php实现过滤UBB代码的类_php技巧

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

\\4

",$Text);
        return $Text;
  }
}