<?php
if(isset($_GET["file"])){
$url=urlencode(ltrim($_get["file"],"/"));

$username="username";
$password="password";
$database="pica";

mysql_connect(localhost,$username,$password);
@mysql_select_db($database) or die( "Unable to select database");
$result=mysql_query("SELECT * FROM pica WHERE c_url =".$url);
mysql_close();

echo mysql_result($result,0);
?>