6 * @subpackage PluginsShared
9 if (!function_exists('smarty_mb_wordwrap')) {
12 * Wrap a string to a given number of characters
14 * @link http://php.net/manual/en/function.wordwrap.php for similarity
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 $cut ignored parameter, just for the sake of
21 * @return string wrapped string
24 function smarty_mb_wordwrap($str, $width = 75, $break = "\n", $cut = false)
26 // break words into tokens using white space as a delimiter
28 preg_split('!(\s)!S' . Smarty::$_UTF8_MODIFIER, $str, - 1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
34 foreach ($tokens as $_token) {
35 $token_length = mb_strlen($_token, Smarty::$_CHARSET);
36 $_tokens = array($_token);
37 if ($token_length > $width) {
39 $_tokens = preg_split('!(.{' . $width . '})!S' . Smarty::$_UTF8_MODIFIER, $_token, - 1,
40 PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
44 foreach ($_tokens as $token) {
45 $_space = !!preg_match('!^\s$!S' . Smarty::$_UTF8_MODIFIER, $token);
46 $token_length = mb_strlen($token, Smarty::$_CHARSET);
47 $length += $token_length;
49 if ($length > $width) {
50 // remove space before inserted break
52 $t = mb_substr($t, 0, - 1, Smarty::$_CHARSET);
56 // add the break before the token
60 $length = $token_length;
62 } elseif ($token == "\n") {
63 // hard break must reset counters