<?php
    ob_start();
    require_once 'conn.php';
    if(ISSET($_POST['save'])){
        $firstname = $_POST['firstname'];
        $lastname = $_POST['lastname'];
        $address = $_POST['address'];
        $skill = addslashes(implode(", ", $_POST['skill']));

        $stmt = mysqli_stmt_init($conn);
        if(mysqli_stmt_prepare($stmt, "INSERT INTO `member` VALUES('', ?, ?, ?, ?)")){
            mysqli_stmt_bind_param($stmt, "ssss", $firstname, $lastname, $address, $skill);
            mysqli_stmt_execute($stmt);
            mysqli_stmt_close($stmt);

            header("location:index.php");
        }

    }
?>