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  1: <?php
  2: /**
  3:  * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
  4:  * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
  5:  *
  6:  * Licensed under The MIT License
  7:  * For full copyright and license information, please see the LICENSE.txt
  8:  * Redistributions of files must retain the above copyright notice.
  9:  *
 10:  * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 11:  * @link          http://cakephp.org CakePHP(tm) Project
 12:  * @package       Cake.Utility
 13:  * @since         CakePHP(tm) v 0.2.9
 14:  * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 15:  */
 16: 
 17: /**
 18:  * Pluralize and singularize English words.
 19:  *
 20:  * Inflector pluralizes and singularizes English nouns.
 21:  * Used by CakePHP's naming conventions throughout the framework.
 22:  *
 23:  * @package       Cake.Utility
 24:  * @link          http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html
 25:  */
 26: class Inflector {
 27: 
 28: /**
 29:  * Plural inflector rules
 30:  *
 31:  * @var array
 32:  */
 33:     protected static $_plural = array(
 34:         'rules' => array(
 35:             '/(s)tatus$/i' => '\1tatuses',
 36:             '/(quiz)$/i' => '\1zes',
 37:             '/^(ox)$/i' => '\1\2en',
 38:             '/([m|l])ouse$/i' => '\1ice',
 39:             '/(matr|vert|ind)(ix|ex)$/i' => '\1ices',
 40:             '/(x|ch|ss|sh)$/i' => '\1es',
 41:             '/([^aeiouy]|qu)y$/i' => '\1ies',
 42:             '/(hive)$/i' => '\1s',
 43:             '/(?:([^f])fe|([lre])f)$/i' => '\1\2ves',
 44:             '/sis$/i' => 'ses',
 45:             '/([ti])um$/i' => '\1a',
 46:             '/(p)erson$/i' => '\1eople',
 47:             '/(?<!u)(m)an$/i' => '\1en',
 48:             '/(c)hild$/i' => '\1hildren',
 49:             '/(buffal|tomat)o$/i' => '\1\2oes',
 50:             '/(alumn|bacill|cact|foc|fung|nucle|radi|stimul|syllab|termin|vir)us$/i' => '\1i',
 51:             '/us$/i' => 'uses',
 52:             '/(alias)$/i' => '\1es',
 53:             '/(ax|cris|test)is$/i' => '\1es',
 54:             '/s$/' => 's',
 55:             '/^$/' => '',
 56:             '/$/' => 's',
 57:         ),
 58:         'uninflected' => array(
 59:             '.*[nrlm]ese',
 60:             '.*data',
 61:             '.*deer',
 62:             '.*fish',
 63:             '.*measles',
 64:             '.*ois',
 65:             '.*pox',
 66:             '.*sheep',
 67:             'people',
 68:             'feedback',
 69:             'stadia'
 70:         ),
 71:         'irregular' => array(
 72:             'atlas' => 'atlases',
 73:             'beef' => 'beefs',
 74:             'brief' => 'briefs',
 75:             'brother' => 'brothers',
 76:             'cafe' => 'cafes',
 77:             'child' => 'children',
 78:             'cookie' => 'cookies',
 79:             'corpus' => 'corpuses',
 80:             'cow' => 'cows',
 81:             'criterion' => 'criteria',
 82:             'ganglion' => 'ganglions',
 83:             'genie' => 'genies',
 84:             'genus' => 'genera',
 85:             'graffito' => 'graffiti',
 86:             'hoof' => 'hoofs',
 87:             'loaf' => 'loaves',
 88:             'man' => 'men',
 89:             'money' => 'monies',
 90:             'mongoose' => 'mongooses',
 91:             'move' => 'moves',
 92:             'mythos' => 'mythoi',
 93:             'niche' => 'niches',
 94:             'numen' => 'numina',
 95:             'occiput' => 'occiputs',
 96:             'octopus' => 'octopuses',
 97:             'opus' => 'opuses',
 98:             'ox' => 'oxen',
 99:             'penis' => 'penises',
100:             'person' => 'people',
101:             'sex' => 'sexes',
102:             'soliloquy' => 'soliloquies',
103:             'testis' => 'testes',
104:             'trilby' => 'trilbys',
105:             'turf' => 'turfs',
106:             'potato' => 'potatoes',
107:             'hero' => 'heroes',
108:             'tooth' => 'teeth',
109:             'goose' => 'geese',
110:             'foot' => 'feet',
111:             'sieve' => 'sieves'
112:         )
113:     );
114: 
115: /**
116:  * Singular inflector rules
117:  *
118:  * @var array
119:  */
120:     protected static $_singular = array(
121:         'rules' => array(
122:             '/(s)tatuses$/i' => '\1\2tatus',
123:             '/^(.*)(menu)s$/i' => '\1\2',
124:             '/(quiz)zes$/i' => '\\1',
125:             '/(matr)ices$/i' => '\1ix',
126:             '/(vert|ind)ices$/i' => '\1ex',
127:             '/^(ox)en/i' => '\1',
128:             '/(alias)(es)*$/i' => '\1',
129:             '/(alumn|bacill|cact|foc|fung|nucle|radi|stimul|syllab|termin|viri?)i$/i' => '\1us',
130:             '/([ftw]ax)es/i' => '\1',
131:             '/(cris|ax|test)es$/i' => '\1is',
132:             '/(shoe)s$/i' => '\1',
133:             '/(o)es$/i' => '\1',
134:             '/ouses$/' => 'ouse',
135:             '/([^a])uses$/' => '\1us',
136:             '/([m|l])ice$/i' => '\1ouse',
137:             '/(x|ch|ss|sh)es$/i' => '\1',
138:             '/(m)ovies$/i' => '\1\2ovie',
139:             '/(s)eries$/i' => '\1\2eries',
140:             '/([^aeiouy]|qu)ies$/i' => '\1y',
141:             '/(tive)s$/i' => '\1',
142:             '/(hive)s$/i' => '\1',
143:             '/(drive)s$/i' => '\1',
144:             '/([le])ves$/i' => '\1f',
145:             '/([^rfoa])ves$/i' => '\1fe',
146:             '/(^analy)ses$/i' => '\1sis',
147:             '/(analy|diagno|^ba|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i' => '\1\2sis',
148:             '/([ti])a$/i' => '\1um',
149:             '/(p)eople$/i' => '\1\2erson',
150:             '/(m)en$/i' => '\1an',
151:             '/(c)hildren$/i' => '\1\2hild',
152:             '/(n)ews$/i' => '\1\2ews',
153:             '/eaus$/' => 'eau',
154:             '/^(.*us)$/' => '\\1',
155:             '/s$/i' => ''
156:         ),
157:         'uninflected' => array(
158:             '.*data',
159:             '.*[nrlm]ese', '.*deer', '.*fish', '.*measles', '.*ois', '.*pox', '.*sheep', '.*ss', 'feedback'
160:         ),
161:         'irregular' => array(
162:             'foes' => 'foe',
163:         )
164:     );
165: 
166: /**
167:  * Words that should not be inflected
168:  *
169:  * @var array
170:  */
171:     protected static $_uninflected = array(
172:         'Amoyese', 'bison', 'Borghese', 'bream', 'breeches', 'britches', 'buffalo', 'cantus',
173:         'carp', 'chassis', 'clippers', 'cod', 'coitus', 'Congoese', 'contretemps', 'corps',
174:         'debris', 'diabetes', 'djinn', 'eland', 'elk', 'equipment', 'Faroese', 'flounder',
175:         'Foochowese', 'gallows', 'Genevese', 'Genoese', 'Gilbertese', 'graffiti',
176:         'headquarters', 'herpes', 'hijinks', 'Hottentotese', 'information', 'innings',
177:         'jackanapes', 'Kiplingese', 'Kongoese', 'Lucchese', 'mackerel', 'Maltese', '.*?media',
178:         'mews', 'moose', 'mumps', 'Nankingese', 'news', 'nexus', 'Niasese',
179:         'Pekingese', 'Piedmontese', 'pincers', 'Pistoiese', 'pliers', 'Portuguese',
180:         'proceedings', 'rabies', 'research', 'rice', 'rhinoceros', 'salmon', 'Sarawakese', 'scissors',
181:         'sea[- ]bass', 'series', 'Shavese', 'shears', 'siemens', 'species', 'swine', 'testes',
182:         'trousers', 'trout', 'tuna', 'Vermontese', 'Wenchowese', 'whiting', 'wildebeest',
183:         'Yengeese'
184:     );
185: 
186: /**
187:  * Default map of accented and special characters to ASCII characters
188:  *
189:  * @var array
190:  */
191:     protected static $_transliteration = array(
192:         '/À|Á|Â|Ã|Å|Ǻ|Ā|Ă|Ą|Ǎ/' => 'A',
193:         '/Æ|Ǽ/' => 'AE',
194:         '/Ä/' => 'Ae',
195:         '/Ç|Ć|Ĉ|Ċ|Č/' => 'C',
196:         '/Ð|Ď|Đ/' => 'D',
197:         '/È|É|Ê|Ë|Ē|Ĕ|Ė|Ę|Ě/' => 'E',
198:         '/Ĝ|Ğ|Ġ|Ģ|Ґ/' => 'G',
199:         '/Ĥ|Ħ/' => 'H',
200:         '/Ì|Í|Î|Ï|Ĩ|Ī|Ĭ|Ǐ|Į|İ|І/' => 'I',
201:         '/IJ/' => 'IJ',
202:         '/Ĵ/' => 'J',
203:         '/Ķ/' => 'K',
204:         '/Ĺ|Ļ|Ľ|Ŀ|Ł/' => 'L',
205:         '/Ñ|Ń|Ņ|Ň/' => 'N',
206:         '/Ò|Ó|Ô|Õ|Ō|Ŏ|Ǒ|Ő|Ơ|Ø|Ǿ/' => 'O',
207:         '/Œ/' => 'OE',
208:         '/Ö/' => 'Oe',
209:         '/Ŕ|Ŗ|Ř/' => 'R',
210:         '/Ś|Ŝ|Ş|Ș|Š/' => 'S',
211:         '/ẞ/' => 'SS',
212:         '/Ţ|Ț|Ť|Ŧ/' => 'T',
213:         '/Þ/' => 'TH',
214:         '/Ù|Ú|Û|Ũ|Ū|Ŭ|Ů|Ű|Ų|Ư|Ǔ|Ǖ|Ǘ|Ǚ|Ǜ/' => 'U',
215:         '/Ü/' => 'Ue',
216:         '/Ŵ/' => 'W',
217:         '/Ý|Ÿ|Ŷ/' => 'Y',
218:         '/Є/' => 'Ye',
219:         '/Ї/' => 'Yi',
220:         '/Ź|Ż|Ž/' => 'Z',
221:         '/à|á|â|ã|å|ǻ|ā|ă|ą|ǎ|ª/' => 'a',
222:         '/ä|æ|ǽ/' => 'ae',
223:         '/ç|ć|ĉ|ċ|č/' => 'c',
224:         '/ð|ď|đ/' => 'd',
225:         '/è|é|ê|ë|ē|ĕ|ė|ę|ě/' => 'e',
226:         '/ƒ/' => 'f',
227:         '/ĝ|ğ|ġ|ģ|ґ/' => 'g',
228:         '/ĥ|ħ/' => 'h',
229:         '/ì|í|î|ï|ĩ|ī|ĭ|ǐ|į|ı|і/' => 'i',
230:         '/ij/' => 'ij',
231:         '/ĵ/' => 'j',
232:         '/ķ/' => 'k',
233:         '/ĺ|ļ|ľ|ŀ|ł/' => 'l',
234:         '/ñ|ń|ņ|ň|ʼn/' => 'n',
235:         '/ò|ó|ô|õ|ō|ŏ|ǒ|ő|ơ|ø|ǿ|º/' => 'o',
236:         '/ö|œ/' => 'oe',
237:         '/ŕ|ŗ|ř/' => 'r',
238:         '/ś|ŝ|ş|ș|š|ſ/' => 's',
239:         '/ß/' => 'ss',
240:         '/ţ|ț|ť|ŧ/' => 't',
241:         '/þ/' => 'th',
242:         '/ù|ú|û|ũ|ū|ŭ|ů|ű|ų|ư|ǔ|ǖ|ǘ|ǚ|ǜ/' => 'u',
243:         '/ü/' => 'ue',
244:         '/ŵ/' => 'w',
245:         '/ý|ÿ|ŷ/' => 'y',
246:         '/є/' => 'ye',
247:         '/ї/' => 'yi',
248:         '/ź|ż|ž/' => 'z',
249:     );
250: 
251: /**
252:  * Method cache array.
253:  *
254:  * @var array
255:  */
256:     protected static $_cache = array();
257: 
258: /**
259:  * The initial state of Inflector so reset() works.
260:  *
261:  * @var array
262:  */
263:     protected static $_initialState = array();
264: 
265: /**
266:  * Cache inflected values, and return if already available
267:  *
268:  * @param string $type Inflection type
269:  * @param string $key Original value
270:  * @param string $value Inflected value
271:  * @return string Inflected value, from cache
272:  */
273:     protected static function _cache($type, $key, $value = false) {
274:         $key = '_' . $key;
275:         $type = '_' . $type;
276:         if ($value !== false) {
277:             self::$_cache[$type][$key] = $value;
278:             return $value;
279:         }
280:         if (!isset(self::$_cache[$type][$key])) {
281:             return false;
282:         }
283:         return self::$_cache[$type][$key];
284:     }
285: 
286: /**
287:  * Clears Inflectors inflected value caches. And resets the inflection
288:  * rules to the initial values.
289:  *
290:  * @return void
291:  */
292:     public static function reset() {
293:         if (empty(self::$_initialState)) {
294:             self::$_initialState = get_class_vars('Inflector');
295:             return;
296:         }
297:         foreach (self::$_initialState as $key => $val) {
298:             if ($key !== '_initialState') {
299:                 self::${$key} = $val;
300:             }
301:         }
302:     }
303: 
304: /**
305:  * Adds custom inflection $rules, of either 'plural', 'singular' or 'transliteration' $type.
306:  *
307:  * ### Usage:
308:  *
309:  * ```
310:  * Inflector::rules('plural', array('/^(inflect)or$/i' => '\1ables'));
311:  * Inflector::rules('plural', array(
312:  *     'rules' => array('/^(inflect)ors$/i' => '\1ables'),
313:  *     'uninflected' => array('dontinflectme'),
314:  *     'irregular' => array('red' => 'redlings')
315:  * ));
316:  * Inflector::rules('transliteration', array('/å/' => 'aa'));
317:  * ```
318:  *
319:  * @param string $type The type of inflection, either 'plural', 'singular' or 'transliteration'
320:  * @param array $rules Array of rules to be added.
321:  * @param bool $reset If true, will unset default inflections for all
322:  *        new rules that are being defined in $rules.
323:  * @return void
324:  */
325:     public static function rules($type, $rules, $reset = false) {
326:         $var = '_' . $type;
327: 
328:         switch ($type) {
329:             case 'transliteration':
330:                 if ($reset) {
331:                     self::$_transliteration = $rules;
332:                 } else {
333:                     self::$_transliteration = $rules + self::$_transliteration;
334:                 }
335:                 break;
336: 
337:             default:
338:                 foreach ($rules as $rule => $pattern) {
339:                     if (is_array($pattern)) {
340:                         if ($reset) {
341:                             self::${$var}[$rule] = $pattern;
342:                         } else {
343:                             if ($rule === 'uninflected') {
344:                                 self::${$var}[$rule] = array_merge($pattern, self::${$var}[$rule]);
345:                             } else {
346:                                 self::${$var}[$rule] = $pattern + self::${$var}[$rule];
347:                             }
348:                         }
349:                         unset($rules[$rule], self::${$var}['cache' . ucfirst($rule)]);
350:                         if (isset(self::${$var}['merged'][$rule])) {
351:                             unset(self::${$var}['merged'][$rule]);
352:                         }
353:                         if ($type === 'plural') {
354:                             self::$_cache['pluralize'] = self::$_cache['tableize'] = array();
355:                         } elseif ($type === 'singular') {
356:                             self::$_cache['singularize'] = array();
357:                         }
358:                     }
359:                 }
360:                 self::${$var}['rules'] = $rules + self::${$var}['rules'];
361:         }
362:     }
363: 
364: /**
365:  * Return $word in plural form.
366:  *
367:  * @param string $word Word in singular
368:  * @return string Word in plural
369:  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::pluralize
370:  */
371:     public static function pluralize($word) {
372:         if (isset(self::$_cache['pluralize'][$word])) {
373:             return self::$_cache['pluralize'][$word];
374:         }
375: 
376:         if (!isset(self::$_plural['merged']['irregular'])) {
377:             self::$_plural['merged']['irregular'] = self::$_plural['irregular'];
378:         }
379: 
380:         if (!isset(self::$_plural['merged']['uninflected'])) {
381:             self::$_plural['merged']['uninflected'] = array_merge(self::$_plural['uninflected'], self::$_uninflected);
382:         }
383: 
384:         if (!isset(self::$_plural['cacheUninflected']) || !isset(self::$_plural['cacheIrregular'])) {
385:             self::$_plural['cacheUninflected'] = '(?:' . implode('|', self::$_plural['merged']['uninflected']) . ')';
386:             self::$_plural['cacheIrregular'] = '(?:' . implode('|', array_keys(self::$_plural['merged']['irregular'])) . ')';
387:         }
388: 
389:         if (preg_match('/(.*?(?:\\b|_))(' . self::$_plural['cacheIrregular'] . ')$/i', $word, $regs)) {
390:             self::$_cache['pluralize'][$word] = $regs[1] .
391:                 substr($regs[2], 0, 1) .
392:                 substr(self::$_plural['merged']['irregular'][strtolower($regs[2])], 1);
393:             return self::$_cache['pluralize'][$word];
394:         }
395: 
396:         if (preg_match('/^(' . self::$_plural['cacheUninflected'] . ')$/i', $word, $regs)) {
397:             self::$_cache['pluralize'][$word] = $word;
398:             return $word;
399:         }
400: 
401:         foreach (self::$_plural['rules'] as $rule => $replacement) {
402:             if (preg_match($rule, $word)) {
403:                 self::$_cache['pluralize'][$word] = preg_replace($rule, $replacement, $word);
404:                 return self::$_cache['pluralize'][$word];
405:             }
406:         }
407:     }
408: 
409: /**
410:  * Return $word in singular form.
411:  *
412:  * @param string $word Word in plural
413:  * @return string Word in singular
414:  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::singularize
415:  */
416:     public static function singularize($word) {
417:         if (isset(self::$_cache['singularize'][$word])) {
418:             return self::$_cache['singularize'][$word];
419:         }
420: 
421:         if (!isset(self::$_singular['merged']['uninflected'])) {
422:             self::$_singular['merged']['uninflected'] = array_merge(
423:                 self::$_singular['uninflected'],
424:                 self::$_uninflected
425:             );
426:         }
427: 
428:         if (!isset(self::$_singular['merged']['irregular'])) {
429:             self::$_singular['merged']['irregular'] = array_merge(
430:                 self::$_singular['irregular'],
431:                 array_flip(self::$_plural['irregular'])
432:             );
433:         }
434: 
435:         if (!isset(self::$_singular['cacheUninflected']) || !isset(self::$_singular['cacheIrregular'])) {
436:             self::$_singular['cacheUninflected'] = '(?:' . implode('|', self::$_singular['merged']['uninflected']) . ')';
437:             self::$_singular['cacheIrregular'] = '(?:' . implode('|', array_keys(self::$_singular['merged']['irregular'])) . ')';
438:         }
439: 
440:         if (preg_match('/(.*?(?:\\b|_))(' . self::$_singular['cacheIrregular'] . ')$/i', $word, $regs)) {
441:             self::$_cache['singularize'][$word] = $regs[1] .
442:                 substr($regs[2], 0, 1) .
443:                 substr(self::$_singular['merged']['irregular'][strtolower($regs[2])], 1);
444:             return self::$_cache['singularize'][$word];
445:         }
446: 
447:         if (preg_match('/^(' . self::$_singular['cacheUninflected'] . ')$/i', $word, $regs)) {
448:             self::$_cache['singularize'][$word] = $word;
449:             return $word;
450:         }
451: 
452:         foreach (self::$_singular['rules'] as $rule => $replacement) {
453:             if (preg_match($rule, $word)) {
454:                 self::$_cache['singularize'][$word] = preg_replace($rule, $replacement, $word);
455:                 return self::$_cache['singularize'][$word];
456:             }
457:         }
458:         self::$_cache['singularize'][$word] = $word;
459:         return $word;
460:     }
461: 
462: /**
463:  * Returns the given lower_case_and_underscored_word as a CamelCased word.
464:  *
465:  * @param string $lowerCaseAndUnderscoredWord Word to camelize
466:  * @return string Camelized word. LikeThis.
467:  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::camelize
468:  */
469:     public static function camelize($lowerCaseAndUnderscoredWord) {
470:         if (!($result = self::_cache(__FUNCTION__, $lowerCaseAndUnderscoredWord))) {
471:             $result = str_replace(' ', '', Inflector::humanize($lowerCaseAndUnderscoredWord));
472:             self::_cache(__FUNCTION__, $lowerCaseAndUnderscoredWord, $result);
473:         }
474:         return $result;
475:     }
476: 
477: /**
478:  * Returns the given camelCasedWord as an underscored_word.
479:  *
480:  * @param string $camelCasedWord Camel-cased word to be "underscorized"
481:  * @return string Underscore-syntaxed version of the $camelCasedWord
482:  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::underscore
483:  */
484:     public static function underscore($camelCasedWord) {
485:         if (!($result = self::_cache(__FUNCTION__, $camelCasedWord))) {
486:             $underscoredWord = preg_replace('/(?<=\\w)([A-Z])/', '_\\1', $camelCasedWord);
487:             $result = mb_strtolower($underscoredWord);
488:             self::_cache(__FUNCTION__, $camelCasedWord, $result);
489:         }
490:         return $result;
491:     }
492: 
493: /**
494:  * Returns the given underscored_word_group as a Human Readable Word Group.
495:  * (Underscores are replaced by spaces and capitalized following words.)
496:  *
497:  * @param string $lowerCaseAndUnderscoredWord String to be made more readable
498:  * @return string Human-readable string
499:  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::humanize
500:  */
501:     public static function humanize($lowerCaseAndUnderscoredWord) {
502:         if (!($result = self::_cache(__FUNCTION__, $lowerCaseAndUnderscoredWord))) {
503:             $result = explode(' ', str_replace('_', ' ', $lowerCaseAndUnderscoredWord));
504:             foreach ($result as &$word) {
505:                 $word = mb_strtoupper(mb_substr($word, 0, 1)) . mb_substr($word, 1);
506:             }
507:             $result = implode(' ', $result);
508:             self::_cache(__FUNCTION__, $lowerCaseAndUnderscoredWord, $result);
509:         }
510:         return $result;
511:     }
512: 
513: /**
514:  * Returns corresponding table name for given model $className. ("people" for the model class "Person").
515:  *
516:  * @param string $className Name of class to get database table name for
517:  * @return string Name of the database table for given class
518:  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::tableize
519:  */
520:     public static function tableize($className) {
521:         if (!($result = self::_cache(__FUNCTION__, $className))) {
522:             $result = Inflector::pluralize(Inflector::underscore($className));
523:             self::_cache(__FUNCTION__, $className, $result);
524:         }
525:         return $result;
526:     }
527: 
528: /**
529:  * Returns Cake model class name ("Person" for the database table "people".) for given database table.
530:  *
531:  * @param string $tableName Name of database table to get class name for
532:  * @return string Class name
533:  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::classify
534:  */
535:     public static function classify($tableName) {
536:         if (!($result = self::_cache(__FUNCTION__, $tableName))) {
537:             $result = Inflector::camelize(Inflector::singularize($tableName));
538:             self::_cache(__FUNCTION__, $tableName, $result);
539:         }
540:         return $result;
541:     }
542: 
543: /**
544:  * Returns camelBacked version of an underscored string.
545:  *
546:  * @param string $string String to convert.
547:  * @return string in variable form
548:  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::variable
549:  */
550:     public static function variable($string) {
551:         if (!($result = self::_cache(__FUNCTION__, $string))) {
552:             $camelized = Inflector::camelize(Inflector::underscore($string));
553:             $replace = strtolower(substr($camelized, 0, 1));
554:             $result = preg_replace('/\\w/', $replace, $camelized, 1);
555:             self::_cache(__FUNCTION__, $string, $result);
556:         }
557:         return $result;
558:     }
559: 
560: /**
561:  * Returns a string with all spaces converted to underscores (by default), accented
562:  * characters converted to non-accented characters, and non word characters removed.
563:  *
564:  * @param string $string the string you want to slug
565:  * @param string $replacement will replace keys in map
566:  * @return string
567:  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/inflector.html#Inflector::slug
568:  */
569:     public static function slug($string, $replacement = '_') {
570:         $quotedReplacement = preg_quote($replacement, '/');
571: 
572:         $merge = array(
573:             '/[^\s\p{Zs}\p{Ll}\p{Lm}\p{Lo}\p{Lt}\p{Lu}\p{Nd}]/mu' => ' ',
574:             '/[\s\p{Zs}]+/mu' => $replacement,
575:             sprintf('/^[%s]+|[%s]+$/', $quotedReplacement, $quotedReplacement) => '',
576:         );
577: 
578:         $map = self::$_transliteration + $merge;
579:         return preg_replace(array_keys($map), array_values($map), $string);
580:     }
581: 
582: }
583: 
584: // Store the initial state
585: Inflector::reset();
586: 
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