function ubbfirebox($Text) {      /// UBB过滤掉
        $Text=preg_replace("/\[br\]/is","",$Text);
        $Text=preg_replace("/\\t/is","",$Text);
		$Text=preg_replace("/\[url\](http:\/\/.+?)\[\/url\]/is","<a href=\"\\1\" target=\"new\"><u>\\1</u></a>",$Text);
        $Text=preg_replace("/\[url\](.+?)\[\/url\]/is","<a href=\"http://\\1\" target=\"new\"><u>\\1</u></a>",$Text);
        $Text=preg_replace("/\[url=(http:\/\/.+?)\](.+?)\[\/url\]/is","<a href=\"\\1\" target=\"new\"><u>\\2</u></a>",$Text);
        $Text=preg_replace("/\[url=(.+?)\](.+?)\[\/url\]/is","<a href=\"http://\\1\" target=\"new\"><u>\\2</u></a>",$Text);
        $Text=preg_replace('/\[attach](.+?)\[\/attach\]/is', '', $Text);
        $Text=preg_replace('/\[img](.+?)\[\/img\]/is', '', $Text);
        $Text=preg_replace('/\[size](.+?)\[\/size\]/is', '', $Text);
		$Text=preg_replace("/\s+/", " ", $Text); //过滤多余回车		
        return $Text;
    }这是我用到的,希望能帮助到您
 
                                                                
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