| 1 | cvsjoko | 1.1 | <?php | 
| 2 |  |  |  | 
| 3 |  |  | /* | 
| 4 |  |  | * Smarty plugin | 
| 5 |  |  | * ------------------------------------------------------------- | 
| 6 |  |  | * Type:     modifier | 
| 7 |  |  | * Name:     count_words | 
| 8 |  |  | * Purpose:  count the number of words in a text | 
| 9 |  |  | * ------------------------------------------------------------- | 
| 10 |  |  | */ | 
| 11 |  |  | function smarty_modifier_count_words($string) | 
| 12 |  |  | { | 
| 13 |  |  | // split text by ' ',\r,\n,\f,\t | 
| 14 |  |  | $split_array = preg_split('/\s+/',$string); | 
| 15 |  |  | // count matches that contain alphanumerics | 
| 16 |  |  | $word_count = preg_grep('/[a-zA-Z0-9]/', $split_array); | 
| 17 |  |  |  | 
| 18 |  |  | return count($word_count); | 
| 19 |  |  | } | 
| 20 |  |  |  | 
| 21 |  |  | /* vim: set expandtab: */ | 
| 22 |  |  |  | 
| 23 |  |  | ?> |