| 1 | <?php | 
| 2 | /** | 
| 3 | * Smarty plugin | 
| 4 | * @package Smarty | 
| 5 | * @subpackage plugins | 
| 6 | */ | 
| 7 |  | 
| 8 |  | 
| 9 | /** | 
| 10 | * Smarty count_words modifier plugin | 
| 11 | * | 
| 12 | * Type:     modifier<br> | 
| 13 | * Name:     count_words<br> | 
| 14 | * Purpose:  count the number of words in a text | 
| 15 | * @link http://smarty.php.net/manual/en/language.modifier.count.words.php | 
| 16 | *          count_words (Smarty online manual) | 
| 17 | * @param string | 
| 18 | * @return integer | 
| 19 | */ | 
| 20 | function smarty_modifier_count_words($string) | 
| 21 | { | 
| 22 | // split text by ' ',\r,\n,\f,\t | 
| 23 | $split_array = preg_split('/\s+/',$string); | 
| 24 | // count matches that contain alphanumerics | 
| 25 | $word_count = preg_grep('/[a-zA-Z0-9\\x80-\\xff]/', $split_array); | 
| 26 |  | 
| 27 | return count($word_count); | 
| 28 | } | 
| 29 |  | 
| 30 | /* vim: set expandtab: */ | 
| 31 |  | 
| 32 | ?> |