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<?php
2
 
3
/**
4
 * SimplePie
5
 *
6
 * A PHP-Based RSS and Atom Feed Framework.
7
 * Takes the hard work out of managing a complete RSS/Atom solution.
8
 *
9
 * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
10
 * All rights reserved.
11
 *
12
 * Redistribution and use in source and binary forms, with or without modification, are
13
 * permitted provided that the following conditions are met:
14
 *
15
 * 	* Redistributions of source code must retain the above copyright notice, this list of
16
 * 	  conditions and the following disclaimer.
17
 *
18
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
19
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
20
 * 	  provided with the distribution.
21
 *
22
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
23
 * 	  to endorse or promote products derived from this software without specific prior
24
 * 	  written permission.
25
 *
26
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
27
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
28
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
29
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
33
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34
 * POSSIBILITY OF SUCH DAMAGE.
35
 *
36
 * @package SimplePie
37
 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
38
 * @author Ryan Parman
39
 * @author Sam Sneddon
40
 * @author Ryan McCue
41
 * @link http://simplepie.org/ SimplePie
42
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
43
 */
44
 
45
namespace SimplePie;
46
 
47
use SimplePie\XML\Declaration\Parser;
48
 
49
/**
50
 * Miscellaneous utilities
51
 *
52
 * @package SimplePie
53
 */
54
class Misc
55
{
56
    private static $SIMPLEPIE_BUILD = null;
57
 
58
    public static function time_hms($seconds)
59
    {
60
        $time = '';
61
 
62
        $hours = floor($seconds / 3600);
63
        $remainder = $seconds % 3600;
64
        if ($hours > 0) {
65
            $time .= $hours.':';
66
        }
67
 
68
        $minutes = floor($remainder / 60);
69
        $seconds = $remainder % 60;
70
        if ($minutes < 10 && $hours > 0) {
71
            $minutes = '0' . $minutes;
72
        }
73
        if ($seconds < 10) {
74
            $seconds = '0' . $seconds;
75
        }
76
 
77
        $time .= $minutes.':';
78
        $time .= $seconds;
79
 
80
        return $time;
81
    }
82
 
83
    public static function absolutize_url($relative, $base)
84
    {
85
        $iri = \SimplePie\IRI::absolutize(new \SimplePie\IRI($base), $relative);
86
        if ($iri === false) {
87
            return false;
88
        }
89
        return $iri->get_uri();
90
    }
91
 
92
    /**
93
     * Get a HTML/XML element from a HTML string
94
     *
95
     * @deprecated since SimplePie 1.3, use DOMDocument instead (parsing HTML with regex is bad!)
96
     * @param string $realname Element name (including namespace prefix if applicable)
97
     * @param string $string HTML document
98
     * @return array
99
     */
100
    public static function get_element($realname, $string)
101
    {
102
        // trigger_error(sprintf('Using method "' . __METHOD__ . '" is deprecated since SimplePie 1.3, use "DOMDocument" instead.'), \E_USER_DEPRECATED);
103
 
104
        $return = [];
105
        $name = preg_quote($realname, '/');
106
        if (preg_match_all("/<($name)" . \SimplePie\SimplePie::PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$name>|(\/)?>)/siU", $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) {
107
            for ($i = 0, $total_matches = count($matches); $i < $total_matches; $i++) {
108
                $return[$i]['tag'] = $realname;
109
                $return[$i]['full'] = $matches[$i][0][0];
110
                $return[$i]['offset'] = $matches[$i][0][1];
111
                if (strlen($matches[$i][3][0]) <= 2) {
112
                    $return[$i]['self_closing'] = true;
113
                } else {
114
                    $return[$i]['self_closing'] = false;
115
                    $return[$i]['content'] = $matches[$i][4][0];
116
                }
117
                $return[$i]['attribs'] = [];
118
                if (isset($matches[$i][2][0]) && preg_match_all('/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"([^"]*)"|\'([^\']*)\'|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/', ' ' . $matches[$i][2][0] . ' ', $attribs, PREG_SET_ORDER)) {
119
                    for ($j = 0, $total_attribs = count($attribs); $j < $total_attribs; $j++) {
120
                        if (count($attribs[$j]) === 2) {
121
                            $attribs[$j][2] = $attribs[$j][1];
122
                        }
123
                        $return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = Misc::entities_decode(end($attribs[$j]));
124
                    }
125
                }
126
            }
127
        }
128
        return $return;
129
    }
130
 
131
    public static function element_implode($element)
132
    {
133
        $full = "<$element[tag]";
134
        foreach ($element['attribs'] as $key => $value) {
135
            $key = strtolower($key);
136
            $full .= " $key=\"" . htmlspecialchars($value['data'], ENT_COMPAT, 'UTF-8') . '"';
137
        }
138
        if ($element['self_closing']) {
139
            $full .= ' />';
140
        } else {
141
            $full .= ">$element[content]</$element[tag]>";
142
        }
143
        return $full;
144
    }
145
 
146
    public static function error($message, $level, $file, $line)
147
    {
148
        if ((error_reporting() & $level) > 0) {
149
            switch ($level) {
150
                case E_USER_ERROR:
151
                    $note = 'PHP Error';
152
                    break;
153
                case E_USER_WARNING:
154
                    $note = 'PHP Warning';
155
                    break;
156
                case E_USER_NOTICE:
157
                    $note = 'PHP Notice';
158
                    break;
159
                default:
160
                    $note = 'Unknown Error';
161
                    break;
162
            }
163
 
164
            $log_error = true;
165
            if (!function_exists('error_log')) {
166
                $log_error = false;
167
            }
168
 
169
            $log_file = @ini_get('error_log');
170
            if (!empty($log_file) && ('syslog' !== $log_file) && !@is_writable($log_file)) {
171
                $log_error = false;
172
            }
173
 
174
            if ($log_error) {
175
                @error_log("$note: $message in $file on line $line", 0);
176
            }
177
        }
178
 
179
        return $message;
180
    }
181
 
182
    public static function fix_protocol($url, $http = 1)
183
    {
184
        $url = Misc::normalize_url($url);
185
        $parsed = Misc::parse_url($url);
186
        if ($parsed['scheme'] !== '' && $parsed['scheme'] !== 'http' && $parsed['scheme'] !== 'https') {
187
            return Misc::fix_protocol(Misc::compress_parse_url('http', $parsed['authority'], $parsed['path'], $parsed['query'], $parsed['fragment']), $http);
188
        }
189
 
190
        if ($parsed['scheme'] === '' && $parsed['authority'] === '' && !file_exists($url)) {
191
            return Misc::fix_protocol(Misc::compress_parse_url('http', $parsed['path'], '', $parsed['query'], $parsed['fragment']), $http);
192
        }
193
 
194
        if ($http === 2 && $parsed['scheme'] !== '') {
195
            return "feed:$url";
196
        } elseif ($http === 3 && strtolower($parsed['scheme']) === 'http') {
197
            return substr_replace($url, 'podcast', 0, 4);
198
        } elseif ($http === 4 && strtolower($parsed['scheme']) === 'http') {
199
            return substr_replace($url, 'itpc', 0, 4);
200
        }
201
 
202
        return $url;
203
    }
204
 
205
    /**
206
     * @deprecated since SimplePie 1.8.0, use PHP native array_replace_recursive() instead.
207
     */
208
    public static function array_merge_recursive($array1, $array2)
209
    {
210
        foreach ($array2 as $key => $value) {
211
            if (is_array($value)) {
212
                $array1[$key] = Misc::array_merge_recursive($array1[$key], $value);
213
            } else {
214
                $array1[$key] = $value;
215
            }
216
        }
217
 
218
        return $array1;
219
    }
220
 
221
    public static function parse_url($url)
222
    {
223
        $iri = new \SimplePie\IRI($url);
224
        return [
225
            'scheme' => (string) $iri->scheme,
226
            'authority' => (string) $iri->authority,
227
            'path' => (string) $iri->path,
228
            'query' => (string) $iri->query,
229
            'fragment' => (string) $iri->fragment
230
        ];
231
    }
232
 
233
    public static function compress_parse_url($scheme = '', $authority = '', $path = '', $query = '', $fragment = '')
234
    {
235
        $iri = new \SimplePie\IRI('');
236
        $iri->scheme = $scheme;
237
        $iri->authority = $authority;
238
        $iri->path = $path;
239
        $iri->query = $query;
240
        $iri->fragment = $fragment;
241
        return $iri->get_uri();
242
    }
243
 
244
    public static function normalize_url($url)
245
    {
246
        $iri = new \SimplePie\IRI($url);
247
        return $iri->get_uri();
248
    }
249
 
250
    public static function percent_encoding_normalization($match)
251
    {
252
        $integer = hexdec($match[1]);
253
        if ($integer >= 0x41 && $integer <= 0x5A || $integer >= 0x61 && $integer <= 0x7A || $integer >= 0x30 && $integer <= 0x39 || $integer === 0x2D || $integer === 0x2E || $integer === 0x5F || $integer === 0x7E) {
254
            return chr($integer);
255
        }
256
 
257
        return strtoupper($match[0]);
258
    }
259
 
260
    /**
261
     * Converts a Windows-1252 encoded string to a UTF-8 encoded string
262
     *
263
     * @static
264
     * @param string $string Windows-1252 encoded string
265
     * @return string UTF-8 encoded string
266
     */
267
    public static function windows_1252_to_utf8($string)
268
    {
269
        static $convert_table = ["\x80" => "\xE2\x82\xAC", "\x81" => "\xEF\xBF\xBD", "\x82" => "\xE2\x80\x9A", "\x83" => "\xC6\x92", "\x84" => "\xE2\x80\x9E", "\x85" => "\xE2\x80\xA6", "\x86" => "\xE2\x80\xA0", "\x87" => "\xE2\x80\xA1", "\x88" => "\xCB\x86", "\x89" => "\xE2\x80\xB0", "\x8A" => "\xC5\xA0", "\x8B" => "\xE2\x80\xB9", "\x8C" => "\xC5\x92", "\x8D" => "\xEF\xBF\xBD", "\x8E" => "\xC5\xBD", "\x8F" => "\xEF\xBF\xBD", "\x90" => "\xEF\xBF\xBD", "\x91" => "\xE2\x80\x98", "\x92" => "\xE2\x80\x99", "\x93" => "\xE2\x80\x9C", "\x94" => "\xE2\x80\x9D", "\x95" => "\xE2\x80\xA2", "\x96" => "\xE2\x80\x93", "\x97" => "\xE2\x80\x94", "\x98" => "\xCB\x9C", "\x99" => "\xE2\x84\xA2", "\x9A" => "\xC5\xA1", "\x9B" => "\xE2\x80\xBA", "\x9C" => "\xC5\x93", "\x9D" => "\xEF\xBF\xBD", "\x9E" => "\xC5\xBE", "\x9F" => "\xC5\xB8", "\xA0" => "\xC2\xA0", "\xA1" => "\xC2\xA1", "\xA2" => "\xC2\xA2", "\xA3" => "\xC2\xA3", "\xA4" => "\xC2\xA4", "\xA5" => "\xC2\xA5", "\xA6" => "\xC2\xA6", "\xA7" => "\xC2\xA7", "\xA8" => "\xC2\xA8", "\xA9" => "\xC2\xA9", "\xAA" => "\xC2\xAA", "\xAB" => "\xC2\xAB", "\xAC" => "\xC2\xAC", "\xAD" => "\xC2\xAD", "\xAE" => "\xC2\xAE", "\xAF" => "\xC2\xAF", "\xB0" => "\xC2\xB0", "\xB1" => "\xC2\xB1", "\xB2" => "\xC2\xB2", "\xB3" => "\xC2\xB3", "\xB4" => "\xC2\xB4", "\xB5" => "\xC2\xB5", "\xB6" => "\xC2\xB6", "\xB7" => "\xC2\xB7", "\xB8" => "\xC2\xB8", "\xB9" => "\xC2\xB9", "\xBA" => "\xC2\xBA", "\xBB" => "\xC2\xBB", "\xBC" => "\xC2\xBC", "\xBD" => "\xC2\xBD", "\xBE" => "\xC2\xBE", "\xBF" => "\xC2\xBF", "\xC0" => "\xC3\x80", "\xC1" => "\xC3\x81", "\xC2" => "\xC3\x82", "\xC3" => "\xC3\x83", "\xC4" => "\xC3\x84", "\xC5" => "\xC3\x85", "\xC6" => "\xC3\x86", "\xC7" => "\xC3\x87", "\xC8" => "\xC3\x88", "\xC9" => "\xC3\x89", "\xCA" => "\xC3\x8A", "\xCB" => "\xC3\x8B", "\xCC" => "\xC3\x8C", "\xCD" => "\xC3\x8D", "\xCE" => "\xC3\x8E", "\xCF" => "\xC3\x8F", "\xD0" => "\xC3\x90", "\xD1" => "\xC3\x91", "\xD2" => "\xC3\x92", "\xD3" => "\xC3\x93", "\xD4" => "\xC3\x94", "\xD5" => "\xC3\x95", "\xD6" => "\xC3\x96", "\xD7" => "\xC3\x97", "\xD8" => "\xC3\x98", "\xD9" => "\xC3\x99", "\xDA" => "\xC3\x9A", "\xDB" => "\xC3\x9B", "\xDC" => "\xC3\x9C", "\xDD" => "\xC3\x9D", "\xDE" => "\xC3\x9E", "\xDF" => "\xC3\x9F", "\xE0" => "\xC3\xA0", "\xE1" => "\xC3\xA1", "\xE2" => "\xC3\xA2", "\xE3" => "\xC3\xA3", "\xE4" => "\xC3\xA4", "\xE5" => "\xC3\xA5", "\xE6" => "\xC3\xA6", "\xE7" => "\xC3\xA7", "\xE8" => "\xC3\xA8", "\xE9" => "\xC3\xA9", "\xEA" => "\xC3\xAA", "\xEB" => "\xC3\xAB", "\xEC" => "\xC3\xAC", "\xED" => "\xC3\xAD", "\xEE" => "\xC3\xAE", "\xEF" => "\xC3\xAF", "\xF0" => "\xC3\xB0", "\xF1" => "\xC3\xB1", "\xF2" => "\xC3\xB2", "\xF3" => "\xC3\xB3", "\xF4" => "\xC3\xB4", "\xF5" => "\xC3\xB5", "\xF6" => "\xC3\xB6", "\xF7" => "\xC3\xB7", "\xF8" => "\xC3\xB8", "\xF9" => "\xC3\xB9", "\xFA" => "\xC3\xBA", "\xFB" => "\xC3\xBB", "\xFC" => "\xC3\xBC", "\xFD" => "\xC3\xBD", "\xFE" => "\xC3\xBE", "\xFF" => "\xC3\xBF"];
270
 
271
        return strtr($string, $convert_table);
272
    }
273
 
274
    /**
275
     * Change a string from one encoding to another
276
     *
277
     * @param string $data Raw data in $input encoding
278
     * @param string $input Encoding of $data
279
     * @param string $output Encoding you want
280
     * @return string|boolean False if we can't convert it
281
     */
282
    public static function change_encoding($data, $input, $output)
283
    {
284
        $input = Misc::encoding($input);
285
        $output = Misc::encoding($output);
286
 
287
        // We fail to fail on non US-ASCII bytes
288
        if ($input === 'US-ASCII') {
289
            static $non_ascii_octects = '';
290
            if (!$non_ascii_octects) {
291
                for ($i = 0x80; $i <= 0xFF; $i++) {
292
                    $non_ascii_octects .= chr($i);
293
                }
294
            }
295
            $data = substr($data, 0, strcspn($data, $non_ascii_octects));
296
        }
297
 
298
        // This is first, as behaviour of this is completely predictable
299
        if ($input === 'windows-1252' && $output === 'UTF-8') {
300
            return Misc::windows_1252_to_utf8($data);
301
        }
302
        // This is second, as behaviour of this varies only with PHP version (the middle part of this expression checks the encoding is supported).
303
        elseif (function_exists('mb_convert_encoding') && ($return = Misc::change_encoding_mbstring($data, $input, $output))) {
304
            return $return;
305
        }
306
        // This is third, as behaviour of this varies with OS userland and PHP version
307
        elseif (function_exists('iconv') && ($return = Misc::change_encoding_iconv($data, $input, $output))) {
308
            return $return;
309
        }
310
        // This is last, as behaviour of this varies with OS userland and PHP version
311
        elseif (class_exists('\UConverter') && ($return = Misc::change_encoding_uconverter($data, $input, $output))) {
312
            return $return;
313
        }
314
 
315
        // If we can't do anything, just fail
316
        return false;
317
    }
318
 
319
    protected static function change_encoding_mbstring($data, $input, $output)
320
    {
321
        if ($input === 'windows-949') {
322
            $input = 'EUC-KR';
323
        }
324
        if ($output === 'windows-949') {
325
            $output = 'EUC-KR';
326
        }
327
        if ($input === 'Windows-31J') {
328
            $input = 'SJIS';
329
        }
330
        if ($output === 'Windows-31J') {
331
            $output = 'SJIS';
332
        }
333
 
334
        // Check that the encoding is supported
335
        if (!in_array($input, mb_list_encodings())) {
336
            return false;
337
        }
338
 
339
        if (@mb_convert_encoding("\x80", 'UTF-16BE', $input) === "\x00\x80") {
340
            return false;
341
        }
342
 
343
        // Let's do some conversion
344
        if ($return = @mb_convert_encoding($data, $output, $input)) {
345
            return $return;
346
        }
347
 
348
        return false;
349
    }
350
 
351
    protected static function change_encoding_iconv($data, $input, $output)
352
    {
353
        return @iconv($input, $output, $data);
354
    }
355
 
356
    /**
357
     * @param string $data
358
     * @param string $input
359
     * @param string $output
360
     * @return string|false
361
     */
362
    protected static function change_encoding_uconverter($data, $input, $output)
363
    {
364
        return @\UConverter::transcode($data, $output, $input);
365
    }
366
 
367
    /**
368
     * Normalize an encoding name
369
     *
370
     * This is automatically generated by create.php
371
     *
372
     * To generate it, run `php create.php` on the command line, and copy the
373
     * output to replace this function.
374
     *
375
     * @param string $charset Character set to standardise
376
     * @return string Standardised name
377
     */
378
    public static function encoding($charset)
379
    {
380
        // Normalization from UTS #22
381
        switch (strtolower(preg_replace('/(?:[^a-zA-Z0-9]+|([^0-9])0+)/', '\1', $charset))) {
382
            case 'adobestandardencoding':
383
            case 'csadobestandardencoding':
384
                return 'Adobe-Standard-Encoding';
385
 
386
            case 'adobesymbolencoding':
387
            case 'cshppsmath':
388
                return 'Adobe-Symbol-Encoding';
389
 
390
            case 'ami1251':
391
            case 'amiga1251':
392
                return 'Amiga-1251';
393
 
394
            case 'ansix31101983':
395
            case 'csat5001983':
396
            case 'csiso99naplps':
397
            case 'isoir99':
398
            case 'naplps':
399
                return 'ANSI_X3.110-1983';
400
 
401
            case 'arabic7':
402
            case 'asmo449':
403
            case 'csiso89asmo449':
404
            case 'iso9036':
405
            case 'isoir89':
406
                return 'ASMO_449';
407
 
408
            case 'big5':
409
            case 'csbig5':
410
                return 'Big5';
411
 
412
            case 'big5hkscs':
413
                return 'Big5-HKSCS';
414
 
415
            case 'bocu1':
416
            case 'csbocu1':
417
                return 'BOCU-1';
418
 
419
            case 'brf':
420
            case 'csbrf':
421
                return 'BRF';
422
 
423
            case 'bs4730':
424
            case 'csiso4unitedkingdom':
425
            case 'gb':
426
            case 'iso646gb':
427
            case 'isoir4':
428
            case 'uk':
429
                return 'BS_4730';
430
 
431
            case 'bsviewdata':
432
            case 'csiso47bsviewdata':
433
            case 'isoir47':
434
                return 'BS_viewdata';
435
 
436
            case 'cesu8':
437
            case 'cscesu8':
438
                return 'CESU-8';
439
 
440
            case 'ca':
441
            case 'csa71':
442
            case 'csaz243419851':
443
            case 'csiso121canadian1':
444
            case 'iso646ca':
445
            case 'isoir121':
446
                return 'CSA_Z243.4-1985-1';
447
 
448
            case 'csa72':
449
            case 'csaz243419852':
450
            case 'csiso122canadian2':
451
            case 'iso646ca2':
452
            case 'isoir122':
453
                return 'CSA_Z243.4-1985-2';
454
 
455
            case 'csaz24341985gr':
456
            case 'csiso123csaz24341985gr':
457
            case 'isoir123':
458
                return 'CSA_Z243.4-1985-gr';
459
 
460
            case 'csiso139csn369103':
461
            case 'csn369103':
462
            case 'isoir139':
463
                return 'CSN_369103';
464
 
465
            case 'csdecmcs':
466
            case 'dec':
467
            case 'decmcs':
468
                return 'DEC-MCS';
469
 
470
            case 'csiso21german':
471
            case 'de':
472
            case 'din66003':
473
            case 'iso646de':
474
            case 'isoir21':
475
                return 'DIN_66003';
476
 
477
            case 'csdkus':
478
            case 'dkus':
479
                return 'dk-us';
480
 
481
            case 'csiso646danish':
482
            case 'dk':
483
            case 'ds2089':
484
            case 'iso646dk':
485
                return 'DS_2089';
486
 
487
            case 'csibmebcdicatde':
488
            case 'ebcdicatde':
489
                return 'EBCDIC-AT-DE';
490
 
491
            case 'csebcdicatdea':
492
            case 'ebcdicatdea':
493
                return 'EBCDIC-AT-DE-A';
494
 
495
            case 'csebcdiccafr':
496
            case 'ebcdiccafr':
497
                return 'EBCDIC-CA-FR';
498
 
499
            case 'csebcdicdkno':
500
            case 'ebcdicdkno':
501
                return 'EBCDIC-DK-NO';
502
 
503
            case 'csebcdicdknoa':
504
            case 'ebcdicdknoa':
505
                return 'EBCDIC-DK-NO-A';
506
 
507
            case 'csebcdices':
508
            case 'ebcdices':
509
                return 'EBCDIC-ES';
510
 
511
            case 'csebcdicesa':
512
            case 'ebcdicesa':
513
                return 'EBCDIC-ES-A';
514
 
515
            case 'csebcdicess':
516
            case 'ebcdicess':
517
                return 'EBCDIC-ES-S';
518
 
519
            case 'csebcdicfise':
520
            case 'ebcdicfise':
521
                return 'EBCDIC-FI-SE';
522
 
523
            case 'csebcdicfisea':
524
            case 'ebcdicfisea':
525
                return 'EBCDIC-FI-SE-A';
526
 
527
            case 'csebcdicfr':
528
            case 'ebcdicfr':
529
                return 'EBCDIC-FR';
530
 
531
            case 'csebcdicit':
532
            case 'ebcdicit':
533
                return 'EBCDIC-IT';
534
 
535
            case 'csebcdicpt':
536
            case 'ebcdicpt':
537
                return 'EBCDIC-PT';
538
 
539
            case 'csebcdicuk':
540
            case 'ebcdicuk':
541
                return 'EBCDIC-UK';
542
 
543
            case 'csebcdicus':
544
            case 'ebcdicus':
545
                return 'EBCDIC-US';
546
 
547
            case 'csiso111ecmacyrillic':
548
            case 'ecmacyrillic':
549
            case 'isoir111':
550
            case 'koi8e':
551
                return 'ECMA-cyrillic';
552
 
553
            case 'csiso17spanish':
554
            case 'es':
555
            case 'iso646es':
556
            case 'isoir17':
557
                return 'ES';
558
 
559
            case 'csiso85spanish2':
560
            case 'es2':
561
            case 'iso646es2':
562
            case 'isoir85':
563
                return 'ES2';
564
 
565
            case 'cseucpkdfmtjapanese':
566
            case 'eucjp':
567
            case 'extendedunixcodepackedformatforjapanese':
568
                return 'EUC-JP';
569
 
570
            case 'cseucfixwidjapanese':
571
            case 'extendedunixcodefixedwidthforjapanese':
572
                return 'Extended_UNIX_Code_Fixed_Width_for_Japanese';
573
 
574
            case 'gb18030':
575
                return 'GB18030';
576
 
577
            case 'chinese':
578
            case 'cp936':
579
            case 'csgb2312':
580
            case 'csiso58gb231280':
581
            case 'gb2312':
582
            case 'gb231280':
583
            case 'gbk':
584
            case 'isoir58':
585
            case 'ms936':
586
            case 'windows936':
587
                return 'GBK';
588
 
589
            case 'cn':
590
            case 'csiso57gb1988':
591
            case 'gb198880':
592
            case 'iso646cn':
593
            case 'isoir57':
594
                return 'GB_1988-80';
595
 
596
            case 'csiso153gost1976874':
597
            case 'gost1976874':
598
            case 'isoir153':
599
            case 'stsev35888':
600
                return 'GOST_19768-74';
601
 
602
            case 'csiso150':
603
            case 'csiso150greekccitt':
604
            case 'greekccitt':
605
            case 'isoir150':
606
                return 'greek-ccitt';
607
 
608
            case 'csiso88greek7':
609
            case 'greek7':
610
            case 'isoir88':
611
                return 'greek7';
612
 
613
            case 'csiso18greek7old':
614
            case 'greek7old':
615
            case 'isoir18':
616
                return 'greek7-old';
617
 
618
            case 'cshpdesktop':
619
            case 'hpdesktop':
620
                return 'HP-DeskTop';
621
 
622
            case 'cshplegal':
623
            case 'hplegal':
624
                return 'HP-Legal';
625
 
626
            case 'cshpmath8':
627
            case 'hpmath8':
628
                return 'HP-Math8';
629
 
630
            case 'cshppifont':
631
            case 'hppifont':
632
                return 'HP-Pi-font';
633
 
634
            case 'cshproman8':
635
            case 'hproman8':
636
            case 'r8':
637
            case 'roman8':
638
                return 'hp-roman8';
639
 
640
            case 'hzgb2312':
641
                return 'HZ-GB-2312';
642
 
643
            case 'csibmsymbols':
644
            case 'ibmsymbols':
645
                return 'IBM-Symbols';
646
 
647
            case 'csibmthai':
648
            case 'ibmthai':
649
                return 'IBM-Thai';
650
 
651
            case 'cp37':
652
            case 'csibm37':
653
            case 'ebcdiccpca':
654
            case 'ebcdiccpnl':
655
            case 'ebcdiccpus':
656
            case 'ebcdiccpwt':
657
            case 'ibm37':
658
                return 'IBM037';
659
 
660
            case 'cp38':
661
            case 'csibm38':
662
            case 'ebcdicint':
663
            case 'ibm38':
664
                return 'IBM038';
665
 
666
            case 'cp273':
667
            case 'csibm273':
668
            case 'ibm273':
669
                return 'IBM273';
670
 
671
            case 'cp274':
672
            case 'csibm274':
673
            case 'ebcdicbe':
674
            case 'ibm274':
675
                return 'IBM274';
676
 
677
            case 'cp275':
678
            case 'csibm275':
679
            case 'ebcdicbr':
680
            case 'ibm275':
681
                return 'IBM275';
682
 
683
            case 'csibm277':
684
            case 'ebcdiccpdk':
685
            case 'ebcdiccpno':
686
            case 'ibm277':
687
                return 'IBM277';
688
 
689
            case 'cp278':
690
            case 'csibm278':
691
            case 'ebcdiccpfi':
692
            case 'ebcdiccpse':
693
            case 'ibm278':
694
                return 'IBM278';
695
 
696
            case 'cp280':
697
            case 'csibm280':
698
            case 'ebcdiccpit':
699
            case 'ibm280':
700
                return 'IBM280';
701
 
702
            case 'cp281':
703
            case 'csibm281':
704
            case 'ebcdicjpe':
705
            case 'ibm281':
706
                return 'IBM281';
707
 
708
            case 'cp284':
709
            case 'csibm284':
710
            case 'ebcdiccpes':
711
            case 'ibm284':
712
                return 'IBM284';
713
 
714
            case 'cp285':
715
            case 'csibm285':
716
            case 'ebcdiccpgb':
717
            case 'ibm285':
718
                return 'IBM285';
719
 
720
            case 'cp290':
721
            case 'csibm290':
722
            case 'ebcdicjpkana':
723
            case 'ibm290':
724
                return 'IBM290';
725
 
726
            case 'cp297':
727
            case 'csibm297':
728
            case 'ebcdiccpfr':
729
            case 'ibm297':
730
                return 'IBM297';
731
 
732
            case 'cp420':
733
            case 'csibm420':
734
            case 'ebcdiccpar1':
735
            case 'ibm420':
736
                return 'IBM420';
737
 
738
            case 'cp423':
739
            case 'csibm423':
740
            case 'ebcdiccpgr':
741
            case 'ibm423':
742
                return 'IBM423';
743
 
744
            case 'cp424':
745
            case 'csibm424':
746
            case 'ebcdiccphe':
747
            case 'ibm424':
748
                return 'IBM424';
749
 
750
            case '437':
751
            case 'cp437':
752
            case 'cspc8codepage437':
753
            case 'ibm437':
754
                return 'IBM437';
755
 
756
            case 'cp500':
757
            case 'csibm500':
758
            case 'ebcdiccpbe':
759
            case 'ebcdiccpch':
760
            case 'ibm500':
761
                return 'IBM500';
762
 
763
            case 'cp775':
764
            case 'cspc775baltic':
765
            case 'ibm775':
766
                return 'IBM775';
767
 
768
            case '850':
769
            case 'cp850':
770
            case 'cspc850multilingual':
771
            case 'ibm850':
772
                return 'IBM850';
773
 
774
            case '851':
775
            case 'cp851':
776
            case 'csibm851':
777
            case 'ibm851':
778
                return 'IBM851';
779
 
780
            case '852':
781
            case 'cp852':
782
            case 'cspcp852':
783
            case 'ibm852':
784
                return 'IBM852';
785
 
786
            case '855':
787
            case 'cp855':
788
            case 'csibm855':
789
            case 'ibm855':
790
                return 'IBM855';
791
 
792
            case '857':
793
            case 'cp857':
794
            case 'csibm857':
795
            case 'ibm857':
796
                return 'IBM857';
797
 
798
            case 'ccsid858':
799
            case 'cp858':
800
            case 'ibm858':
801
            case 'pcmultilingual850euro':
802
                return 'IBM00858';
803
 
804
            case '860':
805
            case 'cp860':
806
            case 'csibm860':
807
            case 'ibm860':
808
                return 'IBM860';
809
 
810
            case '861':
811
            case 'cp861':
812
            case 'cpis':
813
            case 'csibm861':
814
            case 'ibm861':
815
                return 'IBM861';
816
 
817
            case '862':
818
            case 'cp862':
819
            case 'cspc862latinhebrew':
820
            case 'ibm862':
821
                return 'IBM862';
822
 
823
            case '863':
824
            case 'cp863':
825
            case 'csibm863':
826
            case 'ibm863':
827
                return 'IBM863';
828
 
829
            case 'cp864':
830
            case 'csibm864':
831
            case 'ibm864':
832
                return 'IBM864';
833
 
834
            case '865':
835
            case 'cp865':
836
            case 'csibm865':
837
            case 'ibm865':
838
                return 'IBM865';
839
 
840
            case '866':
841
            case 'cp866':
842
            case 'csibm866':
843
            case 'ibm866':
844
                return 'IBM866';
845
 
846
            case 'cp868':
847
            case 'cpar':
848
            case 'csibm868':
849
            case 'ibm868':
850
                return 'IBM868';
851
 
852
            case '869':
853
            case 'cp869':
854
            case 'cpgr':
855
            case 'csibm869':
856
            case 'ibm869':
857
                return 'IBM869';
858
 
859
            case 'cp870':
860
            case 'csibm870':
861
            case 'ebcdiccproece':
862
            case 'ebcdiccpyu':
863
            case 'ibm870':
864
                return 'IBM870';
865
 
866
            case 'cp871':
867
            case 'csibm871':
868
            case 'ebcdiccpis':
869
            case 'ibm871':
870
                return 'IBM871';
871
 
872
            case 'cp880':
873
            case 'csibm880':
874
            case 'ebcdiccyrillic':
875
            case 'ibm880':
876
                return 'IBM880';
877
 
878
            case 'cp891':
879
            case 'csibm891':
880
            case 'ibm891':
881
                return 'IBM891';
882
 
883
            case 'cp903':
884
            case 'csibm903':
885
            case 'ibm903':
886
                return 'IBM903';
887
 
888
            case '904':
889
            case 'cp904':
890
            case 'csibbm904':
891
            case 'ibm904':
892
                return 'IBM904';
893
 
894
            case 'cp905':
895
            case 'csibm905':
896
            case 'ebcdiccptr':
897
            case 'ibm905':
898
                return 'IBM905';
899
 
900
            case 'cp918':
901
            case 'csibm918':
902
            case 'ebcdiccpar2':
903
            case 'ibm918':
904
                return 'IBM918';
905
 
906
            case 'ccsid924':
907
            case 'cp924':
908
            case 'ebcdiclatin9euro':
909
            case 'ibm924':
910
                return 'IBM00924';
911
 
912
            case 'cp1026':
913
            case 'csibm1026':
914
            case 'ibm1026':
915
                return 'IBM1026';
916
 
917
            case 'ibm1047':
918
                return 'IBM1047';
919
 
920
            case 'ccsid1140':
921
            case 'cp1140':
922
            case 'ebcdicus37euro':
923
            case 'ibm1140':
924
                return 'IBM01140';
925
 
926
            case 'ccsid1141':
927
            case 'cp1141':
928
            case 'ebcdicde273euro':
929
            case 'ibm1141':
930
                return 'IBM01141';
931
 
932
            case 'ccsid1142':
933
            case 'cp1142':
934
            case 'ebcdicdk277euro':
935
            case 'ebcdicno277euro':
936
            case 'ibm1142':
937
                return 'IBM01142';
938
 
939
            case 'ccsid1143':
940
            case 'cp1143':
941
            case 'ebcdicfi278euro':
942
            case 'ebcdicse278euro':
943
            case 'ibm1143':
944
                return 'IBM01143';
945
 
946
            case 'ccsid1144':
947
            case 'cp1144':
948
            case 'ebcdicit280euro':
949
            case 'ibm1144':
950
                return 'IBM01144';
951
 
952
            case 'ccsid1145':
953
            case 'cp1145':
954
            case 'ebcdices284euro':
955
            case 'ibm1145':
956
                return 'IBM01145';
957
 
958
            case 'ccsid1146':
959
            case 'cp1146':
960
            case 'ebcdicgb285euro':
961
            case 'ibm1146':
962
                return 'IBM01146';
963
 
964
            case 'ccsid1147':
965
            case 'cp1147':
966
            case 'ebcdicfr297euro':
967
            case 'ibm1147':
968
                return 'IBM01147';
969
 
970
            case 'ccsid1148':
971
            case 'cp1148':
972
            case 'ebcdicinternational500euro':
973
            case 'ibm1148':
974
                return 'IBM01148';
975
 
976
            case 'ccsid1149':
977
            case 'cp1149':
978
            case 'ebcdicis871euro':
979
            case 'ibm1149':
980
                return 'IBM01149';
981
 
982
            case 'csiso143iecp271':
983
            case 'iecp271':
984
            case 'isoir143':
985
                return 'IEC_P27-1';
986
 
987
            case 'csiso49inis':
988
            case 'inis':
989
            case 'isoir49':
990
                return 'INIS';
991
 
992
            case 'csiso50inis8':
993
            case 'inis8':
994
            case 'isoir50':
995
                return 'INIS-8';
996
 
997
            case 'csiso51iniscyrillic':
998
            case 'iniscyrillic':
999
            case 'isoir51':
1000
                return 'INIS-cyrillic';
1001
 
1002
            case 'csinvariant':
1003
            case 'invariant':
1004
                return 'INVARIANT';
1005
 
1006
            case 'iso2022cn':
1007
                return 'ISO-2022-CN';
1008
 
1009
            case 'iso2022cnext':
1010
                return 'ISO-2022-CN-EXT';
1011
 
1012
            case 'csiso2022jp':
1013
            case 'iso2022jp':
1014
                return 'ISO-2022-JP';
1015
 
1016
            case 'csiso2022jp2':
1017
            case 'iso2022jp2':
1018
                return 'ISO-2022-JP-2';
1019
 
1020
            case 'csiso2022kr':
1021
            case 'iso2022kr':
1022
                return 'ISO-2022-KR';
1023
 
1024
            case 'cswindows30latin1':
1025
            case 'iso88591windows30latin1':
1026
                return 'ISO-8859-1-Windows-3.0-Latin-1';
1027
 
1028
            case 'cswindows31latin1':
1029
            case 'iso88591windows31latin1':
1030
                return 'ISO-8859-1-Windows-3.1-Latin-1';
1031
 
1032
            case 'csisolatin2':
1033
            case 'iso88592':
1034
            case 'iso885921987':
1035
            case 'isoir101':
1036
            case 'l2':
1037
            case 'latin2':
1038
                return 'ISO-8859-2';
1039
 
1040
            case 'cswindows31latin2':
1041
            case 'iso88592windowslatin2':
1042
                return 'ISO-8859-2-Windows-Latin-2';
1043
 
1044
            case 'csisolatin3':
1045
            case 'iso88593':
1046
            case 'iso885931988':
1047
            case 'isoir109':
1048
            case 'l3':
1049
            case 'latin3':
1050
                return 'ISO-8859-3';
1051
 
1052
            case 'csisolatin4':
1053
            case 'iso88594':
1054
            case 'iso885941988':
1055
            case 'isoir110':
1056
            case 'l4':
1057
            case 'latin4':
1058
                return 'ISO-8859-4';
1059
 
1060
            case 'csisolatincyrillic':
1061
            case 'cyrillic':
1062
            case 'iso88595':
1063
            case 'iso885951988':
1064
            case 'isoir144':
1065
                return 'ISO-8859-5';
1066
 
1067
            case 'arabic':
1068
            case 'asmo708':
1069
            case 'csisolatinarabic':
1070
            case 'ecma114':
1071
            case 'iso88596':
1072
            case 'iso885961987':
1073
            case 'isoir127':
1074
                return 'ISO-8859-6';
1075
 
1076
            case 'csiso88596e':
1077
            case 'iso88596e':
1078
                return 'ISO-8859-6-E';
1079
 
1080
            case 'csiso88596i':
1081
            case 'iso88596i':
1082
                return 'ISO-8859-6-I';
1083
 
1084
            case 'csisolatingreek':
1085
            case 'ecma118':
1086
            case 'elot928':
1087
            case 'greek':
1088
            case 'greek8':
1089
            case 'iso88597':
1090
            case 'iso885971987':
1091
            case 'isoir126':
1092
                return 'ISO-8859-7';
1093
 
1094
            case 'csisolatinhebrew':
1095
            case 'hebrew':
1096
            case 'iso88598':
1097
            case 'iso885981988':
1098
            case 'isoir138':
1099
                return 'ISO-8859-8';
1100
 
1101
            case 'csiso88598e':
1102
            case 'iso88598e':
1103
                return 'ISO-8859-8-E';
1104
 
1105
            case 'csiso88598i':
1106
            case 'iso88598i':
1107
                return 'ISO-8859-8-I';
1108
 
1109
            case 'cswindows31latin5':
1110
            case 'iso88599windowslatin5':
1111
                return 'ISO-8859-9-Windows-Latin-5';
1112
 
1113
            case 'csisolatin6':
1114
            case 'iso885910':
1115
            case 'iso8859101992':
1116
            case 'isoir157':
1117
            case 'l6':
1118
            case 'latin6':
1119
                return 'ISO-8859-10';
1120
 
1121
            case 'iso885913':
1122
                return 'ISO-8859-13';
1123
 
1124
            case 'iso885914':
1125
            case 'iso8859141998':
1126
            case 'isoceltic':
1127
            case 'isoir199':
1128
            case 'l8':
1129
            case 'latin8':
1130
                return 'ISO-8859-14';
1131
 
1132
            case 'iso885915':
1133
            case 'latin9':
1134
                return 'ISO-8859-15';
1135
 
1136
            case 'iso885916':
1137
            case 'iso8859162001':
1138
            case 'isoir226':
1139
            case 'l10':
1140
            case 'latin10':
1141
                return 'ISO-8859-16';
1142
 
1143
            case 'iso10646j1':
1144
                return 'ISO-10646-J-1';
1145
 
1146
            case 'csunicode':
1147
            case 'iso10646ucs2':
1148
                return 'ISO-10646-UCS-2';
1149
 
1150
            case 'csucs4':
1151
            case 'iso10646ucs4':
1152
                return 'ISO-10646-UCS-4';
1153
 
1154
            case 'csunicodeascii':
1155
            case 'iso10646ucsbasic':
1156
                return 'ISO-10646-UCS-Basic';
1157
 
1158
            case 'csunicodelatin1':
1159
            case 'iso10646':
1160
            case 'iso10646unicodelatin1':
1161
                return 'ISO-10646-Unicode-Latin1';
1162
 
1163
            case 'csiso10646utf1':
1164
            case 'iso10646utf1':
1165
                return 'ISO-10646-UTF-1';
1166
 
1167
            case 'csiso115481':
1168
            case 'iso115481':
1169
            case 'isotr115481':
1170
                return 'ISO-11548-1';
1171
 
1172
            case 'csiso90':
1173
            case 'isoir90':
1174
                return 'iso-ir-90';
1175
 
1176
            case 'csunicodeibm1261':
1177
            case 'isounicodeibm1261':
1178
                return 'ISO-Unicode-IBM-1261';
1179
 
1180
            case 'csunicodeibm1264':
1181
            case 'isounicodeibm1264':
1182
                return 'ISO-Unicode-IBM-1264';
1183
 
1184
            case 'csunicodeibm1265':
1185
            case 'isounicodeibm1265':
1186
                return 'ISO-Unicode-IBM-1265';
1187
 
1188
            case 'csunicodeibm1268':
1189
            case 'isounicodeibm1268':
1190
                return 'ISO-Unicode-IBM-1268';
1191
 
1192
            case 'csunicodeibm1276':
1193
            case 'isounicodeibm1276':
1194
                return 'ISO-Unicode-IBM-1276';
1195
 
1196
            case 'csiso646basic1983':
1197
            case 'iso646basic1983':
1198
            case 'ref':
1199
                return 'ISO_646.basic:1983';
1200
 
1201
            case 'csiso2intlrefversion':
1202
            case 'irv':
1203
            case 'iso646irv1983':
1204
            case 'isoir2':
1205
                return 'ISO_646.irv:1983';
1206
 
1207
            case 'csiso2033':
1208
            case 'e13b':
1209
            case 'iso20331983':
1210
            case 'isoir98':
1211
                return 'ISO_2033-1983';
1212
 
1213
            case 'csiso5427cyrillic':
1214
            case 'iso5427':
1215
            case 'isoir37':
1216
                return 'ISO_5427';
1217
 
1218
            case 'iso5427cyrillic1981':
1219
            case 'iso54271981':
1220
            case 'isoir54':
1221
                return 'ISO_5427:1981';
1222
 
1223
            case 'csiso5428greek':
1224
            case 'iso54281980':
1225
            case 'isoir55':
1226
                return 'ISO_5428:1980';
1227
 
1228
            case 'csiso6937add':
1229
            case 'iso6937225':
1230
            case 'isoir152':
1231
                return 'ISO_6937-2-25';
1232
 
1233
            case 'csisotextcomm':
1234
            case 'iso69372add':
1235
            case 'isoir142':
1236
                return 'ISO_6937-2-add';
1237
 
1238
            case 'csiso8859supp':
1239
            case 'iso8859supp':
1240
            case 'isoir154':
1241
            case 'latin125':
1242
                return 'ISO_8859-supp';
1243
 
1244
            case 'csiso10367box':
1245
            case 'iso10367box':
1246
            case 'isoir155':
1247
                return 'ISO_10367-box';
1248
 
1249
            case 'csiso15italian':
1250
            case 'iso646it':
1251
            case 'isoir15':
1252
            case 'it':
1253
                return 'IT';
1254
 
1255
            case 'csiso13jisc6220jp':
1256
            case 'isoir13':
1257
            case 'jisc62201969':
1258
            case 'jisc62201969jp':
1259
            case 'katakana':
1260
            case 'x2017':
1261
                return 'JIS_C6220-1969-jp';
1262
 
1263
            case 'csiso14jisc6220ro':
1264
            case 'iso646jp':
1265
            case 'isoir14':
1266
            case 'jisc62201969ro':
1267
            case 'jp':
1268
                return 'JIS_C6220-1969-ro';
1269
 
1270
            case 'csiso42jisc62261978':
1271
            case 'isoir42':
1272
            case 'jisc62261978':
1273
                return 'JIS_C6226-1978';
1274
 
1275
            case 'csiso87jisx208':
1276
            case 'isoir87':
1277
            case 'jisc62261983':
1278
            case 'jisx2081983':
1279
            case 'x208':
1280
                return 'JIS_C6226-1983';
1281
 
1282
            case 'csiso91jisc62291984a':
1283
            case 'isoir91':
1284
            case 'jisc62291984a':
1285
            case 'jpocra':
1286
                return 'JIS_C6229-1984-a';
1287
 
1288
            case 'csiso92jisc62991984b':
1289
            case 'iso646jpocrb':
1290
            case 'isoir92':
1291
            case 'jisc62291984b':
1292
            case 'jpocrb':
1293
                return 'JIS_C6229-1984-b';
1294
 
1295
            case 'csiso93jis62291984badd':
1296
            case 'isoir93':
1297
            case 'jisc62291984badd':
1298
            case 'jpocrbadd':
1299
                return 'JIS_C6229-1984-b-add';
1300
 
1301
            case 'csiso94jis62291984hand':
1302
            case 'isoir94':
1303
            case 'jisc62291984hand':
1304
            case 'jpocrhand':
1305
                return 'JIS_C6229-1984-hand';
1306
 
1307
            case 'csiso95jis62291984handadd':
1308
            case 'isoir95':
1309
            case 'jisc62291984handadd':
1310
            case 'jpocrhandadd':
1311
                return 'JIS_C6229-1984-hand-add';
1312
 
1313
            case 'csiso96jisc62291984kana':
1314
            case 'isoir96':
1315
            case 'jisc62291984kana':
1316
                return 'JIS_C6229-1984-kana';
1317
 
1318
            case 'csjisencoding':
1319
            case 'jisencoding':
1320
                return 'JIS_Encoding';
1321
 
1322
            case 'cshalfwidthkatakana':
1323
            case 'jisx201':
1324
            case 'x201':
1325
                return 'JIS_X0201';
1326
 
1327
            case 'csiso159jisx2121990':
1328
            case 'isoir159':
1329
            case 'jisx2121990':
1330
            case 'x212':
1331
                return 'JIS_X0212-1990';
1332
 
1333
            case 'csiso141jusib1002':
1334
            case 'iso646yu':
1335
            case 'isoir141':
1336
            case 'js':
1337
            case 'jusib1002':
1338
            case 'yu':
1339
                return 'JUS_I.B1.002';
1340
 
1341
            case 'csiso147macedonian':
1342
            case 'isoir147':
1343
            case 'jusib1003mac':
1344
            case 'macedonian':
1345
                return 'JUS_I.B1.003-mac';
1346
 
1347
            case 'csiso146serbian':
1348
            case 'isoir146':
1349
            case 'jusib1003serb':
1350
            case 'serbian':
1351
                return 'JUS_I.B1.003-serb';
1352
 
1353
            case 'koi7switched':
1354
                return 'KOI7-switched';
1355
 
1356
            case 'cskoi8r':
1357
            case 'koi8r':
1358
                return 'KOI8-R';
1359
 
1360
            case 'koi8u':
1361
                return 'KOI8-U';
1362
 
1363
            case 'csksc5636':
1364
            case 'iso646kr':
1365
            case 'ksc5636':
1366
                return 'KSC5636';
1367
 
1368
            case 'cskz1048':
1369
            case 'kz1048':
1370
            case 'rk1048':
1371
            case 'strk10482002':
1372
                return 'KZ-1048';
1373
 
1374
            case 'csiso19latingreek':
1375
            case 'isoir19':
1376
            case 'latingreek':
1377
                return 'latin-greek';
1378
 
1379
            case 'csiso27latingreek1':
1380
            case 'isoir27':
1381
            case 'latingreek1':
1382
                return 'Latin-greek-1';
1383
 
1384
            case 'csiso158lap':
1385
            case 'isoir158':
1386
            case 'lap':
1387
            case 'latinlap':
1388
                return 'latin-lap';
1389
 
1390
            case 'csmacintosh':
1391
            case 'mac':
1392
            case 'macintosh':
1393
                return 'macintosh';
1394
 
1395
            case 'csmicrosoftpublishing':
1396
            case 'microsoftpublishing':
1397
                return 'Microsoft-Publishing';
1398
 
1399
            case 'csmnem':
1400
            case 'mnem':
1401
                return 'MNEM';
1402
 
1403
            case 'csmnemonic':
1404
            case 'mnemonic':
1405
                return 'MNEMONIC';
1406
 
1407
            case 'csiso86hungarian':
1408
            case 'hu':
1409
            case 'iso646hu':
1410
            case 'isoir86':
1411
            case 'msz77953':
1412
                return 'MSZ_7795.3';
1413
 
1414
            case 'csnatsdano':
1415
            case 'isoir91':
1416
            case 'natsdano':
1417
                return 'NATS-DANO';
1418
 
1419
            case 'csnatsdanoadd':
1420
            case 'isoir92':
1421
            case 'natsdanoadd':
1422
                return 'NATS-DANO-ADD';
1423
 
1424
            case 'csnatssefi':
1425
            case 'isoir81':
1426
            case 'natssefi':
1427
                return 'NATS-SEFI';
1428
 
1429
            case 'csnatssefiadd':
1430
            case 'isoir82':
1431
            case 'natssefiadd':
1432
                return 'NATS-SEFI-ADD';
1433
 
1434
            case 'csiso151cuba':
1435
            case 'cuba':
1436
            case 'iso646cu':
1437
            case 'isoir151':
1438
            case 'ncnc1081':
1439
                return 'NC_NC00-10:81';
1440
 
1441
            case 'csiso69french':
1442
            case 'fr':
1443
            case 'iso646fr':
1444
            case 'isoir69':
1445
            case 'nfz62010':
1446
                return 'NF_Z_62-010';
1447
 
1448
            case 'csiso25french':
1449
            case 'iso646fr1':
1450
            case 'isoir25':
1451
            case 'nfz620101973':
1452
                return 'NF_Z_62-010_(1973)';
1453
 
1454
            case 'csiso60danishnorwegian':
1455
            case 'csiso60norwegian1':
1456
            case 'iso646no':
1457
            case 'isoir60':
1458
            case 'no':
1459
            case 'ns45511':
1460
                return 'NS_4551-1';
1461
 
1462
            case 'csiso61norwegian2':
1463
            case 'iso646no2':
1464
            case 'isoir61':
1465
            case 'no2':
1466
            case 'ns45512':
1467
                return 'NS_4551-2';
1468
 
1469
            case 'osdebcdicdf3irv':
1470
                return 'OSD_EBCDIC_DF03_IRV';
1471
 
1472
            case 'osdebcdicdf41':
1473
                return 'OSD_EBCDIC_DF04_1';
1474
 
1475
            case 'osdebcdicdf415':
1476
                return 'OSD_EBCDIC_DF04_15';
1477
 
1478
            case 'cspc8danishnorwegian':
1479
            case 'pc8danishnorwegian':
1480
                return 'PC8-Danish-Norwegian';
1481
 
1482
            case 'cspc8turkish':
1483
            case 'pc8turkish':
1484
                return 'PC8-Turkish';
1485
 
1486
            case 'csiso16portuguese':
1487
            case 'iso646pt':
1488
            case 'isoir16':
1489
            case 'pt':
1490
                return 'PT';
1491
 
1492
            case 'csiso84portuguese2':
1493
            case 'iso646pt2':
1494
            case 'isoir84':
1495
            case 'pt2':
1496
                return 'PT2';
1497
 
1498
            case 'cp154':
1499
            case 'csptcp154':
1500
            case 'cyrillicasian':
1501
            case 'pt154':
1502
            case 'ptcp154':
1503
                return 'PTCP154';
1504
 
1505
            case 'scsu':
1506
                return 'SCSU';
1507
 
1508
            case 'csiso10swedish':
1509
            case 'fi':
1510
            case 'iso646fi':
1511
            case 'iso646se':
1512
            case 'isoir10':
1513
            case 'se':
1514
            case 'sen850200b':
1515
                return 'SEN_850200_B';
1516
 
1517
            case 'csiso11swedishfornames':
1518
            case 'iso646se2':
1519
            case 'isoir11':
1520
            case 'se2':
1521
            case 'sen850200c':
1522
                return 'SEN_850200_C';
1523
 
1524
            case 'csiso102t617bit':
1525
            case 'isoir102':
1526
            case 't617bit':
1527
                return 'T.61-7bit';
1528
 
1529
            case 'csiso103t618bit':
1530
            case 'isoir103':
1531
            case 't61':
1532
            case 't618bit':
1533
                return 'T.61-8bit';
1534
 
1535
            case 'csiso128t101g2':
1536
            case 'isoir128':
1537
            case 't101g2':
1538
                return 'T.101-G2';
1539
 
1540
            case 'cstscii':
1541
            case 'tscii':
1542
                return 'TSCII';
1543
 
1544
            case 'csunicode11':
1545
            case 'unicode11':
1546
                return 'UNICODE-1-1';
1547
 
1548
            case 'csunicode11utf7':
1549
            case 'unicode11utf7':
1550
                return 'UNICODE-1-1-UTF-7';
1551
 
1552
            case 'csunknown8bit':
1553
            case 'unknown8bit':
1554
                return 'UNKNOWN-8BIT';
1555
 
1556
            case 'ansix341968':
1557
            case 'ansix341986':
1558
            case 'ascii':
1559
            case 'cp367':
1560
            case 'csascii':
1561
            case 'ibm367':
1562
            case 'iso646irv1991':
1563
            case 'iso646us':
1564
            case 'isoir6':
1565
            case 'us':
1566
            case 'usascii':
1567
                return 'US-ASCII';
1568
 
1569
            case 'csusdk':
1570
            case 'usdk':
1571
                return 'us-dk';
1572
 
1573
            case 'utf7':
1574
                return 'UTF-7';
1575
 
1576
            case 'utf8':
1577
                return 'UTF-8';
1578
 
1579
            case 'utf16':
1580
                return 'UTF-16';
1581
 
1582
            case 'utf16be':
1583
                return 'UTF-16BE';
1584
 
1585
            case 'utf16le':
1586
                return 'UTF-16LE';
1587
 
1588
            case 'utf32':
1589
                return 'UTF-32';
1590
 
1591
            case 'utf32be':
1592
                return 'UTF-32BE';
1593
 
1594
            case 'utf32le':
1595
                return 'UTF-32LE';
1596
 
1597
            case 'csventurainternational':
1598
            case 'venturainternational':
1599
                return 'Ventura-International';
1600
 
1601
            case 'csventuramath':
1602
            case 'venturamath':
1603
                return 'Ventura-Math';
1604
 
1605
            case 'csventuraus':
1606
            case 'venturaus':
1607
                return 'Ventura-US';
1608
 
1609
            case 'csiso70videotexsupp1':
1610
            case 'isoir70':
1611
            case 'videotexsuppl':
1612
                return 'videotex-suppl';
1613
 
1614
            case 'csviqr':
1615
            case 'viqr':
1616
                return 'VIQR';
1617
 
1618
            case 'csviscii':
1619
            case 'viscii':
1620
                return 'VISCII';
1621
 
1622
            case 'csshiftjis':
1623
            case 'cswindows31j':
1624
            case 'mskanji':
1625
            case 'shiftjis':
1626
            case 'windows31j':
1627
                return 'Windows-31J';
1628
 
1629
            case 'iso885911':
1630
            case 'tis620':
1631
                return 'windows-874';
1632
 
1633
            case 'cseuckr':
1634
            case 'csksc56011987':
1635
            case 'euckr':
1636
            case 'isoir149':
1637
            case 'korean':
1638
            case 'ksc5601':
1639
            case 'ksc56011987':
1640
            case 'ksc56011989':
1641
            case 'windows949':
1642
                return 'windows-949';
1643
 
1644
            case 'windows1250':
1645
                return 'windows-1250';
1646
 
1647
            case 'windows1251':
1648
                return 'windows-1251';
1649
 
1650
            case 'cp819':
1651
            case 'csisolatin1':
1652
            case 'ibm819':
1653
            case 'iso88591':
1654
            case 'iso885911987':
1655
            case 'isoir100':
1656
            case 'l1':
1657
            case 'latin1':
1658
            case 'windows1252':
1659
                return 'windows-1252';
1660
 
1661
            case 'windows1253':
1662
                return 'windows-1253';
1663
 
1664
            case 'csisolatin5':
1665
            case 'iso88599':
1666
            case 'iso885991989':
1667
            case 'isoir148':
1668
            case 'l5':
1669
            case 'latin5':
1670
            case 'windows1254':
1671
                return 'windows-1254';
1672
 
1673
            case 'windows1255':
1674
                return 'windows-1255';
1675
 
1676
            case 'windows1256':
1677
                return 'windows-1256';
1678
 
1679
            case 'windows1257':
1680
                return 'windows-1257';
1681
 
1682
            case 'windows1258':
1683
                return 'windows-1258';
1684
 
1685
            default:
1686
                return $charset;
1687
        }
1688
    }
1689
 
1690
    public static function get_curl_version()
1691
    {
1692
        if (is_array($curl = curl_version())) {
1693
            $curl = $curl['version'];
1694
        } elseif (substr($curl, 0, 5) === 'curl/') {
1695
            $curl = substr($curl, 5, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 5));
1696
        } elseif (substr($curl, 0, 8) === 'libcurl/') {
1697
            $curl = substr($curl, 8, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 8));
1698
        } else {
1699
            $curl = 0;
1700
        }
1701
        return $curl;
1702
    }
1703
 
1704
    /**
1705
     * Strip HTML comments
1706
     *
1707
     * @param string $data Data to strip comments from
1708
     * @return string Comment stripped string
1709
     */
1710
    public static function strip_comments($data)
1711
    {
1712
        $output = '';
1713
        while (($start = strpos($data, '<!--')) !== false) {
1714
            $output .= substr($data, 0, $start);
1715
            if (($end = strpos($data, '-->', $start)) !== false) {
1716
                $data = substr_replace($data, '', 0, $end + 3);
1717
            } else {
1718
                $data = '';
1719
            }
1720
        }
1721
        return $output . $data;
1722
    }
1723
 
1724
    public static function parse_date($dt)
1725
    {
1726
        $parser = \SimplePie\Parse\Date::get();
1727
        return $parser->parse($dt);
1728
    }
1729
 
1730
    /**
1731
     * Decode HTML entities
1732
     *
1733
     * @deprecated since SimplePie 1.3, use DOMDocument instead
1734
     * @param string $data Input data
1735
     * @return string Output data
1736
     */
1737
    public static function entities_decode($data)
1738
    {
1739
        // trigger_error(sprintf('Using method "' . __METHOD__ . '" is deprecated since SimplePie 1.3, use "DOMDocument" instead.'), \E_USER_DEPRECATED);
1740
 
1741
        $decoder = new \SimplePie_Decode_HTML_Entities($data);
1742
        return $decoder->parse();
1743
    }
1744
 
1745
    /**
1746
     * Remove RFC822 comments
1747
     *
1748
     * @param string $data Data to strip comments from
1749
     * @return string Comment stripped string
1750
     */
1751
    public static function uncomment_rfc822($string)
1752
    {
1753
        $string = (string) $string;
1754
        $position = 0;
1755
        $length = strlen($string);
1756
        $depth = 0;
1757
 
1758
        $output = '';
1759
 
1760
        while ($position < $length && ($pos = strpos($string, '(', $position)) !== false) {
1761
            $output .= substr($string, $position, $pos - $position);
1762
            $position = $pos + 1;
1763
            if ($string[$pos - 1] !== '\\') {
1764
                $depth++;
1765
                while ($depth && $position < $length) {
1766
                    $position += strcspn($string, '()', $position);
1767
                    if ($string[$position - 1] === '\\') {
1768
                        $position++;
1769
                        continue;
1770
                    } elseif (isset($string[$position])) {
1771
                        switch ($string[$position]) {
1772
                            case '(':
1773
                                $depth++;
1774
                                break;
1775
 
1776
                            case ')':
1777
                                $depth--;
1778
                                break;
1779
                        }
1780
                        $position++;
1781
                    } else {
1782
                        break;
1783
                    }
1784
                }
1785
            } else {
1786
                $output .= '(';
1787
            }
1788
        }
1789
        $output .= substr($string, $position);
1790
 
1791
        return $output;
1792
    }
1793
 
1794
    public static function parse_mime($mime)
1795
    {
1796
        if (($pos = strpos($mime, ';')) === false) {
1797
            return trim($mime);
1798
        }
1799
 
1800
        return trim(substr($mime, 0, $pos));
1801
    }
1802
 
1803
    public static function atom_03_construct_type($attribs)
1804
    {
1805
        if (isset($attribs['']['mode']) && strtolower(trim($attribs['']['mode'])) === 'base64') {
1806
            $mode = \SimplePie\SimplePie::CONSTRUCT_BASE64;
1807
        } else {
1808
            $mode = \SimplePie\SimplePie::CONSTRUCT_NONE;
1809
        }
1810
        if (isset($attribs['']['type'])) {
1811
            switch (strtolower(trim($attribs['']['type']))) {
1812
                case 'text':
1813
                case 'text/plain':
1814
                    return \SimplePie\SimplePie::CONSTRUCT_TEXT | $mode;
1815
 
1816
                case 'html':
1817
                case 'text/html':
1818
                    return \SimplePie\SimplePie::CONSTRUCT_HTML | $mode;
1819
 
1820
                case 'xhtml':
1821
                case 'application/xhtml+xml':
1822
                    return \SimplePie\SimplePie::CONSTRUCT_XHTML | $mode;
1823
 
1824
                default:
1825
                    return \SimplePie\SimplePie::CONSTRUCT_NONE | $mode;
1826
            }
1827
        }
1828
 
1829
        return \SimplePie\SimplePie::CONSTRUCT_TEXT | $mode;
1830
    }
1831
 
1832
    public static function atom_10_construct_type($attribs)
1833
    {
1834
        if (isset($attribs['']['type'])) {
1835
            switch (strtolower(trim($attribs['']['type']))) {
1836
                case 'text':
1837
                    return \SimplePie\SimplePie::CONSTRUCT_TEXT;
1838
 
1839
                case 'html':
1840
                    return \SimplePie\SimplePie::CONSTRUCT_HTML;
1841
 
1842
                case 'xhtml':
1843
                    return \SimplePie\SimplePie::CONSTRUCT_XHTML;
1844
 
1845
                default:
1846
                    return \SimplePie\SimplePie::CONSTRUCT_NONE;
1847
            }
1848
        }
1849
        return \SimplePie\SimplePie::CONSTRUCT_TEXT;
1850
    }
1851
 
1852
    public static function atom_10_content_construct_type($attribs)
1853
    {
1854
        if (isset($attribs['']['type'])) {
1855
            $type = strtolower(trim($attribs['']['type']));
1856
            switch ($type) {
1857
                case 'text':
1858
                    return \SimplePie\SimplePie::CONSTRUCT_TEXT;
1859
 
1860
                case 'html':
1861
                    return \SimplePie\SimplePie::CONSTRUCT_HTML;
1862
 
1863
                case 'xhtml':
1864
                    return \SimplePie\SimplePie::CONSTRUCT_XHTML;
1865
            }
1866
            if (in_array(substr($type, -4), ['+xml', '/xml']) || substr($type, 0, 5) === 'text/') {
1867
                return \SimplePie\SimplePie::CONSTRUCT_NONE;
1868
            } else {
1869
                return \SimplePie\SimplePie::CONSTRUCT_BASE64;
1870
            }
1871
        }
1872
 
1873
        return \SimplePie\SimplePie::CONSTRUCT_TEXT;
1874
    }
1875
 
1876
    public static function is_isegment_nz_nc($string)
1877
    {
1878
        return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string);
1879
    }
1880
 
1881
    public static function space_separated_tokens($string)
1882
    {
1883
        $space_characters = "\x20\x09\x0A\x0B\x0C\x0D";
1884
        $string_length = strlen($string);
1885
 
1886
        $position = strspn($string, $space_characters);
1887
        $tokens = [];
1888
 
1889
        while ($position < $string_length) {
1890
            $len = strcspn($string, $space_characters, $position);
1891
            $tokens[] = substr($string, $position, $len);
1892
            $position += $len;
1893
            $position += strspn($string, $space_characters, $position);
1894
        }
1895
 
1896
        return $tokens;
1897
    }
1898
 
1899
    /**
1900
     * Converts a unicode codepoint to a UTF-8 character
1901
     *
1902
     * @static
1903
     * @param int $codepoint Unicode codepoint
1904
     * @return string UTF-8 character
1905
     */
1906
    public static function codepoint_to_utf8($codepoint)
1907
    {
1908
        $codepoint = (int) $codepoint;
1909
        if ($codepoint < 0) {
1910
            return false;
1911
        } elseif ($codepoint <= 0x7f) {
1912
            return chr($codepoint);
1913
        } elseif ($codepoint <= 0x7ff) {
1914
            return chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f));
1915
        } elseif ($codepoint <= 0xffff) {
1916
            return chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
1917
        } elseif ($codepoint <= 0x10ffff) {
1918
            return chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
1919
        }
1920
 
1921
        // U+FFFD REPLACEMENT CHARACTER
1922
        return "\xEF\xBF\xBD";
1923
    }
1924
 
1925
    /**
1926
     * Similar to parse_str()
1927
     *
1928
     * Returns an associative array of name/value pairs, where the value is an
1929
     * array of values that have used the same name
1930
     *
1931
     * @static
1932
     * @param string $str The input string.
1933
     * @return array
1934
     */
1935
    public static function parse_str($str)
1936
    {
1937
        $return = [];
1938
        $str = explode('&', $str);
1939
 
1940
        foreach ($str as $section) {
1941
            if (strpos($section, '=') !== false) {
1942
                [$name, $value] = explode('=', $section, 2);
1943
                $return[urldecode($name)][] = urldecode($value);
1944
            } else {
1945
                $return[urldecode($section)][] = null;
1946
            }
1947
        }
1948
 
1949
        return $return;
1950
    }
1951
 
1952
    /**
1953
     * Detect XML encoding, as per XML 1.0 Appendix F.1
1954
     *
1955
     * @todo Add support for EBCDIC
1956
     * @param string $data XML data
1957
     * @param \SimplePie\Registry $registry Class registry
1958
     * @return array Possible encodings
1959
     */
1960
    public static function xml_encoding($data, $registry)
1961
    {
1962
        // UTF-32 Big Endian BOM
1963
        if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") {
1964
            $encoding[] = 'UTF-32BE';
1965
        }
1966
        // UTF-32 Little Endian BOM
1967
        elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") {
1968
            $encoding[] = 'UTF-32LE';
1969
        }
1970
        // UTF-16 Big Endian BOM
1971
        elseif (substr($data, 0, 2) === "\xFE\xFF") {
1972
            $encoding[] = 'UTF-16BE';
1973
        }
1974
        // UTF-16 Little Endian BOM
1975
        elseif (substr($data, 0, 2) === "\xFF\xFE") {
1976
            $encoding[] = 'UTF-16LE';
1977
        }
1978
        // UTF-8 BOM
1979
        elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") {
1980
            $encoding[] = 'UTF-8';
1981
        }
1982
        // UTF-32 Big Endian Without BOM
1983
        elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C") {
1984
            if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E")) {
1985
                $parser = $registry->create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8')]);
1986
                if ($parser->parse()) {
1987
                    $encoding[] = $parser->encoding;
1988
                }
1989
            }
1990
            $encoding[] = 'UTF-32BE';
1991
        }
1992
        // UTF-32 Little Endian Without BOM
1993
        elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00") {
1994
            if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00")) {
1995
                $parser = $registry->create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8')]);
1996
                if ($parser->parse()) {
1997
                    $encoding[] = $parser->encoding;
1998
                }
1999
            }
2000
            $encoding[] = 'UTF-32LE';
2001
        }
2002
        // UTF-16 Big Endian Without BOM
2003
        elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C") {
2004
            if ($pos = strpos($data, "\x00\x3F\x00\x3E")) {
2005
                $parser = $registry->create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8')]);
2006
                if ($parser->parse()) {
2007
                    $encoding[] = $parser->encoding;
2008
                }
2009
            }
2010
            $encoding[] = 'UTF-16BE';
2011
        }
2012
        // UTF-16 Little Endian Without BOM
2013
        elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00") {
2014
            if ($pos = strpos($data, "\x3F\x00\x3E\x00")) {
2015
                $parser = $registry->create(Parser::class, [Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8')]);
2016
                if ($parser->parse()) {
2017
                    $encoding[] = $parser->encoding;
2018
                }
2019
            }
2020
            $encoding[] = 'UTF-16LE';
2021
        }
2022
        // US-ASCII (or superset)
2023
        elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C") {
2024
            if ($pos = strpos($data, "\x3F\x3E")) {
2025
                $parser = $registry->create(Parser::class, [substr($data, 5, $pos - 5)]);
2026
                if ($parser->parse()) {
2027
                    $encoding[] = $parser->encoding;
2028
                }
2029
            }
2030
            $encoding[] = 'UTF-8';
2031
        }
2032
        // Fallback to UTF-8
2033
        else {
2034
            $encoding[] = 'UTF-8';
2035
        }
2036
        return $encoding;
2037
    }
2038
 
2039
    public static function output_javascript()
2040
    {
2041
        if (function_exists('ob_gzhandler')) {
2042
            ob_start('ob_gzhandler');
2043
        }
2044
        header('Content-type: text/javascript; charset: UTF-8');
2045
        header('Cache-Control: must-revalidate');
2046
        header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days
2047
 
2048
        $body = <<<END
2049
function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) {
2050
	if (placeholder != '') {
2051
		document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
2052
	}
2053
	else {
2054
		document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
2055
	}
2056
}
2057
 
2058
function embed_flash(bgcolor, width, height, link, loop, type) {
2059
	document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>');
2060
}
2061
 
2062
function embed_flv(width, height, link, placeholder, loop, player) {
2063
	document.writeln('<embed src="'+player+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="'+width+'" height="'+height+'" wmode="transparent" flashvars="file='+link+'&autostart=false&repeat='+loop+'&showdigits=true&showfsbutton=false"></embed>');
2064
}
2065
 
2066
function embed_wmedia(width, height, link) {
2067
	document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>');
2068
}
2069
END;
2070
        echo $body;
2071
    }
2072
 
2073
    /**
2074
     * Get the SimplePie build timestamp
2075
     *
2076
     * Uses the git index if it exists, otherwise uses the modification time
2077
     * of the newest file.
2078
     */
2079
    public static function get_build()
2080
    {
2081
        if (static::$SIMPLEPIE_BUILD !== null) {
2082
            return static::$SIMPLEPIE_BUILD;
2083
        }
2084
 
2085
        $root = dirname(__FILE__, 2);
2086
        if (file_exists($root . '/.git/index')) {
2087
            static::$SIMPLEPIE_BUILD = filemtime($root . '/.git/index');
2088
 
2089
            return static::$SIMPLEPIE_BUILD;
2090
        } elseif (file_exists($root . '/SimplePie')) {
2091
            $time = 0;
2092
            foreach (glob($root . '/SimplePie/*.php') as $file) {
2093
                if (($mtime = filemtime($file)) > $time) {
2094
                    $time = $mtime;
2095
                }
2096
            }
2097
            static::$SIMPLEPIE_BUILD = $time;
2098
 
2099
            return static::$SIMPLEPIE_BUILD;
2100
        } elseif (file_exists(dirname(__FILE__) . '/Core.php')) {
2101
            static::$SIMPLEPIE_BUILD = filemtime(dirname(__FILE__) . '/Core.php');
2102
 
2103
            return static::$SIMPLEPIE_BUILD;
2104
        }
2105
 
2106
        static::$SIMPLEPIE_BUILD = filemtime(__FILE__);
2107
 
2108
        return static::$SIMPLEPIE_BUILD;
2109
    }
2110
 
2111
    /**
2112
     * Get the default user agent string
2113
     *
2114
     * @return string
2115
     */
2116
    public static function get_default_useragent()
2117
    {
2118
        return \SimplePie\SimplePie::NAME . '/' . \SimplePie\SimplePie::VERSION . ' (Feed Parser; ' . \SimplePie\SimplePie::URL . '; Allow like Gecko) Build/' . static::get_build();
2119
    }
2120
 
2121
    /**
2122
     * Format debugging information
2123
     */
2124
    public static function debug(&$sp)
2125
    {
2126
        $info = 'SimplePie ' . \SimplePie\SimplePie::VERSION . ' Build ' . static::get_build() . "\n";
2127
        $info .= 'PHP ' . PHP_VERSION . "\n";
2128
        if ($sp->error() !== null) {
2129
            $info .= 'Error occurred: ' . $sp->error() . "\n";
2130
        } else {
2131
            $info .= "No error found.\n";
2132
        }
2133
        $info .= "Extensions:\n";
2134
        $extensions = ['pcre', 'curl', 'zlib', 'mbstring', 'iconv', 'xmlreader', 'xml'];
2135
        foreach ($extensions as $ext) {
2136
            if (extension_loaded($ext)) {
2137
                $info .= "    $ext loaded\n";
2138
                switch ($ext) {
2139
                    case 'pcre':
2140
                        $info .= '      Version ' . PCRE_VERSION . "\n";
2141
                        break;
2142
                    case 'curl':
2143
                        $version = curl_version();
2144
                        $info .= '      Version ' . $version['version'] . "\n";
2145
                        break;
2146
                    case 'mbstring':
2147
                        $info .= '      Overloading: ' . mb_get_info('func_overload') . "\n";
2148
                        break;
2149
                    case 'iconv':
2150
                        $info .= '      Version ' . ICONV_VERSION . "\n";
2151
                        break;
2152
                    case 'xml':
2153
                        $info .= '      Version ' . LIBXML_DOTTED_VERSION . "\n";
2154
                        break;
2155
                }
2156
            } else {
2157
                $info .= "    $ext not loaded\n";
2158
            }
2159
        }
2160
        return $info;
2161
    }
2162
 
2163
    public static function silence_errors($num, $str)
2164
    {
2165
        // No-op
2166
    }
2167
 
2168
    /**
2169
     * Sanitize a URL by removing HTTP credentials.
2170
     * @param string $url the URL to sanitize.
2171
     * @return string the same URL without HTTP credentials.
2172
     */
2173
    public static function url_remove_credentials($url)
2174
    {
2175
        return preg_replace('#^(https?://)[^/:@]+:[^/:@]+@#i', '$1', $url);
2176
    }
2177
}
2178
 
2179
class_alias('SimplePie\Misc', 'SimplePie_Misc', false);