过滤UBB代码的php类

class Day{
   function ubb($Text) {      /// UBB代码转换
        //$Text=htmlspecialchars($Text);
        //$Text=ereg_replace("
","
",$Text);
        $Text=ereg_replace("[br]","
",$Text);
        $Text=nl2br($Text);
        $Text=stripslashes($Text);
        $Text=preg_replace("/\t/is"," ",$Text);
        $Text=preg_replace("/[url](http://.+?)[/url]/is","",$Text);
        $Text=preg_replace("/[url](.+?)[/url]/is","",$Text);
        $Text=preg_replace("/[url=(http://.+?)](.+?)[/url]/is","",$Text);
        $Text=preg_replace("/[url=(.+?)](.+?)[/url]/is","",$Text);
        $Text=preg_replace("/[color=(.+?)](.+?)[/color]/is","",$Text);
        $Text=preg_replace("/[font=(.+?)](.+?)[/font]/is","",$Text);
        $Text=preg_replace("/[email=(.+?)](.+?)[/email]/is","",$Text);
        $Text=preg_replace("/[email](.+?)[/email]/is","",$Text);
        $Text=preg_replace("/[i](.+?)[/i]/is","",$Text);
        $Text=preg_replace("/[u](.+?)[/u]/is","",$Text);
        $Text=preg_replace("/[b](.+?)[/b]/is","",$Text);
        $Text=preg_replace("/[fly](.+?)[/fly]/is","",$Text);
        $Text=preg_replace("/[move](.+?)[/move]/is","",$Text);
        $Text=preg_replace("/[shadow=([#0-9a-z]{1,10}),([0-9]{1,3}),([0-9]{1,2})](.+?)[/shadow]/is","",$Text);
        return $Text;
        }
 
 }