<?php /** * Smarty plugin * * @package Smarty * @subpackage PluginsModifier */ /** * Smarty truncate modifier plugin * Type: modifier<br> * Name: truncate<br> * Purpose: Truncate a string to a certain length if necessary, * optionally splitting in the middle of a word, and * appending the $etc string or inserting $etc into the middle. * * @link http://smarty.php.net/manual/en/language.modifier.truncate.php truncate (Smarty online manual) * @author Monte Ohrt <monte at ohrt dot com> * * @param string $string input string * @param integer $length length of truncated text * @param string $etc end string * @param boolean $break_words truncate at word boundary * @param boolean $middle truncate in the middle of text * * @return string truncated string */ function smarty_modifier_truncate($string, $length = 80, $etc = '...', $break_words = false, $middle = false) { if ($length == 0) { return ''; } if (Smarty::$_MBSTRING) { if (mb_strlen($string, Smarty::$_CHARSET) > $length) { $length -= min($length, mb_strlen($etc, Smarty::$_CHARSET)); if (!$break_words && !$middle) { $string = preg_replace('/\s+?(\S+)?$/' . Smarty::$_UTF8_MODIFIER, '', mb_substr($string, 0, $length + 1, Smarty::$_CHARSET)); } if (!$middle) { return mb_substr($string, 0, $length, Smarty::$_CHARSET) . $etc; } return mb_substr($string, 0, $length / 2, Smarty::$_CHARSET) . $etc . mb_substr($string, - $length / 2, $length, Smarty::$_CHARSET); } return $string; } // no MBString fallback if (isset($string[$length])) { $length -= min($length, strlen($etc)); if (!$break_words && !$middle) { $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length + 1)); } if (!$middle) { return substr($string, 0, $length) . $etc; } return substr($string, 0, $length / 2) . $etc . substr($string, - $length / 2); } return $string; }