| 1 | <?php | 
| 2 |  | 
| 3 | /* | 
| 4 | * Smarty plugin | 
| 5 | * ------------------------------------------------------------- | 
| 6 | * Type:     modifier | 
| 7 | * Name:     truncate | 
| 8 | * Purpose:  Truncate a string to a certain length if necessary, | 
| 9 | *           optionally splitting in the middle of a word, and | 
| 10 | *           appending the $etc string. | 
| 11 | * ------------------------------------------------------------- | 
| 12 | */ | 
| 13 | function smarty_modifier_truncate($string, $length = 80, $etc = '...', | 
| 14 | $break_words = false) | 
| 15 | { | 
| 16 | if ($length == 0) | 
| 17 | return ''; | 
| 18 |  | 
| 19 | if (strlen($string) > $length) { | 
| 20 | $length -= strlen($etc); | 
| 21 | $fragment = substr($string, 0, $length+1); | 
| 22 | if ($break_words) | 
| 23 | $fragment = substr($fragment, 0, -1); | 
| 24 | else | 
| 25 | $fragment = preg_replace('/\s+(\S+)?$/', '', $fragment); | 
| 26 | return $fragment.$etc; | 
| 27 | } else | 
| 28 | return $string; | 
| 29 | } | 
| 30 |  | 
| 31 | /* vim: set expandtab: */ | 
| 32 |  | 
| 33 | ?> |