<?php /** * Smarty shared plugin * * @package Smarty * @subpackage PluginsShared */ if (!function_exists('smarty_mb_wordwrap')) { /** * Wrap a string to a given number of characters * * @link http://php.net/manual/en/function.wordwrap.php for similarity * * @param string $str the string to wrap * @param int $width the width of the output * @param string $break the character used to break the line * @param boolean $cut ignored parameter, just for the sake of * * @return string wrapped string * @author Rodney Rehm */ function smarty_mb_wordwrap($str, $width = 75, $break = "\n", $cut = false) { // break words into tokens using white space as a delimiter $tokens = preg_split('!(\s)!S' . Smarty::$_UTF8_MODIFIER, $str, - 1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE); $length = 0; $t = ''; $_previous = false; foreach ($tokens as $_token) { $token_length = mb_strlen($_token, Smarty::$_CHARSET); $_tokens = array($_token); if ($token_length > $width) { // remove last space $t = mb_substr($t, 0, - 1, Smarty::$_CHARSET); $_previous = false; $length = 0; if ($cut) { $_tokens = preg_split('!(.{' . $width . '})!S' . Smarty::$_UTF8_MODIFIER, $_token, - 1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE); // broken words go on a new line $t .= $break; } } foreach ($_tokens as $token) { $_space = !!preg_match('!^\s$!S' . Smarty::$_UTF8_MODIFIER, $token); $token_length = mb_strlen($token, Smarty::$_CHARSET); $length += $token_length; if ($length > $width) { // remove space before inserted break if ($_previous && $token_length < $width) { $t = mb_substr($t, 0, - 1, Smarty::$_CHARSET); } // add the break before the token $t .= $break; $length = $token_length; // skip space after inserting a break if ($_space) { $length = 0; continue; } } elseif ($token == "\n") { // hard break must reset counters $_previous = 0; $length = 0; } else { // remember if we had a space or not $_previous = $_space; } // add the token $t .= $token; } } return $t; } }