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 $etc into the middle.
17: * @link http://smarty.php.net/manual/en/language.modifier.truncate.php
18: * truncate (Smarty online manual)
19: * @author Monte Ohrt <monte at ohrt dot com>
20: * @param string
21: * @param integer
22: * @param string
23: * @param boolean
24: * @param boolean
25: * @return string
26: */
27: function smarty_modifier_truncate($string, $length = 80, $etc = '...',
28: $break_words = false, $middle = false)
29: {
30: if ($length == 0)
31: return '';
32:
33: if (strlen($string) > $length) {
34: $length -= min($length, strlen($etc));
35: if (!$break_words && !$middle) {
36: $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length+1));
37: }
38: if(!$middle) {
39: return substr($string, 0, $length) . $etc;
40: } else {
41: return substr($string, 0, $length/2) . $etc . substr($string, -$length/2);
42: }
43: } else {
44: return $string;
45: }
46: }
47:
48: /* vim: set expandtab: */
49:
50: ?>
51: