<?php
/**
* Smarty plugin
* @package Smarty
* @subpackage plugins
*/
/**
* 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 $etc into the middle.
* @link http://smarty.php.net/manual/en/language.modifier.truncate.php
* truncate (Smarty online manual)
* @link https://www.guyrutenberg.com/2007/12/04/multibyte-string-truncate-modifier-for-smarty-mb_truncate/
* @author Guy Rutenberg <guyrutenberg@gmail.com> based on the original
* truncate by Monte Ohrt <monte at ohrt dot com>
* @param string
* @param integer
* @param string
* @param boolean
* @param boolean
* @return string
*/
function smarty_modifier_truncate($string, $length = 80, $etc = '?', $break_words = false, $middle = false)
{
if (0 >= $length) {
return '';
}
$charset = defined('_CHARSET') ? _CHARSET : 'UTF-8';
if (mb_strlen($string) <= $length) {
return $string;
}
$length -= min($length, mb_strlen($etc));
if (!$break_words && !$middle) {
$string = preg_replace('/\s+?(\S+)?$/u', '', mb_substr($string, 0, $length + 1, $charset));
}
if (!$middle) {
return mb_substr($string, 0, $length, $charset) . $etc;
}
return mb_substr($string, 0, $length / 2, $charset) . $etc
. mb_substr($string, -$length / 2, (mb_strlen($string) - $length / 2), $charset);
}
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