF-16 (BOM) => ISO-8859-1 930 function iconv_fallback_utf16_iso88591($string) { 931 $bom = substr($string, 0, 2); 932 if ($bom == "\xFE\xFF") { 933 return getid3_lib::iconv_fallback_utf16be_iso88591(substr($string, 2)); 934 } elseif ($bom == "\xFF\xFE") { 935 return getid3_lib::iconv_fallback_utf16le_iso88591(substr($string, 2)); 936 } 937 return $string; 938 } 939 940 // UTF-16 (BOM) => UTF-8 941 function iconv_fallback_utf16_utf8($string) { 942 $bom = substr($string, 0, 2); 943 if ($bom == "\xFE\xFF") { 944 return getid3_lib::iconv_fallback_utf16be_utf8(substr($string, 2)); 945 } elseif ($bom == "\xFF\xFE") { 946 return getid3_lib::iconv_fallback_utf16le_utf8(substr($string, 2)); 947 } 948 return $string; 949 } 950 951 function iconv_fallback($in_charset, $out_charset, $string) { 952 953 if ($in_charset == $out_charset) { 954 return $string; 955 } 956 957 static $iconv_broken_or_unavailable = array(); 958 if (is_null(@$iconv_broken_or_unavailable[$in_charset.'_'.$out_charset])) { 959 $GETID3_ICONV_TEST_STRING = ' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ'; 960 961 // Check iconv() 962 if (function_exists('iconv')) { 963 if (@iconv($in_charset, 'ISO-8859-1', @iconv('ISO-8859-1', $in_charset, $GETID3_ICONV_TEST_STRING)) == $GETID3_ICONV_TEST_STRING) { 964 if (@iconv($out_charset, 'ISO-8859-1', @iconv('ISO-8859-1', $out_charset, $GETID3_ICONV_TEST_STRING)) == $GETID3_ICONV_TEST_STRING) { 965 // everything works, use iconv() 966 $iconv_broken_or_unavailable[$in_charset.'_'.$out_charset] = false; 967 } else { 968 // iconv() available, but broken. Use getID3()'s iconv_fallback() conversions instead 969 // known issue in PHP v4.1.x 970 $iconv_broken_or_unavailable[$in_charset.'_'.$out_charset] = true; 971 } 972 } else { 973 // iconv() available, but broken. Use getID3()'s iconv_fallback() conversions instead 974 // known issue in PHP v4.1.x 975 $iconv_broken_or_unavailable[$in_charset.'_'.$out_charset] = true; 976 } 977 } else { 978 // iconv() unavailable, use getID3()'s iconv_fallback() conversions 979 $iconv_broken_or_unavailable[$in_charset.'_'.$out_charset] = true; 980 } 981 } 982 983 if ($iconv_broken_or_unavailable[$in_charset.'_'.$out_charset]) { 984 static $ConversionFunctionList = array(); 985 if (empty($ConversionFunctionList)) { 986 $ConversionFunctionList['ISO-8859-1']['UTF-8'] = 'iconv_fallback_iso88591_utf8'; 987 $ConversionFunctionList['ISO-8859-1']['UTF-16'] = 'iconv_fallback_iso88591_utf16'; 988 $ConversionFunctionList['ISO-8859-1']['UTF-16BE'] = 'iconv_fallback_iso88591_utf16be'; 989 $ConversionFunctionList['ISO-8859-1']['UTF-16LE'] = 'iconv_fallback_iso88591_utf16le'; 990 $ConversionFunctionList['UTF-8']['ISO-8859-1'] = 'iconv_fallback_utf8_iso88591'; 991 $ConversionFunctionList['UTF-8']['UTF-16'] = 'iconv_fallback_utf8_utf16'; 992 $ConversionFunctionList['UTF-8']['UTF-16BE'] = 'iconv_fallback_utf8_utf16be'; 993 $ConversionFunctionList['UTF-8']['UTF-16LE'] = 'iconv_fallback_utf8_utf16le'; 994 $ConversionFunctionList['UTF-16']['ISO-8859-1'] = 'iconv_fallback_utf16_iso88591'; 995 $ConversionFunctionList['UTF-16']['UTF-8'] = 'iconv_fallback_utf16_utf8'; 996 $ConversionFunctionList['UTF-16LE']['ISO-8859-1'] = 'iconv_fallback_utf16le_iso88591'; 997 $ConversionFunctionList['UTF-16LE']['UTF-8'] = 'iconv_fallback_utf16le_utf8'; 998 $ConversionFunctionList['UTF-16BE']['ISO-8859-1'] = 'iconv_fallback_utf16be_iso88591'; 999 $ConversionFunctionList['UTF-16BE']['UTF-8'] = 'iconv_fallback_utf16be_utf8'; 1000 } 1001 if (isset($ConversionFunctionList[strtoupper($in_charset)][strtoupper($out_charset)])) { 1002 $ConversionFunction = $ConversionFunctionList[strtoupper($in_charset)][strtoupper($out_charset)]; 1003 return getid3_lib::$ConversionFunction($string); 1004 } 1005 die('PHP does not have iconv() support - cannot convert from '.$in_charset.' to '.$out_charset); 1006 } 1007 1008 if ($converted_string = @iconv($in_charset, $out_charset.'//TRANSLIT', $string)) { 1009 switch ($out_charset) { 1010 case 'ISO-8859-1': 1011 $converted_string = rtrim($converted_string, "\x00"); 1012 break; 1013 } 1014 return $converted_string; 1015 } 1016 1017 // iconv() may sometimes fail with "illegal character in input string" error message 1018 // and return an empty string, but returning the unconverted string is more useful 1019 return $string; 1020 } 1021 1022 1023 function MultiByteCharString2HTML($string, $charset='ISO-8859-1') { 1024 $HTMLstring = ''; 1025 1026 switch ($charset) { 1027 case 'ISO-8859-1': 1028 case 'ISO8859-1': 1029 case 'ISO-8859-15': 1030 case 'ISO8859-15': 1031 case 'cp866': 1032 case 'ibm866': 1033 case '866': 1034 case 'cp1251': 1035 case 'Windows-1251': 1036 case 'win-1251': 1037 case '1251': 1038 case 'cp1252': 1039 case 'Windows-1252': 1040 case '1252': 1041 case 'KOI8-R': 1042 case 'koi8-ru': 1043 case 'koi8r': 1044 case 'BIG5': 1045 case '950': 1046 case 'GB2312': 1047 case '936': 1048 case 'BIG5-HKSCS': 1049 case 'Shift_JIS': 1050 case 'SJIS': 1051 case '932': 1052 case 'EUC-JP': 1053 case 'EUCJP': 1054 $HTMLstring = htmlentities($string, ENT_COMPAT, $charset); 1055 break; 1056 1057 case 'UTF-8': 1058 $strlen = strlen($string); 1059 for ($i = 0; $i < $strlen; $i++) { 1060 $char_ord_val = ord($string{$i}); 1061 $charval = 0; 1062 if ($char_ord_val < 0x80) { 1063 $charval = $char_ord_val; 1064 } elseif ((($char_ord_val & 0xF0) >> 4) == 0x0F) { 1065 $charval = (($char_ord_val & 0x07) << 18); 1066 $charval += ((ord($string{++$i}) & 0x3F) << 12); 1067 $charval += ((ord($string{++$i}) & 0x3F) << 6); 1068 $charval += (ord($string{++$i}) & 0x3F); 1069 } elseif ((($char_ord_val & 0xE0) >> 5) == 0x07) { 1070 $charval = (($char_ord_val & 0x0F) << 12); 1071 $charval += ((ord($string{++$i}) & 0x3F) << 6); 1072 $charval += (ord($string{++$i}) & 0x3F); 1073 } elseif ((($char_ord_val & 0xC0) >> 6) == 0x03) { 1074 $charval = (($char_ord_val & 0x1F) << 6); 1075 $charval += (ord($string{++$i}) & 0x3F); 1076 } 1077 if (($charval >= 32) && ($charval <= 127)) { 1078 $HTMLstring .= chr($charval); 1079 } else { 1080 $HTMLstring .= '&#'.$charval.';'; 1081 } 1082 } 1083 break; 1084 1085 case 'UTF-16LE': 1086 for ($i = 0; $i < strlen($string); $i += 2) { 1087 $charval = getid3_lib::LittleEndian2Int(substr($string, $i, 2)); 1088 if (($charval >= 32) && ($charval <= 127)) { 1089 $HTMLstring .= chr($charval); 1090 } else { 1091 $HTMLstring .= '&#'.$charval.';'; 1092 } 1093 } 1094 break; 1095 1096 case 'UTF-16BE': 1097 for ($i = 0; $i < strlen($string); $i += 2) { 1098 $charval = getid3_lib::BigEndian2Int(substr($string, $i, 2)); 1099 if (($charval >= 32) && ($charval <= 127)) { 1100 $HTMLstring .= chr($charval); 1101 } else { 1102 $HTMLstring .= '&#'.$charval.';'; 1103 } 1104 } 1105 break; 1106 1107 default: 1108 $HTMLstring = 'ERROR: Character set "'.$charset.'" not supported in MultiByteCharString2HTML()'; 1109 break; 1110 } 1111 return $HTMLstring; 1112 } 1113 1114 1115 1116 function RGADnameLookup($namecode) { 1117 static $RGADname = array(); 1118 if (empty($RGADname)) { 1119 $RGADname[0] = 'not set'; 1120 $RGADname[1] = 'Track Gain Adjustment'; 1121 $RGADname[2] = 'Album Gain Adjustment'; 1122 } 1123 1124 return (isset($RGADname[$namecode]) ? $RGADname[$namecode] : ''); 1125 } 1126 1127 1128 function RGADoriginatorLookup($originatorcode) { 1129 static $RGADoriginator = array(); 1130 if (empty($RGADoriginator)) { 1131 $RGADoriginator[0] = 'unspecified'; 1132 $RGADoriginator[1] = 'pre-set by artist/producer/mastering engineer'; 1133 $RGADoriginator[2] = 'set by user'; 1134 $RGADoriginator[3] = 'determined automatically'; 1135 } 1136 1137 return (isset($RGADoriginator[$originatorcode]) ? $RGADoriginator[$originatorcode] : ''); 1138 } 1139 1140 1141 function RGADadjustmentLookup($rawadjustment, $signbit) { 1142 $adjustment = $rawadjustment / 10; 1143 if ($signbit == 1) { 1144 $adjustment *= -1; 1145 } 1146 return (float) $adjustment; 1147 } 1148 1149 1150 function RGADgainString($namecode, $originatorcode, $replaygain) { 1151 if ($replaygain < 0) { 1152 $signbit = '1'; 1153 } else { 1154 $signbit = '0'; 1155 } 1156 $storedreplaygain = intval(round($replaygain * 10)); 1157 $gainstring = str_pad(decbin($namecode), 3, '0', STR_PAD_LEFT); 1158 $gainstring .= str_pad(decbin($originatorcode), 3, '0', STR_PAD_LEFT); 1159 $gainstring .= $signbit; 1160 $gainstring .= str_pad(decbin($storedreplaygain), 9, '0', STR_PAD_LEFT); 1161 1162 return $gainstring; 1163 } 1164 1165 function RGADamplitude2dB($amplitude) { 1166 return 20 * log10($amplitude); 1167 } 1168 1169 1170 function GetDataImageSize($imgData) { 1171 $GetDataImageSize = false; 1172 if ($tempfilename = tempnam('*', 'getID3')) { 1173 if ($tmp = @fopen($tempfilename, 'wb')) { 1174 fwrite($tmp, $imgData); 1175 fclose($tmp); 1176 $GetDataImageSize = @GetImageSize($tempfilename); 1177 } 1178 unlink($tempfilename); 1179 } 1180 return $GetDataImageSize; 1181 } 1182 1183 function ImageTypesLookup($imagetypeid) { 1184 static $ImageTypesLookup = array(); 1185 if (empty($ImageTypesLookup)) { 1186 $ImageTypesLookup[1] = 'gif'; 1187 $ImageTypesLookup[2] = 'jpeg'; 1188 $ImageTypesLookup[3] = 'png'; 1189 $ImageTypesLookup[4] = 'swf'; 1190 $ImageTypesLookup[5] = 'psd'; 1191 $ImageTypesLookup[6] = 'bmp'; 1192 $ImageTypesLookup[7] = 'tiff (little-endian)'; 1193 $ImageTypesLookup[8] = 'tiff (big-endian)'; 1194 $ImageTypesLookup[9] = 'jpc'; 1195 $ImageTypesLookup[10] = 'jp2'; 1196 $ImageTypesLookup[11] = 'jpx'; 1197 $ImageTypesLookup[12] = 'jb2'; 1198 $ImageTypesLookup[13] = 'swc'; 1199 $ImageTypesLookup[14] = 'iff'; 1200 } 1201 return (isset($ImageTypesLookup[$imagetypeid]) ? $ImageTypesLookup[$imagetypeid] : ''); 1202 } 1203 1204 function CopyTagsToComments(&$ThisFileInfo) { 1205 1206 // Copy all entries from ['tags'] into common ['comments'] 1207 if (!empty($ThisFileInfo['tags'])) { 1208 foreach ($ThisFileInfo['tags'] as $tagtype => $tagarray) { 1209 foreach ($tagarray as $tagname => $tagdata) { 1210 foreach ($tagdata as $key => $value) { 1211 if (!empty($value)) { 1212 if (empty($ThisFileInfo['comments'][$tagname])) { 1213 1214 // fall through and append value 1215 1216 } elseif ($tagtype == 'id3v1') { 1217 1218 $newvaluelength = strlen(trim($value)); 1219 foreach ($ThisFileInfo['comments'][$tagname] as $existingkey => $existingvalue) { 1220 $oldvaluelength = strlen(trim($existingvalue)); 1221 if (($newvaluelength <= $oldvaluelength) && (substr($existingvalue, 0, $newvaluelength) == trim($value))) { 1222 // new value is identical but shorter-than (or equal-length to) one already in comments - skip 1223 break 2; 1224 } 1225 } 1226 1227 } else { 1228 1229 $newvaluelength = strlen(trim($value)); 1230 foreach ($ThisFileInfo['comments'][$tagname] as $existingkey => $existingvalue) { 1231 $oldvaluelength = strlen(trim($existingvalue)); 1232 if (($newvaluelength > $oldvaluelength) && (substr(trim($value), 0, strlen($existingvalue)) == $existingvalue)) { 1233 $ThisFileInfo['comments'][$tagname][$existingkey] = trim($value); 1234 break 2; 1235 } 1236 } 1237 1238 } 1239 if (empty($ThisFileInfo['comments'][$tagname]) || !in_array(trim($value), $ThisFileInfo['comments'][$tagname])) { 1240 $ThisFileInfo['comments'][$tagname][] = trim($value); 1241 } 1242 } 1243 } 1244 } 1245 } 1246 1247 // Copy to ['comments_html'] 1248 foreach ($ThisFileInfo['comments'] as $field => $values) { 1249 foreach ($values as $index => $value) { 1250 $ThisFileInfo['comments_html'][$field][$index] = str_replace('�', '', getid3_lib::MultiByteCharString2HTML($value, $ThisFileInfo['encoding'])); 1251 } 1252 } 1253 } 1254 } 1255 1256 1257 function EmbeddedLookup($key, $begin, $end, $file, $name) { 1258 1259 // Cached 1260 static $cache; 1261 if (isset($cache[$file][$name])) { 1262 return @$cache[$file][$name][$key]; 1263 } 1264 1265 // Init 1266 $keylength = strlen($key); 1267 $line_count = $end - $begin - 7; 1268 1269 // Open php file 1270 $fp = fopen($file, 'r'); 1271 1272 // Discard $begin lines 1273 for ($i = 0; $i < ($begin + 3); $i++) { 1274 fgets($fp, 1024); 1275 } 1276 1277 // Loop thru line 1278 while (0 < $line_count--) { 1279 1280 // Read line 1281 $line = ltrim(fgets($fp, 1024), "\t "); 1282 1283 // METHOD A: only cache the matching key - less memory but slower on next lookup of not-previously-looked-up key 1284 //$keycheck = substr($line, 0, $keylength); 1285 //if ($key == $keycheck) { 1286 // $cache[$file][$name][$keycheck] = substr($line, $keylength + 1); 1287 // break; 1288 //} 1289 1290 // METHOD B: cache all keys in this lookup - more memory but faster on next lookup of not-previously-looked-up key 1291 //$cache[$file][$name][substr($line, 0, $keylength)] = trim(substr($line, $keylength + 1)); 1292 @list($ThisKey, $ThisValue) = explode("\t", $line, 2); 1293 $cache[$file][$name][$ThisKey] = trim($ThisValue); 1294 } 1295 1296 // Close and return 1297 fclose($fp); 1298 return @$cache[$file][$name][$key]; 1299 } 1300 1301 function IncludeDependency($filename, $sourcefile, $DieOnFailure=false) { 1302 global $GETID3_ERRORARRAY; 1303 1304 if (file_exists($filename)) { 1305 if (@include_once($filename)) { 1306 return true; 1307 } else { 1308 $diemessage = basename($sourcefile).' depends on '.$filename.', which has errors'; 1309 } 1310 } else { 1311 $diemessage = basename($sourcefile).' depends on '.$filename.', which is missing'; 1312 } 1313 if ($DieOnFailure) { 1314 die($diemessage); 1315 } else { 1316 $GETID3_ERRORARRAY[] = $diemessage; 1317 } 1318 return false; 1319 } 1320 1321 } 1322 1323 ?>
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| Généré le : Mon Nov 26 21:04:15 2007 | par Balluche grâce à PHPXref 0.7 |
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