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 9
13:  * Rule 9 : te-C1erC2 -> te-C1erC2 where C1 != 'r'
14:  */
15: class DisambiguatorPrefixRule9 implements DisambiguatorInterface
16: {
17:     /**
18:      * Disambiguate Prefix Rule 9
19:      * Rule 9 : te-C1erC2 -> te-C1erC2 where C1 != 'r'
20:      */
21:     public function disambiguate($word)
22:     {
23:         $matches  = null;
24:         $contains = preg_match('/^te([bcdfghjklmnpqrstvwxyz])er([bcdfghjklmnpqrstvwxyz])(.*)$/', $word, $matches);
25: 
26:         if ($contains === 1) {
27:             if ($matches[1] === 'r') {
28:                 return;
29:             }
30: 
31:             return $matches[1] . 'er' . $matches[2] . $matches[3];
32:         }
33:     }
34: }
35: