|
0
|
1 |
<?php |
|
|
2 |
///////////////////////////////////////////////////////////////// |
|
|
3 |
/// getID3() by James Heinrich <info@getid3.org> // |
|
|
4 |
// available at http://getid3.sourceforge.net // |
|
|
5 |
// or http://www.getid3.org // |
|
5
|
6 |
// also https://github.com/JamesHeinrich/getID3 // |
|
0
|
7 |
///////////////////////////////////////////////////////////////// |
|
|
8 |
// // |
|
|
9 |
// getid3.lib.php - part of getID3() // |
|
|
10 |
// See readme.txt for more details // |
|
|
11 |
// /// |
|
|
12 |
///////////////////////////////////////////////////////////////// |
|
|
13 |
|
|
|
14 |
|
|
|
15 |
class getid3_lib |
|
|
16 |
{ |
|
|
17 |
|
|
|
18 |
public static function PrintHexBytes($string, $hex=true, $spaces=true, $htmlencoding='UTF-8') { |
|
|
19 |
$returnstring = ''; |
|
|
20 |
for ($i = 0; $i < strlen($string); $i++) { |
|
|
21 |
if ($hex) { |
|
|
22 |
$returnstring .= str_pad(dechex(ord($string{$i})), 2, '0', STR_PAD_LEFT); |
|
|
23 |
} else { |
|
|
24 |
$returnstring .= ' '.(preg_match("#[\x20-\x7E]#", $string{$i}) ? $string{$i} : 'ยค'); |
|
|
25 |
} |
|
|
26 |
if ($spaces) { |
|
|
27 |
$returnstring .= ' '; |
|
|
28 |
} |
|
|
29 |
} |
|
|
30 |
if (!empty($htmlencoding)) { |
|
|
31 |
if ($htmlencoding === true) { |
|
|
32 |
$htmlencoding = 'UTF-8'; // prior to getID3 v1.9.0 the function's 4th parameter was boolean |
|
|
33 |
} |
|
|
34 |
$returnstring = htmlentities($returnstring, ENT_QUOTES, $htmlencoding); |
|
|
35 |
} |
|
|
36 |
return $returnstring; |
|
|
37 |
} |
|
|
38 |
|
|
|
39 |
public static function trunc($floatnumber) { |
|
|
40 |
// truncates a floating-point number at the decimal point |
|
|
41 |
// returns int (if possible, otherwise float) |
|
|
42 |
if ($floatnumber >= 1) { |
|
|
43 |
$truncatednumber = floor($floatnumber); |
|
|
44 |
} elseif ($floatnumber <= -1) { |
|
|
45 |
$truncatednumber = ceil($floatnumber); |
|
|
46 |
} else { |
|
|
47 |
$truncatednumber = 0; |
|
|
48 |
} |
|
|
49 |
if (self::intValueSupported($truncatednumber)) { |
|
|
50 |
$truncatednumber = (int) $truncatednumber; |
|
|
51 |
} |
|
|
52 |
return $truncatednumber; |
|
|
53 |
} |
|
|
54 |
|
|
|
55 |
|
|
|
56 |
public static function safe_inc(&$variable, $increment=1) { |
|
|
57 |
if (isset($variable)) { |
|
|
58 |
$variable += $increment; |
|
|
59 |
} else { |
|
|
60 |
$variable = $increment; |
|
|
61 |
} |
|
|
62 |
return true; |
|
|
63 |
} |
|
|
64 |
|
|
|
65 |
public static function CastAsInt($floatnum) { |
|
|
66 |
// convert to float if not already |
|
|
67 |
$floatnum = (float) $floatnum; |
|
|
68 |
|
|
|
69 |
// convert a float to type int, only if possible |
|
|
70 |
if (self::trunc($floatnum) == $floatnum) { |
|
|
71 |
// it's not floating point |
|
|
72 |
if (self::intValueSupported($floatnum)) { |
|
|
73 |
// it's within int range |
|
|
74 |
$floatnum = (int) $floatnum; |
|
|
75 |
} |
|
|
76 |
} |
|
|
77 |
return $floatnum; |
|
|
78 |
} |
|
|
79 |
|
|
|
80 |
public static function intValueSupported($num) { |
|
|
81 |
// check if integers are 64-bit |
|
|
82 |
static $hasINT64 = null; |
|
|
83 |
if ($hasINT64 === null) { // 10x faster than is_null() |
|
|
84 |
$hasINT64 = is_int(pow(2, 31)); // 32-bit int are limited to (2^31)-1 |
|
|
85 |
if (!$hasINT64 && !defined('PHP_INT_MIN')) { |
|
|
86 |
define('PHP_INT_MIN', ~PHP_INT_MAX); |
|
|
87 |
} |
|
|
88 |
} |
|
|
89 |
// if integers are 64-bit - no other check required |
|
|
90 |
if ($hasINT64 || (($num <= PHP_INT_MAX) && ($num >= PHP_INT_MIN))) { |
|
|
91 |
return true; |
|
|
92 |
} |
|
|
93 |
return false; |
|
|
94 |
} |
|
|
95 |
|
|
|
96 |
public static function DecimalizeFraction($fraction) { |
|
|
97 |
list($numerator, $denominator) = explode('/', $fraction); |
|
|
98 |
return $numerator / ($denominator ? $denominator : 1); |
|
|
99 |
} |
|
|
100 |
|
|
|
101 |
|
|
|
102 |
public static function DecimalBinary2Float($binarynumerator) { |
|
|
103 |
$numerator = self::Bin2Dec($binarynumerator); |
|
|
104 |
$denominator = self::Bin2Dec('1'.str_repeat('0', strlen($binarynumerator))); |
|
|
105 |
return ($numerator / $denominator); |
|
|
106 |
} |
|
|
107 |
|
|
|
108 |
|
|
|
109 |
public static function NormalizeBinaryPoint($binarypointnumber, $maxbits=52) { |
|
|
110 |
// http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/binary.html |
|
|
111 |
if (strpos($binarypointnumber, '.') === false) { |
|
|
112 |
$binarypointnumber = '0.'.$binarypointnumber; |
|
|
113 |
} elseif ($binarypointnumber{0} == '.') { |
|
|
114 |
$binarypointnumber = '0'.$binarypointnumber; |
|
|
115 |
} |
|
|
116 |
$exponent = 0; |
|
|
117 |
while (($binarypointnumber{0} != '1') || (substr($binarypointnumber, 1, 1) != '.')) { |
|
|
118 |
if (substr($binarypointnumber, 1, 1) == '.') { |
|
|
119 |
$exponent--; |
|
|
120 |
$binarypointnumber = substr($binarypointnumber, 2, 1).'.'.substr($binarypointnumber, 3); |
|
|
121 |
} else { |
|
|
122 |
$pointpos = strpos($binarypointnumber, '.'); |
|
|
123 |
$exponent += ($pointpos - 1); |
|
|
124 |
$binarypointnumber = str_replace('.', '', $binarypointnumber); |
|
|
125 |
$binarypointnumber = $binarypointnumber{0}.'.'.substr($binarypointnumber, 1); |
|
|
126 |
} |
|
|
127 |
} |
|
|
128 |
$binarypointnumber = str_pad(substr($binarypointnumber, 0, $maxbits + 2), $maxbits + 2, '0', STR_PAD_RIGHT); |
|
|
129 |
return array('normalized'=>$binarypointnumber, 'exponent'=>(int) $exponent); |
|
|
130 |
} |
|
|
131 |
|
|
|
132 |
|
|
|
133 |
public static function Float2BinaryDecimal($floatvalue) { |
|
|
134 |
// http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/binary.html |
|
|
135 |
$maxbits = 128; // to how many bits of precision should the calculations be taken? |
|
|
136 |
$intpart = self::trunc($floatvalue); |
|
|
137 |
$floatpart = abs($floatvalue - $intpart); |
|
|
138 |
$pointbitstring = ''; |
|
|
139 |
while (($floatpart != 0) && (strlen($pointbitstring) < $maxbits)) { |
|
|
140 |
$floatpart *= 2; |
|
|
141 |
$pointbitstring .= (string) self::trunc($floatpart); |
|
|
142 |
$floatpart -= self::trunc($floatpart); |
|
|
143 |
} |
|
|
144 |
$binarypointnumber = decbin($intpart).'.'.$pointbitstring; |
|
|
145 |
return $binarypointnumber; |
|
|
146 |
} |
|
|
147 |
|
|
|
148 |
|
|
|
149 |
public static function Float2String($floatvalue, $bits) { |
|
|
150 |
// http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee-expl.html |
|
|
151 |
switch ($bits) { |
|
|
152 |
case 32: |
|
|
153 |
$exponentbits = 8; |
|
|
154 |
$fractionbits = 23; |
|
|
155 |
break; |
|
|
156 |
|
|
|
157 |
case 64: |
|
|
158 |
$exponentbits = 11; |
|
|
159 |
$fractionbits = 52; |
|
|
160 |
break; |
|
|
161 |
|
|
|
162 |
default: |
|
|
163 |
return false; |
|
|
164 |
break; |
|
|
165 |
} |
|
|
166 |
if ($floatvalue >= 0) { |
|
|
167 |
$signbit = '0'; |
|
|
168 |
} else { |
|
|
169 |
$signbit = '1'; |
|
|
170 |
} |
|
|
171 |
$normalizedbinary = self::NormalizeBinaryPoint(self::Float2BinaryDecimal($floatvalue), $fractionbits); |
|
|
172 |
$biasedexponent = pow(2, $exponentbits - 1) - 1 + $normalizedbinary['exponent']; // (127 or 1023) +/- exponent |
|
|
173 |
$exponentbitstring = str_pad(decbin($biasedexponent), $exponentbits, '0', STR_PAD_LEFT); |
|
|
174 |
$fractionbitstring = str_pad(substr($normalizedbinary['normalized'], 2), $fractionbits, '0', STR_PAD_RIGHT); |
|
|
175 |
|
|
|
176 |
return self::BigEndian2String(self::Bin2Dec($signbit.$exponentbitstring.$fractionbitstring), $bits % 8, false); |
|
|
177 |
} |
|
|
178 |
|
|
|
179 |
|
|
|
180 |
public static function LittleEndian2Float($byteword) { |
|
|
181 |
return self::BigEndian2Float(strrev($byteword)); |
|
|
182 |
} |
|
|
183 |
|
|
|
184 |
|
|
|
185 |
public static function BigEndian2Float($byteword) { |
|
|
186 |
// ANSI/IEEE Standard 754-1985, Standard for Binary Floating Point Arithmetic |
|
|
187 |
// http://www.psc.edu/general/software/packages/ieee/ieee.html |
|
|
188 |
// http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee.html |
|
|
189 |
|
|
|
190 |
$bitword = self::BigEndian2Bin($byteword); |
|
|
191 |
if (!$bitword) { |
|
|
192 |
return 0; |
|
|
193 |
} |
|
|
194 |
$signbit = $bitword{0}; |
|
|
195 |
|
|
|
196 |
switch (strlen($byteword) * 8) { |
|
|
197 |
case 32: |
|
|
198 |
$exponentbits = 8; |
|
|
199 |
$fractionbits = 23; |
|
|
200 |
break; |
|
|
201 |
|
|
|
202 |
case 64: |
|
|
203 |
$exponentbits = 11; |
|
|
204 |
$fractionbits = 52; |
|
|
205 |
break; |
|
|
206 |
|
|
|
207 |
case 80: |
|
|
208 |
// 80-bit Apple SANE format |
|
|
209 |
// http://www.mactech.com/articles/mactech/Vol.06/06.01/SANENormalized/ |
|
|
210 |
$exponentstring = substr($bitword, 1, 15); |
|
|
211 |
$isnormalized = intval($bitword{16}); |
|
|
212 |
$fractionstring = substr($bitword, 17, 63); |
|
|
213 |
$exponent = pow(2, self::Bin2Dec($exponentstring) - 16383); |
|
|
214 |
$fraction = $isnormalized + self::DecimalBinary2Float($fractionstring); |
|
|
215 |
$floatvalue = $exponent * $fraction; |
|
|
216 |
if ($signbit == '1') { |
|
|
217 |
$floatvalue *= -1; |
|
|
218 |
} |
|
|
219 |
return $floatvalue; |
|
|
220 |
break; |
|
|
221 |
|
|
|
222 |
default: |
|
|
223 |
return false; |
|
|
224 |
break; |
|
|
225 |
} |
|
|
226 |
$exponentstring = substr($bitword, 1, $exponentbits); |
|
|
227 |
$fractionstring = substr($bitword, $exponentbits + 1, $fractionbits); |
|
|
228 |
$exponent = self::Bin2Dec($exponentstring); |
|
|
229 |
$fraction = self::Bin2Dec($fractionstring); |
|
|
230 |
|
|
|
231 |
if (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction != 0)) { |
|
|
232 |
// Not a Number |
|
|
233 |
$floatvalue = false; |
|
|
234 |
} elseif (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction == 0)) { |
|
|
235 |
if ($signbit == '1') { |
|
|
236 |
$floatvalue = '-infinity'; |
|
|
237 |
} else { |
|
|
238 |
$floatvalue = '+infinity'; |
|
|
239 |
} |
|
|
240 |
} elseif (($exponent == 0) && ($fraction == 0)) { |
|
|
241 |
if ($signbit == '1') { |
|
|
242 |
$floatvalue = -0; |
|
|
243 |
} else { |
|
|
244 |
$floatvalue = 0; |
|
|
245 |
} |
|
|
246 |
$floatvalue = ($signbit ? 0 : -0); |
|
|
247 |
} elseif (($exponent == 0) && ($fraction != 0)) { |
|
|
248 |
// These are 'unnormalized' values |
|
|
249 |
$floatvalue = pow(2, (-1 * (pow(2, $exponentbits - 1) - 2))) * self::DecimalBinary2Float($fractionstring); |
|
|
250 |
if ($signbit == '1') { |
|
|
251 |
$floatvalue *= -1; |
|
|
252 |
} |
|
|
253 |
} elseif ($exponent != 0) { |
|
|
254 |
$floatvalue = pow(2, ($exponent - (pow(2, $exponentbits - 1) - 1))) * (1 + self::DecimalBinary2Float($fractionstring)); |
|
|
255 |
if ($signbit == '1') { |
|
|
256 |
$floatvalue *= -1; |
|
|
257 |
} |
|
|
258 |
} |
|
|
259 |
return (float) $floatvalue; |
|
|
260 |
} |
|
|
261 |
|
|
|
262 |
|
|
|
263 |
public static function BigEndian2Int($byteword, $synchsafe=false, $signed=false) { |
|
|
264 |
$intvalue = 0; |
|
|
265 |
$bytewordlen = strlen($byteword); |
|
|
266 |
if ($bytewordlen == 0) { |
|
|
267 |
return false; |
|
|
268 |
} |
|
|
269 |
for ($i = 0; $i < $bytewordlen; $i++) { |
|
|
270 |
if ($synchsafe) { // disregard MSB, effectively 7-bit bytes |
|
|
271 |
//$intvalue = $intvalue | (ord($byteword{$i}) & 0x7F) << (($bytewordlen - 1 - $i) * 7); // faster, but runs into problems past 2^31 on 32-bit systems |
|
|
272 |
$intvalue += (ord($byteword{$i}) & 0x7F) * pow(2, ($bytewordlen - 1 - $i) * 7); |
|
|
273 |
} else { |
|
|
274 |
$intvalue += ord($byteword{$i}) * pow(256, ($bytewordlen - 1 - $i)); |
|
|
275 |
} |
|
|
276 |
} |
|
|
277 |
if ($signed && !$synchsafe) { |
|
|
278 |
// synchsafe ints are not allowed to be signed |
|
|
279 |
if ($bytewordlen <= PHP_INT_SIZE) { |
|
|
280 |
$signMaskBit = 0x80 << (8 * ($bytewordlen - 1)); |
|
|
281 |
if ($intvalue & $signMaskBit) { |
|
|
282 |
$intvalue = 0 - ($intvalue & ($signMaskBit - 1)); |
|
|
283 |
} |
|
|
284 |
} else { |
|
|
285 |
throw new Exception('ERROR: Cannot have signed integers larger than '.(8 * PHP_INT_SIZE).'-bits ('.strlen($byteword).') in self::BigEndian2Int()'); |
|
|
286 |
} |
|
|
287 |
} |
|
|
288 |
return self::CastAsInt($intvalue); |
|
|
289 |
} |
|
|
290 |
|
|
|
291 |
|
|
|
292 |
public static function LittleEndian2Int($byteword, $signed=false) { |
|
|
293 |
return self::BigEndian2Int(strrev($byteword), false, $signed); |
|
|
294 |
} |
|
|
295 |
|
|
|
296 |
|
|
|
297 |
public static function BigEndian2Bin($byteword) { |
|
|
298 |
$binvalue = ''; |
|
|
299 |
$bytewordlen = strlen($byteword); |
|
|
300 |
for ($i = 0; $i < $bytewordlen; $i++) { |
|
|
301 |
$binvalue .= str_pad(decbin(ord($byteword{$i})), 8, '0', STR_PAD_LEFT); |
|
|
302 |
} |
|
|
303 |
return $binvalue; |
|
|
304 |
} |
|
|
305 |
|
|
|
306 |
|
|
|
307 |
public static function BigEndian2String($number, $minbytes=1, $synchsafe=false, $signed=false) { |
|
|
308 |
if ($number < 0) { |
|
|
309 |
throw new Exception('ERROR: self::BigEndian2String() does not support negative numbers'); |
|
|
310 |
} |
|
|
311 |
$maskbyte = (($synchsafe || $signed) ? 0x7F : 0xFF); |
|
|
312 |
$intstring = ''; |
|
|
313 |
if ($signed) { |
|
|
314 |
if ($minbytes > PHP_INT_SIZE) { |
|
|
315 |
throw new Exception('ERROR: Cannot have signed integers larger than '.(8 * PHP_INT_SIZE).'-bits in self::BigEndian2String()'); |
|
|
316 |
} |
|
|
317 |
$number = $number & (0x80 << (8 * ($minbytes - 1))); |
|
|
318 |
} |
|
|
319 |
while ($number != 0) { |
|
|
320 |
$quotient = ($number / ($maskbyte + 1)); |
|
|
321 |
$intstring = chr(ceil(($quotient - floor($quotient)) * $maskbyte)).$intstring; |
|
|
322 |
$number = floor($quotient); |
|
|
323 |
} |
|
|
324 |
return str_pad($intstring, $minbytes, "\x00", STR_PAD_LEFT); |
|
|
325 |
} |
|
|
326 |
|
|
|
327 |
|
|
|
328 |
public static function Dec2Bin($number) { |
|
|
329 |
while ($number >= 256) { |
|
|
330 |
$bytes[] = (($number / 256) - (floor($number / 256))) * 256; |
|
|
331 |
$number = floor($number / 256); |
|
|
332 |
} |
|
|
333 |
$bytes[] = $number; |
|
|
334 |
$binstring = ''; |
|
|
335 |
for ($i = 0; $i < count($bytes); $i++) { |
|
|
336 |
$binstring = (($i == count($bytes) - 1) ? decbin($bytes[$i]) : str_pad(decbin($bytes[$i]), 8, '0', STR_PAD_LEFT)).$binstring; |
|
|
337 |
} |
|
|
338 |
return $binstring; |
|
|
339 |
} |
|
|
340 |
|
|
|
341 |
|
|
|
342 |
public static function Bin2Dec($binstring, $signed=false) { |
|
|
343 |
$signmult = 1; |
|
|
344 |
if ($signed) { |
|
|
345 |
if ($binstring{0} == '1') { |
|
|
346 |
$signmult = -1; |
|
|
347 |
} |
|
|
348 |
$binstring = substr($binstring, 1); |
|
|
349 |
} |
|
|
350 |
$decvalue = 0; |
|
|
351 |
for ($i = 0; $i < strlen($binstring); $i++) { |
|
|
352 |
$decvalue += ((int) substr($binstring, strlen($binstring) - $i - 1, 1)) * pow(2, $i); |
|
|
353 |
} |
|
|
354 |
return self::CastAsInt($decvalue * $signmult); |
|
|
355 |
} |
|
|
356 |
|
|
|
357 |
|
|
|
358 |
public static function Bin2String($binstring) { |
|
|
359 |
// return 'hi' for input of '0110100001101001' |
|
|
360 |
$string = ''; |
|
|
361 |
$binstringreversed = strrev($binstring); |
|
|
362 |
for ($i = 0; $i < strlen($binstringreversed); $i += 8) { |
|
|
363 |
$string = chr(self::Bin2Dec(strrev(substr($binstringreversed, $i, 8)))).$string; |
|
|
364 |
} |
|
|
365 |
return $string; |
|
|
366 |
} |
|
|
367 |
|
|
|
368 |
|
|
|
369 |
public static function LittleEndian2String($number, $minbytes=1, $synchsafe=false) { |
|
|
370 |
$intstring = ''; |
|
|
371 |
while ($number > 0) { |
|
|
372 |
if ($synchsafe) { |
|
|
373 |
$intstring = $intstring.chr($number & 127); |
|
|
374 |
$number >>= 7; |
|
|
375 |
} else { |
|
|
376 |
$intstring = $intstring.chr($number & 255); |
|
|
377 |
$number >>= 8; |
|
|
378 |
} |
|
|
379 |
} |
|
|
380 |
return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT); |
|
|
381 |
} |
|
|
382 |
|
|
|
383 |
|
|
|
384 |
public static function array_merge_clobber($array1, $array2) { |
|
|
385 |
// written by kcรhireability*com |
|
|
386 |
// taken from http://www.php.net/manual/en/function.array-merge-recursive.php |
|
|
387 |
if (!is_array($array1) || !is_array($array2)) { |
|
|
388 |
return false; |
|
|
389 |
} |
|
|
390 |
$newarray = $array1; |
|
|
391 |
foreach ($array2 as $key => $val) { |
|
|
392 |
if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) { |
|
|
393 |
$newarray[$key] = self::array_merge_clobber($newarray[$key], $val); |
|
|
394 |
} else { |
|
|
395 |
$newarray[$key] = $val; |
|
|
396 |
} |
|
|
397 |
} |
|
|
398 |
return $newarray; |
|
|
399 |
} |
|
|
400 |
|
|
|
401 |
|
|
|
402 |
public static function array_merge_noclobber($array1, $array2) { |
|
|
403 |
if (!is_array($array1) || !is_array($array2)) { |
|
|
404 |
return false; |
|
|
405 |
} |
|
|
406 |
$newarray = $array1; |
|
|
407 |
foreach ($array2 as $key => $val) { |
|
|
408 |
if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) { |
|
|
409 |
$newarray[$key] = self::array_merge_noclobber($newarray[$key], $val); |
|
|
410 |
} elseif (!isset($newarray[$key])) { |
|
|
411 |
$newarray[$key] = $val; |
|
|
412 |
} |
|
|
413 |
} |
|
|
414 |
return $newarray; |
|
|
415 |
} |
|
|
416 |
|
|
|
417 |
|
|
|
418 |
public static function ksort_recursive(&$theArray) { |
|
|
419 |
ksort($theArray); |
|
|
420 |
foreach ($theArray as $key => $value) { |
|
|
421 |
if (is_array($value)) { |
|
|
422 |
self::ksort_recursive($theArray[$key]); |
|
|
423 |
} |
|
|
424 |
} |
|
|
425 |
return true; |
|
|
426 |
} |
|
|
427 |
|
|
|
428 |
public static function fileextension($filename, $numextensions=1) { |
|
|
429 |
if (strstr($filename, '.')) { |
|
|
430 |
$reversedfilename = strrev($filename); |
|
|
431 |
$offset = 0; |
|
|
432 |
for ($i = 0; $i < $numextensions; $i++) { |
|
|
433 |
$offset = strpos($reversedfilename, '.', $offset + 1); |
|
|
434 |
if ($offset === false) { |
|
|
435 |
return ''; |
|
|
436 |
} |
|
|
437 |
} |
|
|
438 |
return strrev(substr($reversedfilename, 0, $offset)); |
|
|
439 |
} |
|
|
440 |
return ''; |
|
|
441 |
} |
|
|
442 |
|
|
|
443 |
|
|
|
444 |
public static function PlaytimeString($seconds) { |
|
|
445 |
$sign = (($seconds < 0) ? '-' : ''); |
|
|
446 |
$seconds = round(abs($seconds)); |
|
|
447 |
$H = (int) floor( $seconds / 3600); |
|
|
448 |
$M = (int) floor(($seconds - (3600 * $H) ) / 60); |
|
|
449 |
$S = (int) round( $seconds - (3600 * $H) - (60 * $M) ); |
|
|
450 |
return $sign.($H ? $H.':' : '').($H ? str_pad($M, 2, '0', STR_PAD_LEFT) : intval($M)).':'.str_pad($S, 2, 0, STR_PAD_LEFT); |
|
|
451 |
} |
|
|
452 |
|
|
|
453 |
|
|
|
454 |
public static function DateMac2Unix($macdate) { |
|
|
455 |
// Macintosh timestamp: seconds since 00:00h January 1, 1904 |
|
|
456 |
// UNIX timestamp: seconds since 00:00h January 1, 1970 |
|
|
457 |
return self::CastAsInt($macdate - 2082844800); |
|
|
458 |
} |
|
|
459 |
|
|
|
460 |
|
|
|
461 |
public static function FixedPoint8_8($rawdata) { |
|
|
462 |
return self::BigEndian2Int(substr($rawdata, 0, 1)) + (float) (self::BigEndian2Int(substr($rawdata, 1, 1)) / pow(2, 8)); |
|
|
463 |
} |
|
|
464 |
|
|
|
465 |
|
|
|
466 |
public static function FixedPoint16_16($rawdata) { |
|
|
467 |
return self::BigEndian2Int(substr($rawdata, 0, 2)) + (float) (self::BigEndian2Int(substr($rawdata, 2, 2)) / pow(2, 16)); |
|
|
468 |
} |
|
|
469 |
|
|
|
470 |
|
|
|
471 |
public static function FixedPoint2_30($rawdata) { |
|
|
472 |
$binarystring = self::BigEndian2Bin($rawdata); |
|
|
473 |
return self::Bin2Dec(substr($binarystring, 0, 2)) + (float) (self::Bin2Dec(substr($binarystring, 2, 30)) / pow(2, 30)); |
|
|
474 |
} |
|
|
475 |
|
|
|
476 |
|
|
|
477 |
public static function CreateDeepArray($ArrayPath, $Separator, $Value) { |
|
|
478 |
// assigns $Value to a nested array path: |
|
|
479 |
// $foo = self::CreateDeepArray('/path/to/my', '/', 'file.txt') |
|
|
480 |
// is the same as: |
|
|
481 |
// $foo = array('path'=>array('to'=>'array('my'=>array('file.txt')))); |
|
|
482 |
// or |
|
|
483 |
// $foo['path']['to']['my'] = 'file.txt'; |
|
|
484 |
$ArrayPath = ltrim($ArrayPath, $Separator); |
|
|
485 |
if (($pos = strpos($ArrayPath, $Separator)) !== false) { |
|
|
486 |
$ReturnedArray[substr($ArrayPath, 0, $pos)] = self::CreateDeepArray(substr($ArrayPath, $pos + 1), $Separator, $Value); |
|
|
487 |
} else { |
|
|
488 |
$ReturnedArray[$ArrayPath] = $Value; |
|
|
489 |
} |
|
|
490 |
return $ReturnedArray; |
|
|
491 |
} |
|
|
492 |
|
|
|
493 |
public static function array_max($arraydata, $returnkey=false) { |
|
|
494 |
$maxvalue = false; |
|
|
495 |
$maxkey = false; |
|
|
496 |
foreach ($arraydata as $key => $value) { |
|
|
497 |
if (!is_array($value)) { |
|
|
498 |
if ($value > $maxvalue) { |
|
|
499 |
$maxvalue = $value; |
|
|
500 |
$maxkey = $key; |
|
|
501 |
} |
|
|
502 |
} |
|
|
503 |
} |
|
|
504 |
return ($returnkey ? $maxkey : $maxvalue); |
|
|
505 |
} |
|
|
506 |
|
|
|
507 |
public static function array_min($arraydata, $returnkey=false) { |
|
|
508 |
$minvalue = false; |
|
|
509 |
$minkey = false; |
|
|
510 |
foreach ($arraydata as $key => $value) { |
|
|
511 |
if (!is_array($value)) { |
|
|
512 |
if ($value > $minvalue) { |
|
|
513 |
$minvalue = $value; |
|
|
514 |
$minkey = $key; |
|
|
515 |
} |
|
|
516 |
} |
|
|
517 |
} |
|
|
518 |
return ($returnkey ? $minkey : $minvalue); |
|
|
519 |
} |
|
|
520 |
|
|
|
521 |
public static function XML2array($XMLstring) { |
|
5
|
522 |
if ( function_exists( 'simplexml_load_string' ) && function_exists( 'libxml_disable_entity_loader' ) ) { |
|
|
523 |
$loader = libxml_disable_entity_loader( true ); |
|
|
524 |
$XMLobject = simplexml_load_string( $XMLstring, 'SimpleXMLElement', LIBXML_NOENT ); |
|
|
525 |
$return = self::SimpleXMLelement2array( $XMLobject ); |
|
|
526 |
libxml_disable_entity_loader( $loader ); |
|
|
527 |
return $return; |
|
0
|
528 |
} |
|
|
529 |
return false; |
|
|
530 |
} |
|
|
531 |
|
|
|
532 |
public static function SimpleXMLelement2array($XMLobject) { |
|
|
533 |
if (!is_object($XMLobject) && !is_array($XMLobject)) { |
|
|
534 |
return $XMLobject; |
|
|
535 |
} |
|
|
536 |
$XMLarray = (is_object($XMLobject) ? get_object_vars($XMLobject) : $XMLobject); |
|
|
537 |
foreach ($XMLarray as $key => $value) { |
|
|
538 |
$XMLarray[$key] = self::SimpleXMLelement2array($value); |
|
|
539 |
} |
|
|
540 |
return $XMLarray; |
|
|
541 |
} |
|
|
542 |
|
|
|
543 |
|
|
|
544 |
// Allan Hansen <ahรartemis*dk> |
|
|
545 |
// self::md5_data() - returns md5sum for a file from startuing position to absolute end position |
|
|
546 |
public static function hash_data($file, $offset, $end, $algorithm) { |
|
|
547 |
static $tempdir = ''; |
|
|
548 |
if (!self::intValueSupported($end)) { |
|
|
549 |
return false; |
|
|
550 |
} |
|
|
551 |
switch ($algorithm) { |
|
|
552 |
case 'md5': |
|
|
553 |
$hash_function = 'md5_file'; |
|
|
554 |
$unix_call = 'md5sum'; |
|
|
555 |
$windows_call = 'md5sum.exe'; |
|
|
556 |
$hash_length = 32; |
|
|
557 |
break; |
|
|
558 |
|
|
|
559 |
case 'sha1': |
|
|
560 |
$hash_function = 'sha1_file'; |
|
|
561 |
$unix_call = 'sha1sum'; |
|
|
562 |
$windows_call = 'sha1sum.exe'; |
|
|
563 |
$hash_length = 40; |
|
|
564 |
break; |
|
|
565 |
|
|
|
566 |
default: |
|
|
567 |
throw new Exception('Invalid algorithm ('.$algorithm.') in self::hash_data()'); |
|
|
568 |
break; |
|
|
569 |
} |
|
|
570 |
$size = $end - $offset; |
|
|
571 |
while (true) { |
|
|
572 |
if (GETID3_OS_ISWINDOWS) { |
|
|
573 |
|
|
|
574 |
// It seems that sha1sum.exe for Windows only works on physical files, does not accept piped data |
|
|
575 |
// Fall back to create-temp-file method: |
|
|
576 |
if ($algorithm == 'sha1') { |
|
|
577 |
break; |
|
|
578 |
} |
|
|
579 |
|
|
|
580 |
$RequiredFiles = array('cygwin1.dll', 'head.exe', 'tail.exe', $windows_call); |
|
|
581 |
foreach ($RequiredFiles as $required_file) { |
|
|
582 |
if (!is_readable(GETID3_HELPERAPPSDIR.$required_file)) { |
|
|
583 |
// helper apps not available - fall back to old method |
|
|
584 |
break 2; |
|
|
585 |
} |
|
|
586 |
} |
|
|
587 |
$commandline = GETID3_HELPERAPPSDIR.'head.exe -c '.$end.' '.escapeshellarg(str_replace('/', DIRECTORY_SEPARATOR, $file)).' | '; |
|
|
588 |
$commandline .= GETID3_HELPERAPPSDIR.'tail.exe -c '.$size.' | '; |
|
|
589 |
$commandline .= GETID3_HELPERAPPSDIR.$windows_call; |
|
|
590 |
|
|
|
591 |
} else { |
|
|
592 |
|
|
|
593 |
$commandline = 'head -c'.$end.' '.escapeshellarg($file).' | '; |
|
|
594 |
$commandline .= 'tail -c'.$size.' | '; |
|
|
595 |
$commandline .= $unix_call; |
|
|
596 |
|
|
|
597 |
} |
|
|
598 |
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) { |
|
|
599 |
//throw new Exception('PHP running in Safe Mode - backtick operator not available, using slower non-system-call '.$algorithm.' algorithm'); |
|
|
600 |
break; |
|
|
601 |
} |
|
|
602 |
return substr(`$commandline`, 0, $hash_length); |
|
|
603 |
} |
|
|
604 |
|
|
|
605 |
if (empty($tempdir)) { |
|
|
606 |
// yes this is ugly, feel free to suggest a better way |
|
|
607 |
require_once(dirname(__FILE__).'/getid3.php'); |
|
|
608 |
$getid3_temp = new getID3(); |
|
|
609 |
$tempdir = $getid3_temp->tempdir; |
|
|
610 |
unset($getid3_temp); |
|
|
611 |
} |
|
|
612 |
// try to create a temporary file in the system temp directory - invalid dirname should force to system temp dir |
|
|
613 |
if (($data_filename = tempnam($tempdir, 'gI3')) === false) { |
|
|
614 |
// can't find anywhere to create a temp file, just fail |
|
|
615 |
return false; |
|
|
616 |
} |
|
|
617 |
|
|
|
618 |
// Init |
|
|
619 |
$result = false; |
|
|
620 |
|
|
|
621 |
// copy parts of file |
|
|
622 |
try { |
|
|
623 |
self::CopyFileParts($file, $data_filename, $offset, $end - $offset); |
|
|
624 |
$result = $hash_function($data_filename); |
|
|
625 |
} catch (Exception $e) { |
|
|
626 |
throw new Exception('self::CopyFileParts() failed in getid_lib::hash_data(): '.$e->getMessage()); |
|
|
627 |
} |
|
|
628 |
unlink($data_filename); |
|
|
629 |
return $result; |
|
|
630 |
} |
|
|
631 |
|
|
|
632 |
public static function CopyFileParts($filename_source, $filename_dest, $offset, $length) { |
|
|
633 |
if (!self::intValueSupported($offset + $length)) { |
|
|
634 |
throw new Exception('cannot copy file portion, it extends beyond the '.round(PHP_INT_MAX / 1073741824).'GB limit'); |
|
|
635 |
} |
|
|
636 |
if (is_readable($filename_source) && is_file($filename_source) && ($fp_src = fopen($filename_source, 'rb'))) { |
|
|
637 |
if (($fp_dest = fopen($filename_dest, 'wb'))) { |
|
5
|
638 |
if (fseek($fp_src, $offset) == 0) { |
|
0
|
639 |
$byteslefttowrite = $length; |
|
|
640 |
while (($byteslefttowrite > 0) && ($buffer = fread($fp_src, min($byteslefttowrite, getID3::FREAD_BUFFER_SIZE)))) { |
|
|
641 |
$byteswritten = fwrite($fp_dest, $buffer, $byteslefttowrite); |
|
|
642 |
$byteslefttowrite -= $byteswritten; |
|
|
643 |
} |
|
|
644 |
return true; |
|
|
645 |
} else { |
|
|
646 |
throw new Exception('failed to seek to offset '.$offset.' in '.$filename_source); |
|
|
647 |
} |
|
|
648 |
fclose($fp_dest); |
|
|
649 |
} else { |
|
|
650 |
throw new Exception('failed to create file for writing '.$filename_dest); |
|
|
651 |
} |
|
|
652 |
fclose($fp_src); |
|
|
653 |
} else { |
|
|
654 |
throw new Exception('failed to open file for reading '.$filename_source); |
|
|
655 |
} |
|
|
656 |
return false; |
|
|
657 |
} |
|
|
658 |
|
|
|
659 |
public static function iconv_fallback_int_utf8($charval) { |
|
|
660 |
if ($charval < 128) { |
|
|
661 |
// 0bbbbbbb |
|
|
662 |
$newcharstring = chr($charval); |
|
|
663 |
} elseif ($charval < 2048) { |
|
|
664 |
// 110bbbbb 10bbbbbb |
|
|
665 |
$newcharstring = chr(($charval >> 6) | 0xC0); |
|
|
666 |
$newcharstring .= chr(($charval & 0x3F) | 0x80); |
|
|
667 |
} elseif ($charval < 65536) { |
|
|
668 |
// 1110bbbb 10bbbbbb 10bbbbbb |
|
|
669 |
$newcharstring = chr(($charval >> 12) | 0xE0); |
|
|
670 |
$newcharstring .= chr(($charval >> 6) | 0xC0); |
|
|
671 |
$newcharstring .= chr(($charval & 0x3F) | 0x80); |
|
|
672 |
} else { |
|
|
673 |
// 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb |
|
|
674 |
$newcharstring = chr(($charval >> 18) | 0xF0); |
|
|
675 |
$newcharstring .= chr(($charval >> 12) | 0xC0); |
|
|
676 |
$newcharstring .= chr(($charval >> 6) | 0xC0); |
|
|
677 |
$newcharstring .= chr(($charval & 0x3F) | 0x80); |
|
|
678 |
} |
|
|
679 |
return $newcharstring; |
|
|
680 |
} |
|
|
681 |
|
|
|
682 |
// ISO-8859-1 => UTF-8 |
|
|
683 |
public static function iconv_fallback_iso88591_utf8($string, $bom=false) { |
|
|
684 |
if (function_exists('utf8_encode')) { |
|
|
685 |
return utf8_encode($string); |
|
|
686 |
} |
|
|
687 |
// utf8_encode() unavailable, use getID3()'s iconv_fallback() conversions (possibly PHP is compiled without XML support) |
|
|
688 |
$newcharstring = ''; |
|
|
689 |
if ($bom) { |
|
|
690 |
$newcharstring .= "\xEF\xBB\xBF"; |
|
|
691 |
} |
|
|
692 |
for ($i = 0; $i < strlen($string); $i++) { |
|
|
693 |
$charval = ord($string{$i}); |
|
|
694 |
$newcharstring .= self::iconv_fallback_int_utf8($charval); |
|
|
695 |
} |
|
|
696 |
return $newcharstring; |
|
|
697 |
} |
|
|
698 |
|
|
|
699 |
// ISO-8859-1 => UTF-16BE |
|
|
700 |
public static function iconv_fallback_iso88591_utf16be($string, $bom=false) { |
|
|
701 |
$newcharstring = ''; |
|
|
702 |
if ($bom) { |
|
|
703 |
$newcharstring .= "\xFE\xFF"; |
|
|
704 |
} |
|
|
705 |
for ($i = 0; $i < strlen($string); $i++) { |
|
|
706 |
$newcharstring .= "\x00".$string{$i}; |
|
|
707 |
} |
|
|
708 |
return $newcharstring; |
|
|
709 |
} |
|
|
710 |
|
|
|
711 |
// ISO-8859-1 => UTF-16LE |
|
|
712 |
public static function iconv_fallback_iso88591_utf16le($string, $bom=false) { |
|
|
713 |
$newcharstring = ''; |
|
|
714 |
if ($bom) { |
|
|
715 |
$newcharstring .= "\xFF\xFE"; |
|
|
716 |
} |
|
|
717 |
for ($i = 0; $i < strlen($string); $i++) { |
|
|
718 |
$newcharstring .= $string{$i}."\x00"; |
|
|
719 |
} |
|
|
720 |
return $newcharstring; |
|
|
721 |
} |
|
|
722 |
|
|
|
723 |
// ISO-8859-1 => UTF-16LE (BOM) |
|
|
724 |
public static function iconv_fallback_iso88591_utf16($string) { |
|
|
725 |
return self::iconv_fallback_iso88591_utf16le($string, true); |
|
|
726 |
} |
|
|
727 |
|
|
|
728 |
// UTF-8 => ISO-8859-1 |
|
|
729 |
public static function iconv_fallback_utf8_iso88591($string) { |
|
|
730 |
if (function_exists('utf8_decode')) { |
|
|
731 |
return utf8_decode($string); |
|
|
732 |
} |
|
|
733 |
// utf8_decode() unavailable, use getID3()'s iconv_fallback() conversions (possibly PHP is compiled without XML support) |
|
|
734 |
$newcharstring = ''; |
|
|
735 |
$offset = 0; |
|
|
736 |
$stringlength = strlen($string); |
|
|
737 |
while ($offset < $stringlength) { |
|
|
738 |
if ((ord($string{$offset}) | 0x07) == 0xF7) { |
|
|
739 |
// 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb |
|
|
740 |
$charval = ((ord($string{($offset + 0)}) & 0x07) << 18) & |
|
|
741 |
((ord($string{($offset + 1)}) & 0x3F) << 12) & |
|
|
742 |
((ord($string{($offset + 2)}) & 0x3F) << 6) & |
|
|
743 |
(ord($string{($offset + 3)}) & 0x3F); |
|
|
744 |
$offset += 4; |
|
|
745 |
} elseif ((ord($string{$offset}) | 0x0F) == 0xEF) { |
|
|
746 |
// 1110bbbb 10bbbbbb 10bbbbbb |
|
|
747 |
$charval = ((ord($string{($offset + 0)}) & 0x0F) << 12) & |
|
|
748 |
((ord($string{($offset + 1)}) & 0x3F) << 6) & |
|
|
749 |
(ord($string{($offset + 2)}) & 0x3F); |
|
|
750 |
$offset += 3; |
|
|
751 |
} elseif ((ord($string{$offset}) | 0x1F) == 0xDF) { |
|
|
752 |
// 110bbbbb 10bbbbbb |
|
|
753 |
$charval = ((ord($string{($offset + 0)}) & 0x1F) << 6) & |
|
|
754 |
(ord($string{($offset + 1)}) & 0x3F); |
|
|
755 |
$offset += 2; |
|
|
756 |
} elseif ((ord($string{$offset}) | 0x7F) == 0x7F) { |
|
|
757 |
// 0bbbbbbb |
|
|
758 |
$charval = ord($string{$offset}); |
|
|
759 |
$offset += 1; |
|
|
760 |
} else { |
|
|
761 |
// error? throw some kind of warning here? |
|
|
762 |
$charval = false; |
|
|
763 |
$offset += 1; |
|
|
764 |
} |
|
|
765 |
if ($charval !== false) { |
|
|
766 |
$newcharstring .= (($charval < 256) ? chr($charval) : '?'); |
|
|
767 |
} |
|
|
768 |
} |
|
|
769 |
return $newcharstring; |
|
|
770 |
} |
|
|
771 |
|
|
|
772 |
// UTF-8 => UTF-16BE |
|
|
773 |
public static function iconv_fallback_utf8_utf16be($string, $bom=false) { |
|
|
774 |
$newcharstring = ''; |
|
|
775 |
if ($bom) { |
|
|
776 |
$newcharstring .= "\xFE\xFF"; |
|
|
777 |
} |
|
|
778 |
$offset = 0; |
|
|
779 |
$stringlength = strlen($string); |
|
|
780 |
while ($offset < $stringlength) { |
|
|
781 |
if ((ord($string{$offset}) | 0x07) == 0xF7) { |
|
|
782 |
// 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb |
|
|
783 |
$charval = ((ord($string{($offset + 0)}) & 0x07) << 18) & |
|
|
784 |
((ord($string{($offset + 1)}) & 0x3F) << 12) & |
|
|
785 |
((ord($string{($offset + 2)}) & 0x3F) << 6) & |
|
|
786 |
(ord($string{($offset + 3)}) & 0x3F); |
|
|
787 |
$offset += 4; |
|
|
788 |
} elseif ((ord($string{$offset}) | 0x0F) == 0xEF) { |
|
|
789 |
// 1110bbbb 10bbbbbb 10bbbbbb |
|
|
790 |
$charval = ((ord($string{($offset + 0)}) & 0x0F) << 12) & |
|
|
791 |
((ord($string{($offset + 1)}) & 0x3F) << 6) & |
|
|
792 |
(ord($string{($offset + 2)}) & 0x3F); |
|
|
793 |
$offset += 3; |
|
|
794 |
} elseif ((ord($string{$offset}) | 0x1F) == 0xDF) { |
|
|
795 |
// 110bbbbb 10bbbbbb |
|
|
796 |
$charval = ((ord($string{($offset + 0)}) & 0x1F) << 6) & |
|
|
797 |
(ord($string{($offset + 1)}) & 0x3F); |
|
|
798 |
$offset += 2; |
|
|
799 |
} elseif ((ord($string{$offset}) | 0x7F) == 0x7F) { |
|
|
800 |
// 0bbbbbbb |
|
|
801 |
$charval = ord($string{$offset}); |
|
|
802 |
$offset += 1; |
|
|
803 |
} else { |
|
|
804 |
// error? throw some kind of warning here? |
|
|
805 |
$charval = false; |
|
|
806 |
$offset += 1; |
|
|
807 |
} |
|
|
808 |
if ($charval !== false) { |
|
|
809 |
$newcharstring .= (($charval < 65536) ? self::BigEndian2String($charval, 2) : "\x00".'?'); |
|
|
810 |
} |
|
|
811 |
} |
|
|
812 |
return $newcharstring; |
|
|
813 |
} |
|
|
814 |
|
|
|
815 |
// UTF-8 => UTF-16LE |
|
|
816 |
public static function iconv_fallback_utf8_utf16le($string, $bom=false) { |
|
|
817 |
$newcharstring = ''; |
|
|
818 |
if ($bom) { |
|
|
819 |
$newcharstring .= "\xFF\xFE"; |
|
|
820 |
} |
|
|
821 |
$offset = 0; |
|
|
822 |
$stringlength = strlen($string); |
|
|
823 |
while ($offset < $stringlength) { |
|
|
824 |
if ((ord($string{$offset}) | 0x07) == 0xF7) { |
|
|
825 |
// 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb |
|
|
826 |
$charval = ((ord($string{($offset + 0)}) & 0x07) << 18) & |
|
|
827 |
((ord($string{($offset + 1)}) & 0x3F) << 12) & |
|
|
828 |
((ord($string{($offset + 2)}) & 0x3F) << 6) & |
|
|
829 |
(ord($string{($offset + 3)}) & 0x3F); |
|
|
830 |
$offset += 4; |
|
|
831 |
} elseif ((ord($string{$offset}) | 0x0F) == 0xEF) { |
|
|
832 |
// 1110bbbb 10bbbbbb 10bbbbbb |
|
|
833 |
$charval = ((ord($string{($offset + 0)}) & 0x0F) << 12) & |
|
|
834 |
((ord($string{($offset + 1)}) & 0x3F) << 6) & |
|
|
835 |
(ord($string{($offset + 2)}) & 0x3F); |
|
|
836 |
$offset += 3; |
|
|
837 |
} elseif ((ord($string{$offset}) | 0x1F) == 0xDF) { |
|
|
838 |
// 110bbbbb 10bbbbbb |
|
|
839 |
$charval = ((ord($string{($offset + 0)}) & 0x1F) << 6) & |
|
|
840 |
(ord($string{($offset + 1)}) & 0x3F); |
|
|
841 |
$offset += 2; |
|
|
842 |
} elseif ((ord($string{$offset}) | 0x7F) == 0x7F) { |
|
|
843 |
// 0bbbbbbb |
|
|
844 |
$charval = ord($string{$offset}); |
|
|
845 |
$offset += 1; |
|
|
846 |
} else { |
|
|
847 |
// error? maybe throw some warning here? |
|
|
848 |
$charval = false; |
|
|
849 |
$offset += 1; |
|
|
850 |
} |
|
|
851 |
if ($charval !== false) { |
|
|
852 |
$newcharstring .= (($charval < 65536) ? self::LittleEndian2String($charval, 2) : '?'."\x00"); |
|
|
853 |
} |
|
|
854 |
} |
|
|
855 |
return $newcharstring; |
|
|
856 |
} |
|
|
857 |
|
|
|
858 |
// UTF-8 => UTF-16LE (BOM) |
|
|
859 |
public static function iconv_fallback_utf8_utf16($string) { |
|
|
860 |
return self::iconv_fallback_utf8_utf16le($string, true); |
|
|
861 |
} |
|
|
862 |
|
|
|
863 |
// UTF-16BE => UTF-8 |
|
|
864 |
public static function iconv_fallback_utf16be_utf8($string) { |
|
|
865 |
if (substr($string, 0, 2) == "\xFE\xFF") { |
|
|
866 |
// strip BOM |
|
|
867 |
$string = substr($string, 2); |
|
|
868 |
} |
|
|
869 |
$newcharstring = ''; |
|
|
870 |
for ($i = 0; $i < strlen($string); $i += 2) { |
|
|
871 |
$charval = self::BigEndian2Int(substr($string, $i, 2)); |
|
|
872 |
$newcharstring .= self::iconv_fallback_int_utf8($charval); |
|
|
873 |
} |
|
|
874 |
return $newcharstring; |
|
|
875 |
} |
|
|
876 |
|
|
|
877 |
// UTF-16LE => UTF-8 |
|
|
878 |
public static function iconv_fallback_utf16le_utf8($string) { |
|
|
879 |
if (substr($string, 0, 2) == "\xFF\xFE") { |
|
|
880 |
// strip BOM |
|
|
881 |
$string = substr($string, 2); |
|
|
882 |
} |
|
|
883 |
$newcharstring = ''; |
|
|
884 |
for ($i = 0; $i < strlen($string); $i += 2) { |
|
|
885 |
$charval = self::LittleEndian2Int(substr($string, $i, 2)); |
|
|
886 |
$newcharstring .= self::iconv_fallback_int_utf8($charval); |
|
|
887 |
} |
|
|
888 |
return $newcharstring; |
|
|
889 |
} |
|
|
890 |
|
|
|
891 |
// UTF-16BE => ISO-8859-1 |
|
|
892 |
public static function iconv_fallback_utf16be_iso88591($string) { |
|
|
893 |
if (substr($string, 0, 2) == "\xFE\xFF") { |
|
|
894 |
// strip BOM |
|
|
895 |
$string = substr($string, 2); |
|
|
896 |
} |
|
|
897 |
$newcharstring = ''; |
|
|
898 |
for ($i = 0; $i < strlen($string); $i += 2) { |
|
|
899 |
$charval = self::BigEndian2Int(substr($string, $i, 2)); |
|
|
900 |
$newcharstring .= (($charval < 256) ? chr($charval) : '?'); |
|
|
901 |
} |
|
|
902 |
return $newcharstring; |
|
|
903 |
} |
|
|
904 |
|
|
|
905 |
// UTF-16LE => ISO-8859-1 |
|
|
906 |
public static function iconv_fallback_utf16le_iso88591($string) { |
|
|
907 |
if (substr($string, 0, 2) == "\xFF\xFE") { |
|
|
908 |
// strip BOM |
|
|
909 |
$string = substr($string, 2); |
|
|
910 |
} |
|
|
911 |
$newcharstring = ''; |
|
|
912 |
for ($i = 0; $i < strlen($string); $i += 2) { |
|
|
913 |
$charval = self::LittleEndian2Int(substr($string, $i, 2)); |
|
|
914 |
$newcharstring .= (($charval < 256) ? chr($charval) : '?'); |
|
|
915 |
} |
|
|
916 |
return $newcharstring; |
|
|
917 |
} |
|
|
918 |
|
|
|
919 |
// UTF-16 (BOM) => ISO-8859-1 |
|
|
920 |
public static function iconv_fallback_utf16_iso88591($string) { |
|
|
921 |
$bom = substr($string, 0, 2); |
|
|
922 |
if ($bom == "\xFE\xFF") { |
|
|
923 |
return self::iconv_fallback_utf16be_iso88591(substr($string, 2)); |
|
|
924 |
} elseif ($bom == "\xFF\xFE") { |
|
|
925 |
return self::iconv_fallback_utf16le_iso88591(substr($string, 2)); |
|
|
926 |
} |
|
|
927 |
return $string; |
|
|
928 |
} |
|
|
929 |
|
|
|
930 |
// UTF-16 (BOM) => UTF-8 |
|
|
931 |
public static function iconv_fallback_utf16_utf8($string) { |
|
|
932 |
$bom = substr($string, 0, 2); |
|
|
933 |
if ($bom == "\xFE\xFF") { |
|
|
934 |
return self::iconv_fallback_utf16be_utf8(substr($string, 2)); |
|
|
935 |
} elseif ($bom == "\xFF\xFE") { |
|
|
936 |
return self::iconv_fallback_utf16le_utf8(substr($string, 2)); |
|
|
937 |
} |
|
|
938 |
return $string; |
|
|
939 |
} |
|
|
940 |
|
|
|
941 |
public static function iconv_fallback($in_charset, $out_charset, $string) { |
|
|
942 |
|
|
|
943 |
if ($in_charset == $out_charset) { |
|
|
944 |
return $string; |
|
|
945 |
} |
|
|
946 |
|
|
|
947 |
// iconv() availble |
|
|
948 |
if (function_exists('iconv')) { |
|
|
949 |
if ($converted_string = @iconv($in_charset, $out_charset.'//TRANSLIT', $string)) { |
|
|
950 |
switch ($out_charset) { |
|
|
951 |
case 'ISO-8859-1': |
|
|
952 |
$converted_string = rtrim($converted_string, "\x00"); |
|
|
953 |
break; |
|
|
954 |
} |
|
|
955 |
return $converted_string; |
|
|
956 |
} |
|
|
957 |
|
|
|
958 |
// iconv() may sometimes fail with "illegal character in input string" error message |
|
|
959 |
// and return an empty string, but returning the unconverted string is more useful |
|
|
960 |
return $string; |
|
|
961 |
} |
|
|
962 |
|
|
|
963 |
|
|
|
964 |
// iconv() not available |
|
|
965 |
static $ConversionFunctionList = array(); |
|
|
966 |
if (empty($ConversionFunctionList)) { |
|
|
967 |
$ConversionFunctionList['ISO-8859-1']['UTF-8'] = 'iconv_fallback_iso88591_utf8'; |
|
|
968 |
$ConversionFunctionList['ISO-8859-1']['UTF-16'] = 'iconv_fallback_iso88591_utf16'; |
|
|
969 |
$ConversionFunctionList['ISO-8859-1']['UTF-16BE'] = 'iconv_fallback_iso88591_utf16be'; |
|
|
970 |
$ConversionFunctionList['ISO-8859-1']['UTF-16LE'] = 'iconv_fallback_iso88591_utf16le'; |
|
|
971 |
$ConversionFunctionList['UTF-8']['ISO-8859-1'] = 'iconv_fallback_utf8_iso88591'; |
|
|
972 |
$ConversionFunctionList['UTF-8']['UTF-16'] = 'iconv_fallback_utf8_utf16'; |
|
|
973 |
$ConversionFunctionList['UTF-8']['UTF-16BE'] = 'iconv_fallback_utf8_utf16be'; |
|
|
974 |
$ConversionFunctionList['UTF-8']['UTF-16LE'] = 'iconv_fallback_utf8_utf16le'; |
|
|
975 |
$ConversionFunctionList['UTF-16']['ISO-8859-1'] = 'iconv_fallback_utf16_iso88591'; |
|
|
976 |
$ConversionFunctionList['UTF-16']['UTF-8'] = 'iconv_fallback_utf16_utf8'; |
|
|
977 |
$ConversionFunctionList['UTF-16LE']['ISO-8859-1'] = 'iconv_fallback_utf16le_iso88591'; |
|
|
978 |
$ConversionFunctionList['UTF-16LE']['UTF-8'] = 'iconv_fallback_utf16le_utf8'; |
|
|
979 |
$ConversionFunctionList['UTF-16BE']['ISO-8859-1'] = 'iconv_fallback_utf16be_iso88591'; |
|
|
980 |
$ConversionFunctionList['UTF-16BE']['UTF-8'] = 'iconv_fallback_utf16be_utf8'; |
|
|
981 |
} |
|
|
982 |
if (isset($ConversionFunctionList[strtoupper($in_charset)][strtoupper($out_charset)])) { |
|
|
983 |
$ConversionFunction = $ConversionFunctionList[strtoupper($in_charset)][strtoupper($out_charset)]; |
|
|
984 |
return self::$ConversionFunction($string); |
|
|
985 |
} |
|
|
986 |
throw new Exception('PHP does not have iconv() support - cannot convert from '.$in_charset.' to '.$out_charset); |
|
|
987 |
} |
|
|
988 |
|
|
5
|
989 |
public static function recursiveMultiByteCharString2HTML($data, $charset='ISO-8859-1') { |
|
|
990 |
if (is_string($data)) { |
|
|
991 |
return self::MultiByteCharString2HTML($data, $charset); |
|
|
992 |
} elseif (is_array($data)) { |
|
|
993 |
$return_data = array(); |
|
|
994 |
foreach ($data as $key => $value) { |
|
|
995 |
$return_data[$key] = self::recursiveMultiByteCharString2HTML($value, $charset); |
|
|
996 |
} |
|
|
997 |
return $return_data; |
|
|
998 |
} |
|
|
999 |
// integer, float, objects, resources, etc |
|
|
1000 |
return $data; |
|
|
1001 |
} |
|
0
|
1002 |
|
|
|
1003 |
public static function MultiByteCharString2HTML($string, $charset='ISO-8859-1') { |
|
|
1004 |
$string = (string) $string; // in case trying to pass a numeric (float, int) string, would otherwise return an empty string |
|
|
1005 |
$HTMLstring = ''; |
|
|
1006 |
|
|
|
1007 |
switch ($charset) { |
|
|
1008 |
case '1251': |
|
|
1009 |
case '1252': |
|
|
1010 |
case '866': |
|
|
1011 |
case '932': |
|
|
1012 |
case '936': |
|
|
1013 |
case '950': |
|
|
1014 |
case 'BIG5': |
|
|
1015 |
case 'BIG5-HKSCS': |
|
|
1016 |
case 'cp1251': |
|
|
1017 |
case 'cp1252': |
|
|
1018 |
case 'cp866': |
|
|
1019 |
case 'EUC-JP': |
|
|
1020 |
case 'EUCJP': |
|
|
1021 |
case 'GB2312': |
|
|
1022 |
case 'ibm866': |
|
|
1023 |
case 'ISO-8859-1': |
|
|
1024 |
case 'ISO-8859-15': |
|
|
1025 |
case 'ISO8859-1': |
|
|
1026 |
case 'ISO8859-15': |
|
|
1027 |
case 'KOI8-R': |
|
|
1028 |
case 'koi8-ru': |
|
|
1029 |
case 'koi8r': |
|
|
1030 |
case 'Shift_JIS': |
|
|
1031 |
case 'SJIS': |
|
|
1032 |
case 'win-1251': |
|
|
1033 |
case 'Windows-1251': |
|
|
1034 |
case 'Windows-1252': |
|
|
1035 |
$HTMLstring = htmlentities($string, ENT_COMPAT, $charset); |
|
|
1036 |
break; |
|
|
1037 |
|
|
|
1038 |
case 'UTF-8': |
|
|
1039 |
$strlen = strlen($string); |
|
|
1040 |
for ($i = 0; $i < $strlen; $i++) { |
|
|
1041 |
$char_ord_val = ord($string{$i}); |
|
|
1042 |
$charval = 0; |
|
|
1043 |
if ($char_ord_val < 0x80) { |
|
|
1044 |
$charval = $char_ord_val; |
|
|
1045 |
} elseif ((($char_ord_val & 0xF0) >> 4) == 0x0F && $i+3 < $strlen) { |
|
|
1046 |
$charval = (($char_ord_val & 0x07) << 18); |
|
|
1047 |
$charval += ((ord($string{++$i}) & 0x3F) << 12); |
|
|
1048 |
$charval += ((ord($string{++$i}) & 0x3F) << 6); |
|
|
1049 |
$charval += (ord($string{++$i}) & 0x3F); |
|
|
1050 |
} elseif ((($char_ord_val & 0xE0) >> 5) == 0x07 && $i+2 < $strlen) { |
|
|
1051 |
$charval = (($char_ord_val & 0x0F) << 12); |
|
|
1052 |
$charval += ((ord($string{++$i}) & 0x3F) << 6); |
|
|
1053 |
$charval += (ord($string{++$i}) & 0x3F); |
|
|
1054 |
} elseif ((($char_ord_val & 0xC0) >> 6) == 0x03 && $i+1 < $strlen) { |
|
|
1055 |
$charval = (($char_ord_val & 0x1F) << 6); |
|
|
1056 |
$charval += (ord($string{++$i}) & 0x3F); |
|
|
1057 |
} |
|
|
1058 |
if (($charval >= 32) && ($charval <= 127)) { |
|
|
1059 |
$HTMLstring .= htmlentities(chr($charval)); |
|
|
1060 |
} else { |
|
|
1061 |
$HTMLstring .= '&#'.$charval.';'; |
|
|
1062 |
} |
|
|
1063 |
} |
|
|
1064 |
break; |
|
|
1065 |
|
|
|
1066 |
case 'UTF-16LE': |
|
|
1067 |
for ($i = 0; $i < strlen($string); $i += 2) { |
|
|
1068 |
$charval = self::LittleEndian2Int(substr($string, $i, 2)); |
|
|
1069 |
if (($charval >= 32) && ($charval <= 127)) { |
|
|
1070 |
$HTMLstring .= chr($charval); |
|
|
1071 |
} else { |
|
|
1072 |
$HTMLstring .= '&#'.$charval.';'; |
|
|
1073 |
} |
|
|
1074 |
} |
|
|
1075 |
break; |
|
|
1076 |
|
|
|
1077 |
case 'UTF-16BE': |
|
|
1078 |
for ($i = 0; $i < strlen($string); $i += 2) { |
|
|
1079 |
$charval = self::BigEndian2Int(substr($string, $i, 2)); |
|
|
1080 |
if (($charval >= 32) && ($charval <= 127)) { |
|
|
1081 |
$HTMLstring .= chr($charval); |
|
|
1082 |
} else { |
|
|
1083 |
$HTMLstring .= '&#'.$charval.';'; |
|
|
1084 |
} |
|
|
1085 |
} |
|
|
1086 |
break; |
|
|
1087 |
|
|
|
1088 |
default: |
|
|
1089 |
$HTMLstring = 'ERROR: Character set "'.$charset.'" not supported in MultiByteCharString2HTML()'; |
|
|
1090 |
break; |
|
|
1091 |
} |
|
|
1092 |
return $HTMLstring; |
|
|
1093 |
} |
|
|
1094 |
|
|
|
1095 |
|
|
|
1096 |
|
|
|
1097 |
public static function RGADnameLookup($namecode) { |
|
|
1098 |
static $RGADname = array(); |
|
|
1099 |
if (empty($RGADname)) { |
|
|
1100 |
$RGADname[0] = 'not set'; |
|
|
1101 |
$RGADname[1] = 'Track Gain Adjustment'; |
|
|
1102 |
$RGADname[2] = 'Album Gain Adjustment'; |
|
|
1103 |
} |
|
|
1104 |
|
|
|
1105 |
return (isset($RGADname[$namecode]) ? $RGADname[$namecode] : ''); |
|
|
1106 |
} |
|
|
1107 |
|
|
|
1108 |
|
|
|
1109 |
public static function RGADoriginatorLookup($originatorcode) { |
|
|
1110 |
static $RGADoriginator = array(); |
|
|
1111 |
if (empty($RGADoriginator)) { |
|
|
1112 |
$RGADoriginator[0] = 'unspecified'; |
|
|
1113 |
$RGADoriginator[1] = 'pre-set by artist/producer/mastering engineer'; |
|
|
1114 |
$RGADoriginator[2] = 'set by user'; |
|
|
1115 |
$RGADoriginator[3] = 'determined automatically'; |
|
|
1116 |
} |
|
|
1117 |
|
|
|
1118 |
return (isset($RGADoriginator[$originatorcode]) ? $RGADoriginator[$originatorcode] : ''); |
|
|
1119 |
} |
|
|
1120 |
|
|
|
1121 |
|
|
|
1122 |
public static function RGADadjustmentLookup($rawadjustment, $signbit) { |
|
|
1123 |
$adjustment = $rawadjustment / 10; |
|
|
1124 |
if ($signbit == 1) { |
|
|
1125 |
$adjustment *= -1; |
|
|
1126 |
} |
|
|
1127 |
return (float) $adjustment; |
|
|
1128 |
} |
|
|
1129 |
|
|
|
1130 |
|
|
|
1131 |
public static function RGADgainString($namecode, $originatorcode, $replaygain) { |
|
|
1132 |
if ($replaygain < 0) { |
|
|
1133 |
$signbit = '1'; |
|
|
1134 |
} else { |
|
|
1135 |
$signbit = '0'; |
|
|
1136 |
} |
|
|
1137 |
$storedreplaygain = intval(round($replaygain * 10)); |
|
|
1138 |
$gainstring = str_pad(decbin($namecode), 3, '0', STR_PAD_LEFT); |
|
|
1139 |
$gainstring .= str_pad(decbin($originatorcode), 3, '0', STR_PAD_LEFT); |
|
|
1140 |
$gainstring .= $signbit; |
|
|
1141 |
$gainstring .= str_pad(decbin($storedreplaygain), 9, '0', STR_PAD_LEFT); |
|
|
1142 |
|
|
|
1143 |
return $gainstring; |
|
|
1144 |
} |
|
|
1145 |
|
|
|
1146 |
public static function RGADamplitude2dB($amplitude) { |
|
|
1147 |
return 20 * log10($amplitude); |
|
|
1148 |
} |
|
|
1149 |
|
|
|
1150 |
|
|
|
1151 |
public static function GetDataImageSize($imgData, &$imageinfo=array()) { |
|
|
1152 |
static $tempdir = ''; |
|
|
1153 |
if (empty($tempdir)) { |
|
|
1154 |
// yes this is ugly, feel free to suggest a better way |
|
|
1155 |
require_once(dirname(__FILE__).'/getid3.php'); |
|
|
1156 |
$getid3_temp = new getID3(); |
|
|
1157 |
$tempdir = $getid3_temp->tempdir; |
|
|
1158 |
unset($getid3_temp); |
|
|
1159 |
} |
|
|
1160 |
$GetDataImageSize = false; |
|
|
1161 |
if ($tempfilename = tempnam($tempdir, 'gI3')) { |
|
|
1162 |
if (is_writable($tempfilename) && is_file($tempfilename) && ($tmp = fopen($tempfilename, 'wb'))) { |
|
|
1163 |
fwrite($tmp, $imgData); |
|
|
1164 |
fclose($tmp); |
|
|
1165 |
$GetDataImageSize = @getimagesize($tempfilename, $imageinfo); |
|
|
1166 |
} |
|
|
1167 |
unlink($tempfilename); |
|
|
1168 |
} |
|
|
1169 |
return $GetDataImageSize; |
|
|
1170 |
} |
|
|
1171 |
|
|
|
1172 |
public static function ImageExtFromMime($mime_type) { |
|
|
1173 |
// temporary way, works OK for now, but should be reworked in the future |
|
|
1174 |
return str_replace(array('image/', 'x-', 'jpeg'), array('', '', 'jpg'), $mime_type); |
|
|
1175 |
} |
|
|
1176 |
|
|
|
1177 |
public static function ImageTypesLookup($imagetypeid) { |
|
|
1178 |
static $ImageTypesLookup = array(); |
|
|
1179 |
if (empty($ImageTypesLookup)) { |
|
|
1180 |
$ImageTypesLookup[1] = 'gif'; |
|
|
1181 |
$ImageTypesLookup[2] = 'jpeg'; |
|
|
1182 |
$ImageTypesLookup[3] = 'png'; |
|
|
1183 |
$ImageTypesLookup[4] = 'swf'; |
|
|
1184 |
$ImageTypesLookup[5] = 'psd'; |
|
|
1185 |
$ImageTypesLookup[6] = 'bmp'; |
|
|
1186 |
$ImageTypesLookup[7] = 'tiff (little-endian)'; |
|
|
1187 |
$ImageTypesLookup[8] = 'tiff (big-endian)'; |
|
|
1188 |
$ImageTypesLookup[9] = 'jpc'; |
|
|
1189 |
$ImageTypesLookup[10] = 'jp2'; |
|
|
1190 |
$ImageTypesLookup[11] = 'jpx'; |
|
|
1191 |
$ImageTypesLookup[12] = 'jb2'; |
|
|
1192 |
$ImageTypesLookup[13] = 'swc'; |
|
|
1193 |
$ImageTypesLookup[14] = 'iff'; |
|
|
1194 |
} |
|
|
1195 |
return (isset($ImageTypesLookup[$imagetypeid]) ? $ImageTypesLookup[$imagetypeid] : ''); |
|
|
1196 |
} |
|
|
1197 |
|
|
|
1198 |
public static function CopyTagsToComments(&$ThisFileInfo) { |
|
|
1199 |
|
|
|
1200 |
// Copy all entries from ['tags'] into common ['comments'] |
|
|
1201 |
if (!empty($ThisFileInfo['tags'])) { |
|
|
1202 |
foreach ($ThisFileInfo['tags'] as $tagtype => $tagarray) { |
|
|
1203 |
foreach ($tagarray as $tagname => $tagdata) { |
|
|
1204 |
foreach ($tagdata as $key => $value) { |
|
|
1205 |
if (!empty($value)) { |
|
|
1206 |
if (empty($ThisFileInfo['comments'][$tagname])) { |
|
|
1207 |
|
|
|
1208 |
// fall through and append value |
|
|
1209 |
|
|
|
1210 |
} elseif ($tagtype == 'id3v1') { |
|
|
1211 |
|
|
|
1212 |
$newvaluelength = strlen(trim($value)); |
|
|
1213 |
foreach ($ThisFileInfo['comments'][$tagname] as $existingkey => $existingvalue) { |
|
|
1214 |
$oldvaluelength = strlen(trim($existingvalue)); |
|
|
1215 |
if (($newvaluelength <= $oldvaluelength) && (substr($existingvalue, 0, $newvaluelength) == trim($value))) { |
|
|
1216 |
// new value is identical but shorter-than (or equal-length to) one already in comments - skip |
|
|
1217 |
break 2; |
|
|
1218 |
} |
|
|
1219 |
} |
|
|
1220 |
|
|
|
1221 |
} elseif (!is_array($value)) { |
|
|
1222 |
|
|
|
1223 |
$newvaluelength = strlen(trim($value)); |
|
|
1224 |
foreach ($ThisFileInfo['comments'][$tagname] as $existingkey => $existingvalue) { |
|
|
1225 |
$oldvaluelength = strlen(trim($existingvalue)); |
|
5
|
1226 |
if ((strlen($existingvalue) > 10) && ($newvaluelength > $oldvaluelength) && (substr(trim($value), 0, strlen($existingvalue)) == $existingvalue)) { |
|
0
|
1227 |
$ThisFileInfo['comments'][$tagname][$existingkey] = trim($value); |
|
5
|
1228 |
//break 2; |
|
|
1229 |
break; |
|
0
|
1230 |
} |
|
|
1231 |
} |
|
|
1232 |
|
|
|
1233 |
} |
|
|
1234 |
if (is_array($value) || empty($ThisFileInfo['comments'][$tagname]) || !in_array(trim($value), $ThisFileInfo['comments'][$tagname])) { |
|
|
1235 |
$value = (is_string($value) ? trim($value) : $value); |
|
5
|
1236 |
if (!is_numeric($key)) { |
|
|
1237 |
$ThisFileInfo['comments'][$tagname][$key] = $value; |
|
|
1238 |
} else { |
|
|
1239 |
$ThisFileInfo['comments'][$tagname][] = $value; |
|
|
1240 |
} |
|
0
|
1241 |
} |
|
|
1242 |
} |
|
|
1243 |
} |
|
|
1244 |
} |
|
|
1245 |
} |
|
|
1246 |
|
|
|
1247 |
// Copy to ['comments_html'] |
|
5
|
1248 |
if (!empty($ThisFileInfo['comments'])) { |
|
|
1249 |
foreach ($ThisFileInfo['comments'] as $field => $values) { |
|
|
1250 |
if ($field == 'picture') { |
|
|
1251 |
// pictures can take up a lot of space, and we don't need multiple copies of them |
|
|
1252 |
// let there be a single copy in [comments][picture], and not elsewhere |
|
|
1253 |
continue; |
|
|
1254 |
} |
|
|
1255 |
foreach ($values as $index => $value) { |
|
|
1256 |
if (is_array($value)) { |
|
|
1257 |
$ThisFileInfo['comments_html'][$field][$index] = $value; |
|
|
1258 |
} else { |
|
|
1259 |
$ThisFileInfo['comments_html'][$field][$index] = str_replace('�', '', self::MultiByteCharString2HTML($value, $ThisFileInfo['encoding'])); |
|
|
1260 |
} |
|
0
|
1261 |
} |
|
|
1262 |
} |
|
|
1263 |
} |
|
5
|
1264 |
|
|
0
|
1265 |
} |
|
|
1266 |
return true; |
|
|
1267 |
} |
|
|
1268 |
|
|
|
1269 |
|
|
|
1270 |
public static function EmbeddedLookup($key, $begin, $end, $file, $name) { |
|
|
1271 |
|
|
|
1272 |
// Cached |
|
|
1273 |
static $cache; |
|
|
1274 |
if (isset($cache[$file][$name])) { |
|
|
1275 |
return (isset($cache[$file][$name][$key]) ? $cache[$file][$name][$key] : ''); |
|
|
1276 |
} |
|
|
1277 |
|
|
|
1278 |
// Init |
|
|
1279 |
$keylength = strlen($key); |
|
|
1280 |
$line_count = $end - $begin - 7; |
|
|
1281 |
|
|
|
1282 |
// Open php file |
|
|
1283 |
$fp = fopen($file, 'r'); |
|
|
1284 |
|
|
|
1285 |
// Discard $begin lines |
|
|
1286 |
for ($i = 0; $i < ($begin + 3); $i++) { |
|
|
1287 |
fgets($fp, 1024); |
|
|
1288 |
} |
|
|
1289 |
|
|
|
1290 |
// Loop thru line |
|
|
1291 |
while (0 < $line_count--) { |
|
|
1292 |
|
|
|
1293 |
// Read line |
|
|
1294 |
$line = ltrim(fgets($fp, 1024), "\t "); |
|
|
1295 |
|
|
|
1296 |
// METHOD A: only cache the matching key - less memory but slower on next lookup of not-previously-looked-up key |
|
|
1297 |
//$keycheck = substr($line, 0, $keylength); |
|
|
1298 |
//if ($key == $keycheck) { |
|
|
1299 |
// $cache[$file][$name][$keycheck] = substr($line, $keylength + 1); |
|
|
1300 |
// break; |
|
|
1301 |
//} |
|
|
1302 |
|
|
|
1303 |
// METHOD B: cache all keys in this lookup - more memory but faster on next lookup of not-previously-looked-up key |
|
|
1304 |
//$cache[$file][$name][substr($line, 0, $keylength)] = trim(substr($line, $keylength + 1)); |
|
|
1305 |
$explodedLine = explode("\t", $line, 2); |
|
|
1306 |
$ThisKey = (isset($explodedLine[0]) ? $explodedLine[0] : ''); |
|
|
1307 |
$ThisValue = (isset($explodedLine[1]) ? $explodedLine[1] : ''); |
|
|
1308 |
$cache[$file][$name][$ThisKey] = trim($ThisValue); |
|
|
1309 |
} |
|
|
1310 |
|
|
|
1311 |
// Close and return |
|
|
1312 |
fclose($fp); |
|
|
1313 |
return (isset($cache[$file][$name][$key]) ? $cache[$file][$name][$key] : ''); |
|
|
1314 |
} |
|
|
1315 |
|
|
|
1316 |
public static function IncludeDependency($filename, $sourcefile, $DieOnFailure=false) { |
|
|
1317 |
global $GETID3_ERRORARRAY; |
|
|
1318 |
|
|
|
1319 |
if (file_exists($filename)) { |
|
|
1320 |
if (include_once($filename)) { |
|
|
1321 |
return true; |
|
|
1322 |
} else { |
|
|
1323 |
$diemessage = basename($sourcefile).' depends on '.$filename.', which has errors'; |
|
|
1324 |
} |
|
|
1325 |
} else { |
|
|
1326 |
$diemessage = basename($sourcefile).' depends on '.$filename.', which is missing'; |
|
|
1327 |
} |
|
|
1328 |
if ($DieOnFailure) { |
|
|
1329 |
throw new Exception($diemessage); |
|
|
1330 |
} else { |
|
|
1331 |
$GETID3_ERRORARRAY[] = $diemessage; |
|
|
1332 |
} |
|
|
1333 |
return false; |
|
|
1334 |
} |
|
|
1335 |
|
|
|
1336 |
public static function trimNullByte($string) { |
|
|
1337 |
return trim($string, "\x00"); |
|
|
1338 |
} |
|
|
1339 |
|
|
|
1340 |
public static function getFileSizeSyscall($path) { |
|
|
1341 |
$filesize = false; |
|
|
1342 |
|
|
|
1343 |
if (GETID3_OS_ISWINDOWS) { |
|
|
1344 |
if (class_exists('COM')) { // From PHP 5.3.15 and 5.4.5, COM and DOTNET is no longer built into the php core.you have to add COM support in php.ini: |
|
|
1345 |
$filesystem = new COM('Scripting.FileSystemObject'); |
|
|
1346 |
$file = $filesystem->GetFile($path); |
|
|
1347 |
$filesize = $file->Size(); |
|
|
1348 |
unset($filesystem, $file); |
|
|
1349 |
} else { |
|
|
1350 |
$commandline = 'for %I in ('.escapeshellarg($path).') do @echo %~zI'; |
|
|
1351 |
} |
|
|
1352 |
} else { |
|
|
1353 |
$commandline = 'ls -l '.escapeshellarg($path).' | awk \'{print $5}\''; |
|
|
1354 |
} |
|
|
1355 |
if (isset($commandline)) { |
|
|
1356 |
$output = trim(`$commandline`); |
|
|
1357 |
if (ctype_digit($output)) { |
|
|
1358 |
$filesize = (float) $output; |
|
|
1359 |
} |
|
|
1360 |
} |
|
|
1361 |
return $filesize; |
|
|
1362 |
} |
|
5
|
1363 |
|
|
|
1364 |
|
|
|
1365 |
/** |
|
|
1366 |
* Workaround for Bug #37268 (https://bugs.php.net/bug.php?id=37268) |
|
|
1367 |
* @param string $path A path. |
|
|
1368 |
* @param string $suffix If the name component ends in suffix this will also be cut off. |
|
|
1369 |
* @return string |
|
|
1370 |
*/ |
|
|
1371 |
public static function mb_basename($path, $suffix = null) { |
|
|
1372 |
$splited = preg_split('#/#', rtrim($path, '/ ')); |
|
|
1373 |
return substr(basename('X'.$splited[count($splited) - 1], $suffix), 1); |
|
|
1374 |
} |
|
|
1375 |
|
|
0
|
1376 |
} |