mirror of https://github.com/friendica/friendica
83 lines
2.8 KiB
PHP
83 lines
2.8 KiB
PHP
<?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) {
|
|
$length = 0;
|
|
continue;
|
|
}
|
|
} else if ($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;
|
|
}
|
|
|
|
}
|
|
?>
|