| 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 | ?> |