1: <?php
 2: class Horde_Date_Parser_Locale_Base_Timezone
 3: {
 4:     public $scanner = array(
 5:         '/[PMCE][DS]T/i' => 'tz',
 6:     );
 7: 
 8:     public function scan($tokens)
 9:     {
10:         foreach ($tokens as &$token) {
11:             if ($t = $this->scanForAll($token)) {
12:                 $token->tag('timezone', $t);
13:             }
14:         }
15:         return $tokens;
16:     }
17: 
18:     public function scanForAll($token)
19:     {
20:         foreach ($this->scanner as $scannerItem => $scannerTag) {
21:             if (preg_match($scannerItem, $token->word)) {
22:                 return $scannerTag;
23:             }
24:         }
25:     }
26: 
27: }
28: