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

1:	<?php
2:	/**
3:	* Smarty plugin
4:	*
5:	* @package Smarty
6:	* @subpackage PluginsModifier
7:	*/
8:	/**
9:	* Smarty wordwrap modifier plugin
10:	* Type: modifier
11:	* Name: mb_wordwrap
12:	* Purpose: Wrap a string to a given number of characters
13:	*
14:	* @link http://php.net/manual/en/function.wordwrap.php for similarity
15:	*
16:	* @param string $str the string to wrap
17:	* @param int $width the width of the output
18:	* @param string $break the character used to break the line
19:	* @param boolean $cut ignored parameter, just for the sake of
20:	*
21:	* @return string wrapped string
22:	* @author Rodney Rehm
23:	*/
24:	function smarty_modifier_mb_wordwrap($str, $width = 75, $break = "\n", $cut = false)
25:	{
26:	// break words into tokens using white space as a delimiter
27:	$tokens = preg_split('!(\s)!S' . Smarty::$_UTF8_MODIFIER, $str, -1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
28:	$length = 0;
29:	$t = '';
30:	$_previous = false;
31:	$_space = false;
32:	foreach ($tokens as $_token) {
33:	$token_length = mb_strlen($_token, Smarty::$_CHARSET);
34:	$_tokens = array($_token);
35:	if ($token_length > $width) {
36:	if ($cut) {
37:	$_tokens = preg_split(
38:	'!(.{' . $width . '})!S' . Smarty::$_UTF8_MODIFIER,
39:	$_token,
40:	-1,
41:	PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE
42:	);
43:	}
44:	}
45:	foreach ($_tokens as $token) {
46:	$_space = !!preg_match('!^\s$!S' . Smarty::$_UTF8_MODIFIER, $token);
47:	$token_length = mb_strlen($token, Smarty::$_CHARSET);
48:	$length += $token_length;
49:	if ($length > $width) {
50:	// remove space before inserted break
51:	if ($_previous) {
52:	$t = mb_substr($t, 0, -1, Smarty::$_CHARSET);
53:	}
54:	if (!$_space) {
55:	// add the break before the token
56:	if (!empty($t)) {
57:	$t .= $break;
58:	}
59:	$length = $token_length;
60:	}
61:	} elseif ($token === "\n") {
62:	// hard break must reset counters
63:	$length = 0;
64:	}
65:	$_previous = $_space;
66:	// add the token
67:	$t .= $token;
68:	}
69:	}
70:	return $t;
71:	}
72:

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