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File: Smarty/libs/plugins/modifier.truncate.php

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File: Smarty/libs/plugins/modifier.truncate.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: FDSSmarty
Load and display views using Smarty
Author: By
Last change:
Date: 8 years ago
Size: 2,132 bytes
 

Contents

Class file image Download
<?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;
}