1: <?php
 2: /**
 3:  * Sastrawi (https://github.com/sastrawi/sastrawi)
 4:  *
 5:  * @link      http://github.com/sastrawi/sastrawi for the canonical source repository
 6:  * @license   https://github.com/sastrawi/sastrawi/blob/master/LICENSE The MIT License (MIT)
 7:  */
 8: 
 9: namespace Sastrawi\Morphology\Disambiguator;
10: 
11: /**
12:  * Disambiguate Prefix Rule 23
13:  * Rule 23 : perCAP -> per-CAP where C != 'r' AND P != 'er'
14:  */
15: class DisambiguatorPrefixRule23 implements DisambiguatorInterface
16: {
17:     /**
18:      * Disambiguate Prefix Rule 23
19:      * Rule 23 : perCAP -> per-CAP where C != 'r' AND P != 'er'
20:      */
21:     public function disambiguate($word)
22:     {
23:         $contains = preg_match('/^per([bcdfghjklmnpqrstvwxyz])([a-z])(.*)$/', $word, $matches);
24: 
25:         if ($contains === 1) {
26:             if (preg_match('/^er(.*)$/', $matches[3]) === 1) {
27:                 return;
28:             }
29: 
30:             return $matches[1] . $matches[2] . $matches[3];
31:         }
32:     }
33: }
34: