<?PHP
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "sunil_electronics";
$conn = new mysqli($servername, $username, $password, $dbname);
$sql = "SELECT p_id FROM inquirycart WHERE p_id='$pid'";
$result = $conn->query($sql);



    // output data of each row
    $row = $result->fetch_assoc();
        $id=$row['p_id'];

        if ($id==$pid) {
    header('Location: '.$url.'&key1='.$key.'&info=info');
} else {
$sql1 = "INSERT INTO inquirycart (p_id,p_name, p_image)
SELECT p_id,p_name, p_image FROM $key
WHERE p_id='$pid'";
$result1 = $conn->query($sql1);

         header('Location: '.$url.'&key1='.$key.'&succ=succ');
}

?>