nopaste.us - no paste

<?$g=$_GET;$d=@join('',@file('d'));if(@$g[p]){$i="<input";echo"<form>$i name=y>$i name=z>$i type=submit>";}if(@$g[y]){$t=date('c');$d="$g[y]($t)<p>$g[z]<p>$d";file_put_contents('d',$d);}echo"<br>$d";