1: <?php
 2: class Horde_Date_Parser_Locale_Pt_Ordinal extends Horde_Date_Parser_Locale_Base_Ordinal
 3: {
 4: /*
 5:     public $ordinalRegex = '/^(\d*)(\.|\xBA|\xAA|º|ª|st|nd|rd|th)?$/';
 6:     public $ordinalDayRegex = '/^(0[1-9]|[12][0-9]|3[01])(\.|\xBA|\xAA|º|ª|st|nd|rd|th)?$/';
 7:     public $ordinalMonthsRegex = '/^(0[1-9]|1[012])(\.|\xBA|\xAA|º|ª|st|nd|rd|th)?$/';
 8: */
 9:     public $ordinalRegex = '/^(\d*)(st|nd|rd|th)$/';
10:     public $ordinalDayRegex = '/^(\d*)(st|nd|rd|th)$/';
11:     public $ordinalMonthsRegex = '/^(\d*)(st|nd|rd|th)$/';
12: 
13: 
14:     public function scan($tokens)
15:     {
16:         foreach ($tokens as &$token) {
17:             if (!is_null($t = $this->scanForOrdinals($token))) {
18:                 $token->tag('ordinal', $t);
19:             }
20:             if (!is_null($t = $this->scanForDays($token))) {
21:                 $token->tag('ordinal_day', $t);
22:             }
23:             if (!is_null($t = $this->scanForMonths($token))) {
24:                 $token->tag('ordinal_month', $t);
25:             }
26:         }
27: 
28:         return $tokens;
29:     }
30: 
31:     public function scanForOrdinals($token)
32:     {
33:         if (preg_match($this->ordinalRegex, $token->word, $matches)) {
34:             return (int)$matches[1];
35:         }
36:     }
37: 
38:     public function scanForDays($token)
39:     {
40:         if (preg_match($this->ordinalDayRegex, $token->word, $matches)) {
41:             if ($matches[1] <= 31) {
42:                 return (int)$matches[1];
43:             }
44:         }
45:     }
46: 
47:     public function scanForMonths($token)
48:     {
49:         if (preg_match($this->ordinalMonthsRegex, $token->word, $matches)) {
50:             if ($matches[1] <= 12) {
51:                 return (int)$matches[1];
52:             }
53:         }
54:     }
55: }
56: