1 <?php
2 /**
3 * Smarty plugin
4 *
5 * @package Smarty
6 * @subpackage PluginsModifier
7 */
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 *
18 * @link http://smarty.php.net/manual/en/language.modifier.truncate.php truncate (Smarty online manual)
19 * @author Monte Ohrt <monte at ohrt dot com>
20 * @param string $string input string
21 * @param integer $length length of truncated text
22 * @param string $etc end string
23 * @param boolean $break_words truncate at word boundary
24 * @param boolean $middle truncate in the middle of text
25 * @return string truncated string
26 */
27 function smarty_modifier_truncate($string, $length = 80, $etc = '...', $break_words = false, $middle = false) {
28 if ($length == 0)
29 return '';
31 if (SMARTY_MBSTRING /* ^phpunit */&&empty($_SERVER['SMARTY_PHPUNIT_DISABLE_MBSTRING'])/* phpunit$ */) {
32 if (mb_strlen($string, SMARTY_RESOURCE_CHAR_SET) > $length) {
33 $length -= min($length, mb_strlen($etc, SMARTY_RESOURCE_CHAR_SET));
34 if (!$break_words && !$middle) {
35 $string = preg_replace('/\s+?(\S+)?$/u', '', mb_substr($string, 0, $length + 1, SMARTY_RESOURCE_CHAR_SET));
36 }
37 if (!$middle) {
38 return mb_substr($string, 0, $length, SMARTY_RESOURCE_CHAR_SET) . $etc;
39 }
40 return mb_substr($string, 0, $length / 2, SMARTY_RESOURCE_CHAR_SET) . $etc . mb_substr($string, - $length / 2, $length, SMARTY_RESOURCE_CHAR_SET);
41 }
42 return $string;
43 }
45 // no MBString fallback
46 if (isset($string[$length])) {
47 $length -= min($length, strlen($etc));
48 if (!$break_words && !$middle) {
49 $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length + 1));
50 }
51 if (!$middle) {
52 return substr($string, 0, $length) . $etc;
53 }
54 return substr($string, 0, $length / 2) . $etc . substr($string, - $length / 2);
55 }
56 return $string;
57 }
59 ?>