1: <?php
2: /**
3: * Basic Cake functionality.
4: *
5: * Core functions for including other source files, loading models and so forth.
6: *
7: * PHP 5
8: *
9: * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
10: * Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
11: *
12: * Licensed under The MIT License
13: * Redistributions of files must retain the above copyright notice.
14: *
15: * @copyright Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
16: * @link http://cakephp.org CakePHP(tm) Project
17: * @package Cake
18: * @since CakePHP(tm) v 0.2.9
19: * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
20: */
21:
22: /**
23: * Basic defines for timing functions.
24: */
25: define('SECOND', 1);
26: define('MINUTE', 60);
27: define('HOUR', 3600);
28: define('DAY', 86400);
29: define('WEEK', 604800);
30: define('MONTH', 2592000);
31: define('YEAR', 31536000);
32:
33: /**
34: * Loads configuration files. Receives a set of configuration files
35: * to load.
36: * Example:
37: *
38: * `config('config1', 'config2');`
39: *
40: * @return boolean Success
41: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#config
42: */
43: function config() {
44: $args = func_get_args();
45: foreach ($args as $arg) {
46: if (file_exists(APP . 'Config' . DS . $arg . '.php')) {
47: include_once APP . 'Config' . DS . $arg . '.php';
48:
49: if (count($args) == 1) {
50: return true;
51: }
52: } else {
53: if (count($args) == 1) {
54: return false;
55: }
56: }
57: }
58: return true;
59: }
60:
61: /**
62: * Prints out debug information about given variable.
63: *
64: * Only runs if debug level is greater than zero.
65: *
66: * @param boolean $var Variable to show debug information for.
67: * @param boolean $showHtml If set to true, the method prints the debug data in a browser-friendly way.
68: * @param boolean $showFrom If set to true, the method prints from where the function was called.
69: * @link http://book.cakephp.org/2.0/en/development/debugging.html#basic-debugging
70: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#debug
71: */
72: function debug($var = false, $showHtml = null, $showFrom = true) {
73: if (Configure::read('debug') > 0) {
74: App::uses('Debugger', 'Utility');
75: $file = '';
76: $line = '';
77: $lineInfo = '';
78: if ($showFrom) {
79: $trace = Debugger::trace(array('start' => 1, 'depth' => 2, 'format' => 'array'));
80: $file = str_replace(array(CAKE_CORE_INCLUDE_PATH, ROOT), '', $trace[0]['file']);
81: $line = $trace[0]['line'];
82: }
83: $html = <<<HTML
84: <div class="cake-debug-output">
85: %s
86: <pre class="cake-debug">
87: %s
88: </pre>
89: </div>
90: HTML;
91: $text = <<<TEXT
92: %s
93: ########## DEBUG ##########
94: %s
95: ###########################
96: TEXT;
97: $template = $html;
98: if (php_sapi_name() == 'cli' || $showHtml === false) {
99: $template = $text;
100: if ($showFrom) {
101: $lineInfo = sprintf('%s (line %s)', $file, $line);
102: }
103: }
104: if ($showHtml === null && $template !== $text) {
105: $showHtml = true;
106: }
107: $var = Debugger::exportVar($var, 25);
108: if ($showHtml) {
109: $template = $html;
110: $var = h($var);
111: if ($showFrom) {
112: $lineInfo = sprintf('<span><strong>%s</strong> (line <strong>%s</strong>)</span>', $file, $line);
113: }
114: }
115: printf($template, $lineInfo, $var);
116: }
117: }
118:
119: if (!function_exists('sortByKey')) {
120:
121: /**
122: * Sorts given $array by key $sortby.
123: *
124: * @param array $array Array to sort
125: * @param string $sortby Sort by this key
126: * @param string $order Sort order asc/desc (ascending or descending).
127: * @param integer $type Type of sorting to perform
128: * @return mixed Sorted array
129: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#sortByKey
130: */
131: function sortByKey(&$array, $sortby, $order = 'asc', $type = SORT_NUMERIC) {
132: if (!is_array($array)) {
133: return null;
134: }
135:
136: foreach ($array as $key => $val) {
137: $sa[$key] = $val[$sortby];
138: }
139:
140: if ($order == 'asc') {
141: asort($sa, $type);
142: } else {
143: arsort($sa, $type);
144: }
145:
146: foreach ($sa as $key => $val) {
147: $out[] = $array[$key];
148: }
149: return $out;
150: }
151:
152: }
153:
154: /**
155: * Convenience method for htmlspecialchars.
156: *
157: * @param string|array|object $text Text to wrap through htmlspecialchars. Also works with arrays, and objects.
158: * Arrays will be mapped and have all their elements escaped. Objects will be string cast if they
159: * implement a `__toString` method. Otherwise the class name will be used.
160: * @param boolean $double Encode existing html entities
161: * @param string $charset Character set to use when escaping. Defaults to config value in 'App.encoding' or 'UTF-8'
162: * @return string Wrapped text
163: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#h
164: */
165: function h($text, $double = true, $charset = null) {
166: if (is_array($text)) {
167: $texts = array();
168: foreach ($text as $k => $t) {
169: $texts[$k] = h($t, $double, $charset);
170: }
171: return $texts;
172: } elseif (is_object($text)) {
173: if (method_exists($text, '__toString')) {
174: $text = (string)$text;
175: } else {
176: $text = '(object)' . get_class($text);
177: }
178: } elseif (is_bool($text)) {
179: return $text;
180: }
181:
182: static $defaultCharset = false;
183: if ($defaultCharset === false) {
184: $defaultCharset = Configure::read('App.encoding');
185: if ($defaultCharset === null) {
186: $defaultCharset = 'UTF-8';
187: }
188: }
189: if (is_string($double)) {
190: $charset = $double;
191: }
192: return htmlspecialchars($text, ENT_QUOTES, ($charset) ? $charset : $defaultCharset, $double);
193: }
194:
195: /**
196: * Splits a dot syntax plugin name into its plugin and classname.
197: * If $name does not have a dot, then index 0 will be null.
198: *
199: * Commonly used like `list($plugin, $name) = pluginSplit($name);`
200: *
201: * @param string $name The name you want to plugin split.
202: * @param boolean $dotAppend Set to true if you want the plugin to have a '.' appended to it.
203: * @param string $plugin Optional default plugin to use if no plugin is found. Defaults to null.
204: * @return array Array with 2 indexes. 0 => plugin name, 1 => classname
205: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#pluginSplit
206: */
207: function pluginSplit($name, $dotAppend = false, $plugin = null) {
208: if (strpos($name, '.') !== false) {
209: $parts = explode('.', $name, 2);
210: if ($dotAppend) {
211: $parts[0] .= '.';
212: }
213: return $parts;
214: }
215: return array($plugin, $name);
216: }
217:
218: /**
219: * Print_r convenience function, which prints out <PRE> tags around
220: * the output of given array. Similar to debug().
221: *
222: * @see debug()
223: * @param array $var Variable to print out
224: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#pr
225: */
226: function pr($var) {
227: if (Configure::read('debug') > 0) {
228: echo '<pre>';
229: print_r($var);
230: echo '</pre>';
231: }
232: }
233:
234: /**
235: * Merge a group of arrays
236: *
237: * @param array First array
238: * @param array Second array
239: * @param array Third array
240: * @param array Etc...
241: * @return array All array parameters merged into one
242: * @link http://book.cakephp.org/2.0/en/development/debugging.html#am
243: */
244: function am() {
245: $r = array();
246: $args = func_get_args();
247: foreach ($args as $a) {
248: if (!is_array($a)) {
249: $a = array($a);
250: }
251: $r = array_merge($r, $a);
252: }
253: return $r;
254: }
255:
256: /**
257: * Gets an environment variable from available sources, and provides emulation
258: * for unsupported or inconsistent environment variables (i.e. DOCUMENT_ROOT on
259: * IIS, or SCRIPT_NAME in CGI mode). Also exposes some additional custom
260: * environment information.
261: *
262: * @param string $key Environment variable name.
263: * @return string Environment variable setting.
264: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#env
265: */
266: function env($key) {
267: if ($key === 'HTTPS') {
268: if (isset($_SERVER['HTTPS'])) {
269: return (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off');
270: }
271: return (strpos(env('SCRIPT_URI'), 'https://') === 0);
272: }
273:
274: if ($key === 'SCRIPT_NAME') {
275: if (env('CGI_MODE') && isset($_ENV['SCRIPT_URL'])) {
276: $key = 'SCRIPT_URL';
277: }
278: }
279:
280: $val = null;
281: if (isset($_SERVER[$key])) {
282: $val = $_SERVER[$key];
283: } elseif (isset($_ENV[$key])) {
284: $val = $_ENV[$key];
285: } elseif (getenv($key) !== false) {
286: $val = getenv($key);
287: }
288:
289: if ($key === 'REMOTE_ADDR' && $val === env('SERVER_ADDR')) {
290: $addr = env('HTTP_PC_REMOTE_ADDR');
291: if ($addr !== null) {
292: $val = $addr;
293: }
294: }
295:
296: if ($val !== null) {
297: return $val;
298: }
299:
300: switch ($key) {
301: case 'SCRIPT_FILENAME':
302: if (defined('SERVER_IIS') && SERVER_IIS === true) {
303: return str_replace('\\\\', '\\', env('PATH_TRANSLATED'));
304: }
305: break;
306: case 'DOCUMENT_ROOT':
307: $name = env('SCRIPT_NAME');
308: $filename = env('SCRIPT_FILENAME');
309: $offset = 0;
310: if (!strpos($name, '.php')) {
311: $offset = 4;
312: }
313: return substr($filename, 0, -(strlen($name) + $offset));
314: case 'PHP_SELF':
315: return str_replace(env('DOCUMENT_ROOT'), '', env('SCRIPT_FILENAME'));
316: case 'CGI_MODE':
317: return (PHP_SAPI === 'cgi');
318: case 'HTTP_BASE':
319: $host = env('HTTP_HOST');
320: $parts = explode('.', $host);
321: $count = count($parts);
322:
323: if ($count === 1) {
324: return '.' . $host;
325: } elseif ($count === 2) {
326: return '.' . $host;
327: } elseif ($count === 3) {
328: $gTLD = array(
329: 'aero',
330: 'asia',
331: 'biz',
332: 'cat',
333: 'com',
334: 'coop',
335: 'edu',
336: 'gov',
337: 'info',
338: 'int',
339: 'jobs',
340: 'mil',
341: 'mobi',
342: 'museum',
343: 'name',
344: 'net',
345: 'org',
346: 'pro',
347: 'tel',
348: 'travel',
349: 'xxx'
350: );
351: if (in_array($parts[1], $gTLD)) {
352: return '.' . $host;
353: }
354: }
355: array_shift($parts);
356: return '.' . implode('.', $parts);
357: }
358: return null;
359: }
360:
361: /**
362: * Reads/writes temporary data to cache files or session.
363: *
364: * @param string $path File path within /tmp to save the file.
365: * @param mixed $data The data to save to the temporary file.
366: * @param mixed $expires A valid strtotime string when the data expires.
367: * @param string $target The target of the cached data; either 'cache' or 'public'.
368: * @return mixed The contents of the temporary file.
369: * @deprecated Please use Cache::write() instead
370: */
371: function cache($path, $data = null, $expires = '+1 day', $target = 'cache') {
372: if (Configure::read('Cache.disable')) {
373: return null;
374: }
375: $now = time();
376:
377: if (!is_numeric($expires)) {
378: $expires = strtotime($expires, $now);
379: }
380:
381: switch (strtolower($target)) {
382: case 'cache':
383: $filename = CACHE . $path;
384: break;
385: case 'public':
386: $filename = WWW_ROOT . $path;
387: break;
388: case 'tmp':
389: $filename = TMP . $path;
390: break;
391: }
392: $timediff = $expires - $now;
393: $filetime = false;
394:
395: if (file_exists($filename)) {
396: //@codingStandardsIgnoreStart
397: $filetime = @filemtime($filename);
398: //@codingStandardsIgnoreEnd
399: }
400:
401: if ($data === null) {
402: if (file_exists($filename) && $filetime !== false) {
403: if ($filetime + $timediff < $now) {
404: //@codingStandardsIgnoreStart
405: @unlink($filename);
406: //@codingStandardsIgnoreEnd
407: } else {
408: //@codingStandardsIgnoreStart
409: $data = @file_get_contents($filename);
410: //@codingStandardsIgnoreEnd
411: }
412: }
413: } elseif (is_writable(dirname($filename))) {
414: //@codingStandardsIgnoreStart
415: @file_put_contents($filename, $data, LOCK_EX);
416: //@codingStandardsIgnoreEnd
417: }
418: return $data;
419: }
420:
421: /**
422: * Used to delete files in the cache directories, or clear contents of cache directories
423: *
424: * @param string|array $params As String name to be searched for deletion, if name is a directory all files in
425: * directory will be deleted. If array, names to be searched for deletion. If clearCache() without params,
426: * all files in app/tmp/cache/views will be deleted
427: * @param string $type Directory in tmp/cache defaults to view directory
428: * @param string $ext The file extension you are deleting
429: * @return true if files found and deleted false otherwise
430: */
431: function clearCache($params = null, $type = 'views', $ext = '.php') {
432: if (is_string($params) || $params === null) {
433: $params = preg_replace('/\/\//', '/', $params);
434: $cache = CACHE . $type . DS . $params;
435:
436: if (is_file($cache . $ext)) {
437: //@codingStandardsIgnoreStart
438: @unlink($cache . $ext);
439: //@codingStandardsIgnoreEnd
440: return true;
441: } elseif (is_dir($cache)) {
442: $files = glob($cache . '*');
443:
444: if ($files === false) {
445: return false;
446: }
447:
448: foreach ($files as $file) {
449: if (is_file($file) && strrpos($file, DS . 'empty') !== strlen($file) - 6) {
450: //@codingStandardsIgnoreStart
451: @unlink($file);
452: //@codingStandardsIgnoreEnd
453: }
454: }
455: return true;
456: } else {
457: $cache = array(
458: CACHE . $type . DS . '*' . $params . $ext,
459: CACHE . $type . DS . '*' . $params . '_*' . $ext
460: );
461: $files = array();
462: while ($search = array_shift($cache)) {
463: $results = glob($search);
464: if ($results !== false) {
465: $files = array_merge($files, $results);
466: }
467: }
468: if (empty($files)) {
469: return false;
470: }
471: foreach ($files as $file) {
472: if (is_file($file) && strrpos($file, DS . 'empty') !== strlen($file) - 6) {
473: //@codingStandardsIgnoreStart
474: @unlink($file);
475: //@codingStandardsIgnoreEnd
476: }
477: }
478: return true;
479: }
480: } elseif (is_array($params)) {
481: foreach ($params as $file) {
482: clearCache($file, $type, $ext);
483: }
484: return true;
485: }
486: return false;
487: }
488:
489: /**
490: * Recursively strips slashes from all values in an array
491: *
492: * @param array $values Array of values to strip slashes
493: * @return mixed What is returned from calling stripslashes
494: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#stripslashes_deep
495: */
496: function stripslashes_deep($values) {
497: if (is_array($values)) {
498: foreach ($values as $key => $value) {
499: $values[$key] = stripslashes_deep($value);
500: }
501: } else {
502: $values = stripslashes($values);
503: }
504: return $values;
505: }
506:
507: /**
508: * Returns a translated string if one is found; Otherwise, the submitted message.
509: *
510: * @param string $singular Text to translate
511: * @param mixed $args Array with arguments or multiple arguments in function
512: * @return mixed translated string
513: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#__
514: */
515: function __($singular, $args = null) {
516: if (!$singular) {
517: return;
518: }
519:
520: App::uses('I18n', 'I18n');
521: $translated = I18n::translate($singular);
522: if ($args === null) {
523: return $translated;
524: } elseif (!is_array($args)) {
525: $args = array_slice(func_get_args(), 1);
526: }
527: return vsprintf($translated, $args);
528: }
529:
530: /**
531: * Returns correct plural form of message identified by $singular and $plural for count $count.
532: * Some languages have more than one form for plural messages dependent on the count.
533: *
534: * @param string $singular Singular text to translate
535: * @param string $plural Plural text
536: * @param integer $count Count
537: * @param mixed $args Array with arguments or multiple arguments in function
538: * @return mixed plural form of translated string
539: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#__n
540: */
541: function __n($singular, $plural, $count, $args = null) {
542: if (!$singular) {
543: return;
544: }
545:
546: App::uses('I18n', 'I18n');
547: $translated = I18n::translate($singular, $plural, null, 6, $count);
548: if ($args === null) {
549: return $translated;
550: } elseif (!is_array($args)) {
551: $args = array_slice(func_get_args(), 3);
552: }
553: return vsprintf($translated, $args);
554: }
555:
556: /**
557: * Allows you to override the current domain for a single message lookup.
558: *
559: * @param string $domain Domain
560: * @param string $msg String to translate
561: * @param mixed $args Array with arguments or multiple arguments in function
562: * @return translated string
563: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#__d
564: */
565: function __d($domain, $msg, $args = null) {
566: if (!$msg) {
567: return;
568: }
569: App::uses('I18n', 'I18n');
570: $translated = I18n::translate($msg, null, $domain);
571: if ($args === null) {
572: return $translated;
573: } elseif (!is_array($args)) {
574: $args = array_slice(func_get_args(), 2);
575: }
576: return vsprintf($translated, $args);
577: }
578:
579: /**
580: * Allows you to override the current domain for a single plural message lookup.
581: * Returns correct plural form of message identified by $singular and $plural for count $count
582: * from domain $domain.
583: *
584: * @param string $domain Domain
585: * @param string $singular Singular string to translate
586: * @param string $plural Plural
587: * @param integer $count Count
588: * @param mixed $args Array with arguments or multiple arguments in function
589: * @return plural form of translated string
590: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#__dn
591: */
592: function __dn($domain, $singular, $plural, $count, $args = null) {
593: if (!$singular) {
594: return;
595: }
596: App::uses('I18n', 'I18n');
597: $translated = I18n::translate($singular, $plural, $domain, 6, $count);
598: if ($args === null) {
599: return $translated;
600: } elseif (!is_array($args)) {
601: $args = array_slice(func_get_args(), 4);
602: }
603: return vsprintf($translated, $args);
604: }
605:
606: /**
607: * Allows you to override the current domain for a single message lookup.
608: * It also allows you to specify a category.
609: *
610: * The category argument allows a specific category of the locale settings to be used for fetching a message.
611: * Valid categories are: LC_CTYPE, LC_NUMERIC, LC_TIME, LC_COLLATE, LC_MONETARY, LC_MESSAGES and LC_ALL.
612: *
613: * Note that the category must be specified with a numeric value, instead of the constant name. The values are:
614: *
615: * - LC_ALL 0
616: * - LC_COLLATE 1
617: * - LC_CTYPE 2
618: * - LC_MONETARY 3
619: * - LC_NUMERIC 4
620: * - LC_TIME 5
621: * - LC_MESSAGES 6
622: *
623: * @param string $domain Domain
624: * @param string $msg Message to translate
625: * @param integer $category Category
626: * @param mixed $args Array with arguments or multiple arguments in function
627: * @return translated string
628: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#__dc
629: */
630: function __dc($domain, $msg, $category, $args = null) {
631: if (!$msg) {
632: return;
633: }
634: App::uses('I18n', 'I18n');
635: $translated = I18n::translate($msg, null, $domain, $category);
636: if ($args === null) {
637: return $translated;
638: } elseif (!is_array($args)) {
639: $args = array_slice(func_get_args(), 3);
640: }
641: return vsprintf($translated, $args);
642: }
643:
644: /**
645: * Allows you to override the current domain for a single plural message lookup.
646: * It also allows you to specify a category.
647: * Returns correct plural form of message identified by $singular and $plural for count $count
648: * from domain $domain.
649: *
650: * The category argument allows a specific category of the locale settings to be used for fetching a message.
651: * Valid categories are: LC_CTYPE, LC_NUMERIC, LC_TIME, LC_COLLATE, LC_MONETARY, LC_MESSAGES and LC_ALL.
652: *
653: * Note that the category must be specified with a numeric value, instead of the constant name. The values are:
654: *
655: * - LC_ALL 0
656: * - LC_COLLATE 1
657: * - LC_CTYPE 2
658: * - LC_MONETARY 3
659: * - LC_NUMERIC 4
660: * - LC_TIME 5
661: * - LC_MESSAGES 6
662: *
663: * @param string $domain Domain
664: * @param string $singular Singular string to translate
665: * @param string $plural Plural
666: * @param integer $count Count
667: * @param integer $category Category
668: * @param mixed $args Array with arguments or multiple arguments in function
669: * @return plural form of translated string
670: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#__dcn
671: */
672: function __dcn($domain, $singular, $plural, $count, $category, $args = null) {
673: if (!$singular) {
674: return;
675: }
676: App::uses('I18n', 'I18n');
677: $translated = I18n::translate($singular, $plural, $domain, $category, $count);
678: if ($args === null) {
679: return $translated;
680: } elseif (!is_array($args)) {
681: $args = array_slice(func_get_args(), 5);
682: }
683: return vsprintf($translated, $args);
684: }
685:
686: /**
687: * The category argument allows a specific category of the locale settings to be used for fetching a message.
688: * Valid categories are: LC_CTYPE, LC_NUMERIC, LC_TIME, LC_COLLATE, LC_MONETARY, LC_MESSAGES and LC_ALL.
689: *
690: * Note that the category must be specified with a numeric value, instead of the constant name. The values are:
691: *
692: * - LC_ALL 0
693: * - LC_COLLATE 1
694: * - LC_CTYPE 2
695: * - LC_MONETARY 3
696: * - LC_NUMERIC 4
697: * - LC_TIME 5
698: * - LC_MESSAGES 6
699: *
700: * @param string $msg String to translate
701: * @param integer $category Category
702: * @param mixed $args Array with arguments or multiple arguments in function
703: * @return translated string
704: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#__c
705: */
706: function __c($msg, $category, $args = null) {
707: if (!$msg) {
708: return;
709: }
710: App::uses('I18n', 'I18n');
711: $translated = I18n::translate($msg, null, null, $category);
712: if ($args === null) {
713: return $translated;
714: } elseif (!is_array($args)) {
715: $args = array_slice(func_get_args(), 2);
716: }
717: return vsprintf($translated, $args);
718: }
719:
720: /**
721: * Shortcut to Log::write.
722: *
723: * @param string $message Message to write to log
724: * @return void
725: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#LogError
726: */
727: function LogError($message) {
728: App::uses('CakeLog', 'Log');
729: $bad = array("\n", "\r", "\t");
730: $good = ' ';
731: CakeLog::write('error', str_replace($bad, $good, $message));
732: }
733:
734: /**
735: * Searches include path for files.
736: *
737: * @param string $file File to look for
738: * @return Full path to file if exists, otherwise false
739: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#fileExistsInPath
740: */
741: function fileExistsInPath($file) {
742: $paths = explode(PATH_SEPARATOR, ini_get('include_path'));
743: foreach ($paths as $path) {
744: $fullPath = $path . DS . $file;
745:
746: if (file_exists($fullPath)) {
747: return $fullPath;
748: } elseif (file_exists($file)) {
749: return $file;
750: }
751: }
752: return false;
753: }
754:
755: /**
756: * Convert forward slashes to underscores and removes first and last underscores in a string
757: *
758: * @param string String to convert
759: * @return string with underscore remove from start and end of string
760: * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#convertSlash
761: */
762: function convertSlash($string) {
763: $string = trim($string, '/');
764: $string = preg_replace('/\/\//', '/', $string);
765: $string = str_replace('/', '_', $string);
766: return $string;
767: }
768: