function DeleteHtml($str)
{
$str = trim($str);
$str = strip_tags($str,"");
$str = ereg_replace("\t","",$str);
$str = ereg_replace("\r\n","",$str);
$str = ereg_replace("\r","",$str);
$str = ereg_replace("\n","",$str);
$str = ereg_replace(" "," ",$str);
return trim($str);
}
可以根据需要对这个函数进行扩充修改。PHP 清除HTML代码、空格、回车换行符的函数
原文：http://www.jb51.net/article/19298.htm
