<?php
    require_once 'conn.php';

    if(ISSET($_POST['save'])){
        if(!empty($_POST['firstname']) && !empty($_POST['lastname']) && !empty($_POST['address']) && !empty($_POST['job'])){
            $firstname = $_POST['firstname'];
            $lastname = $_POST['lastname'];
            $address = $_POST['address'];
            $job = $_POST['job'];

            $conn->query("INSERT INTO `member` VALUE('', '$firstname', '$lastname', '$address', '$job')") or die(mysqli_errno());
            header('location: index.php');

        }else{
            echo "<script>alert('Please complete the required field!')</script>";
            echo "<script>window.location = 'index.php'</script>";
        }
    }
?>