自定义函数解决帝国cms的简介截取字符时出现html的问题

//去除HTML标记 
function NoHTML($string){ 
$string = preg_replace("'<script[^>]*?>.*?</script>'si", "", $string);//去掉javascript 
$string = preg_replace("'<[\/\!]*?[^<>]*?>'si", "", $string); //去掉HTML标记 
$string = preg_replace("'([\r\n])[\s]+'", "", $string); //去掉空白字符 
$string = preg_replace("'&(quot|#34);'i", "", $string); //替换HTML实体 
$string = preg_replace("'&(amp|#38);'i", "", $string); 
$string = preg_replace("'&(lt|#60);'i", "", $string); 
$string = preg_replace("'&(gt|#62);'i", "", $string); 
$string = preg_replace("'&(nbsp|#160);'i", "", $string); 
return $string; 
}