<?php
    $servername = "localhost";
    $username = "root";
    $password = "";
    $dbname= "test";
    $conn = new mysqli($servername,$username,$password,$dbname);

    if($conn->connect_error){
    die("connection failed:" .$conn->connect_error);
    }
    else{
        echo "Connected successfully";
    }
    $selected = mysqli_select_db($conn,$dbname);



        $first_name = $_POST['first_name'];
        $last_name = $_POST['last_name'];
        $email = $_POST['email'];
        $mobile = $_POST['mobile'];
        $address = $_POST['address'];
        //$gender = $_POST['male'];
        //$gender = $_POST['female'];

    $sql =  "INSERT INTO test1 (first_name,last_name,email,mob,home_address) VALUES ('$first_name','$last_name','$email','$mobile','$address')";

    var_dump($sql);
    ?>