0,0 → 1,71 |
<?php |
/** |
* Smarty plugin |
* |
* @package Smarty |
* @subpackage PluginsModifier |
*/ |
/** |
* Smarty wordwrap modifier plugin |
* Type: modifier |
* Name: mb_wordwrap |
* Purpose: 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 $cut ignored parameter, just for the sake of |
* |
* @return string wrapped string |
* @author Rodney Rehm |
*/ |
function smarty_modifier_mb_wordwrap($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; |
$_space = false; |
foreach ($tokens as $_token) { |
$token_length = mb_strlen($_token, Smarty::$_CHARSET); |
$_tokens = array($_token); |
if ($token_length > $width) { |
if ($cut) { |
$_tokens = preg_split( |
'!(.{' . $width . '})!S' . Smarty::$_UTF8_MODIFIER, |
$_token, |
-1, |
PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE |
); |
} |
} |
foreach ($_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) { |
$t = mb_substr($t, 0, -1, Smarty::$_CHARSET); |
} |
if (!$_space) { |
// add the break before the token |
if (!empty($t)) { |
$t .= $break; |
} |
$length = $token_length; |
} |
} elseif ($token === "\n") { |
// hard break must reset counters |
$length = 0; |
} |
$_previous = $_space; |
// add the token |
$t .= $token; |
} |
} |
return $t; |
} |