Viewing file:  shared.mb_wordwrap.php (2.71 KB) -rw-r--r--
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<?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)!uS', $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_RESOURCE_CHAR_SET);
$_tokens = array($_token);
if ($token_length > $width) {
// remove last space
$t = mb_substr($t, 0, -1, SMARTY_RESOURCE_CHAR_SET);
$_previous = false;
$length = 0;
if ($cut) {
$_tokens = preg_split('!(.{' . $width . '})!uS', $_token, -1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
// broken words go on a new line
$t .= $break;
}
}
foreach ($_tokens as $token) {
$_space = !!preg_match('!^\s$!uS', $token);
$token_length = mb_strlen($token, SMARTY_RESOURCE_CHAR_SET);
$length += $token_length;
if ($length > $width) {
// remove space before inserted break
if ($_previous && $token_length < $width) {
$t = mb_substr($t, 0, -1, SMARTY_RESOURCE_CHAR_SET);
}
// add the break before the token
$t .= $break;
$length = $token_length;
// skip space after inserting a break
if ($_space) {
$length = 0;
continue;
}
} else if ($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;
}
}
?>
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