File class\libraries\vendor\smarty\smarty\libs\plugins\modifier.truncate.php

1:	<?php
2:	/**
3:	* Smarty plugin
4:	*
5:	* @package Smarty
6:	* @subpackage PluginsModifier
7:	*/
8:	/**
9:	* Smarty truncate modifier plugin
10:	* Type: modifier
11:	* Name: truncate
12:	* Purpose: Truncate a string to a certain length if necessary,
13:	* optionally splitting in the middle of a word, and
14:	* appending the $etc string or inserting $etc into the middle.
15:	*
16:	* @link http://smarty.php.net/manual/en/language.modifier.truncate.php truncate (Smarty online manual)
17:	* @author Monte Ohrt <monte at ohrt dot com>
18:	*
19:	* @param string $string input string
20:	* @param integer $length length of truncated text
21:	* @param string $etc end string
22:	* @param boolean $break_words truncate at word boundary
23:	* @param boolean $middle truncate in the middle of text
24:	*
25:	* @return string truncated string
26:	*/
27:	function smarty_modifier_truncate($string, $length = 80, $etc = '...', $break_words = false, $middle = false)
28:	{
29:	if ($length === 0) {
30:	return '';
31:	}
32:	if (Smarty::$_MBSTRING) {
33:	if (mb_strlen($string, Smarty::$_CHARSET) > $length) {
34:	$length -= min($length, mb_strlen($etc, Smarty::$_CHARSET));
35:	if (!$break_words && !$middle) {
36:	$string = preg_replace(
37:	'/\s+?(\S+)?$/' . Smarty::$_UTF8_MODIFIER,
38:	'',
39:	mb_substr($string, 0, $length + 1, Smarty::$_CHARSET)
40:	);
41:	}
42:	if (!$middle) {
43:	return mb_substr($string, 0, $length, Smarty::$_CHARSET) . $etc;
44:	}
45:	return mb_substr($string, 0, $length / 2, Smarty::$_CHARSET) . $etc .
46:	mb_substr($string, -$length / 2, $length, Smarty::$_CHARSET);
47:	}
48:	return $string;
49:	}
50:	// no MBString fallback
51:	if (isset($string[ $length ])) {
52:	$length -= min($length, strlen($etc));
53:	if (!$break_words && !$middle) {
54:	$string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length + 1));
55:	}
56:	if (!$middle) {
57:	return substr($string, 0, $length) . $etc;
58:	}
59:	return substr($string, 0, $length / 2) . $etc . substr($string, -$length / 2);
60:	}
61:	return $string;
62:	}
63:

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