[PHP]中文内容截断函数

<?php
function the_content_strip($content,$len)
{
 
	$content = preg_replace('@<!--
]*?>.*?
// -->@si', '', $content);
	$content = preg_replace('@<!--
]*?>.*?
-->@si', '', $content);
	$content = mb_strimwidth($content,0,$len,'...','utf-8');
	$content = strip_tags($content);
 
	return $content;
}
?>