* Name: truncate
* Purpose: Truncate a string to a certain length if necessary,
* optionally splitting in the middle of a word, and
* appending the $etc string or inserting $etc into the middle.
* @link http://smarty.php.net/manual/en/language.modifier.truncate.php
* truncate (Smarty online manual)
* @author Monte Ohrt
* @param string
* @param integer
* @param string
* @param boolean
* @param boolean
* @return string
*/
function smarty_modifier_truncate($string, $length = 80, $etc = '...',
$break_words = false, $middle = false)
{
if ($length == 0)
return '';
if (mb_strlen($string, utf8) > $length) {
//if (strlen($string) > $length) {
$length -= mb_strlen($etc, utf8);
//$length -= strlen($etc);
if (!$break_words && !$middle) {
$string = mb_ereg_replace('/\s+?(\S+)?$/', '', mb_substr($string, 0, $length+1, utf8), utf8);
//$string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length+1));
}
if(!$middle) {
return mb_substr($string, 0, $length, utf8).$etc;
//return substr($string, 0, $length).$etc;
} else {
return mb_substr($string, 0, $length/2, utf8) . $etc . mb_substr($string, -$length/2, utf8);
//return substr($string, 0, $length/2) . $etc . substr($string, -$length/2);
}
} else {
return $string;
}
}
/* vim: set expandtab: */
?>