| 1 | <?php |
| 2 | /** |
| 3 | * Smarty plugin |
| 4 | * @package Smarty |
| 5 | * @subpackage plugins |
| 6 | */ |
| 7 | |
| 8 | |
| 9 | /** |
| 10 | * Smarty truncate modifier plugin |
| 11 | * |
| 12 | * Type: modifier<br> |
| 13 | * Name: truncate<br> |
| 14 | * Purpose: Truncate a string to a certain length if necessary, |
| 15 | * optionally splitting in the middle of a word, and |
| 16 | * appending the $etc string or inserting $etc into the middle. |
| 17 | * @link http://smarty.php.net/manual/en/language.modifier.truncate.php |
| 18 | * truncate (Smarty online manual) |
| 19 | * @param string |
| 20 | * @param integer |
| 21 | * @param string |
| 22 | * @param boolean |
| 23 | * @param boolean |
| 24 | * @return string |
| 25 | */ |
| 26 | function smarty_modifier_truncate($string, $length = 80, $etc = '...', |
| 27 | $break_words = false, $middle = false) |
| 28 | { |
| 29 | if ($length == 0) |
| 30 | return ''; |
| 31 | |
| 32 | if (strlen($string) > $length) { |
| 33 | $length -= strlen($etc); |
| 34 | if (!$break_words && !$middle) { |
| 35 | $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length+1)); |
| 36 | } |
| 37 | if(!$middle) { |
| 38 | return substr($string, 0, $length).$etc; |
| 39 | } else { |
| 40 | return substr($string, 0, $length/2) . $etc . substr($string, -$length/2); |
| 41 | } |
| 42 | } else { |
| 43 | return $string; |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | /* vim: set expandtab: */ |
| 48 | |
| 49 | ?> |