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50 lines
1.3 KiB
PHP
50 lines
1.3 KiB
PHP
<?php
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/**
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* Smarty plugin
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* @package Smarty
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* @subpackage plugins
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*/
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/**
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* Smarty truncate modifier plugin
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*
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* Type: modifier<br>
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* Name: truncate<br>
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* Purpose: Truncate a string to a certain length if necessary,
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* optionally splitting in the middle of a word, and
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* appending the $etc string or inserting $etc into the middle.
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* @link http://smarty.php.net/manual/en/language.modifier.truncate.php
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* truncate (Smarty online manual)
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* @author Monte Ohrt <monte at ohrt dot com>
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* @param string
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* @param integer
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* @param string
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* @param boolean
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* @param boolean
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* @return string
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*/
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function smarty_modifier_truncate($string, $length = 80, $etc = '...',
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$break_words = false, $middle = false)
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{
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if ($length == 0)
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return '';
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if (strlen($string) > $length) {
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$length -= min($length, strlen($etc));
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if (!$break_words && !$middle) {
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$string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length+1));
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}
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if(!$middle) {
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return substr($string, 0, $length) . $etc;
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} else {
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return substr($string, 0, $length/2) . $etc . substr($string, -$length/2);
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}
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} else {
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return $string;
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}
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}
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/* vim: set expandtab: */
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?>
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