smarty/plugins/modifier.count_words.php
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     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  * @author   Monte Ohrt <monte at ohrt dot com>
       
    18  * @param string
       
    19  * @return integer
       
    20  */
       
    21 function smarty_modifier_count_words($string)
       
    22 {
       
    23     // split text by ' ',\r,\n,\f,\t
       
    24     $split_array = preg_split('/\s+/',$string);
       
    25     // count matches that contain alphanumerics
       
    26     $word_count = preg_grep('/[a-zA-Z0-9\\x80-\\xff]/', $split_array);
       
    27 
       
    28     return count($word_count);
       
    29 }
       
    30 
       
    31 /* vim: set expandtab: */
       
    32 
       
    33 ?>