<?php
$servername = "localhost";
$username = "root";
$password = "2";
$dbname = "suprano";

try {
    $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);
    // set the PDO error mode to exception
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    $sql = "INSERT INTO gebruikers (users_username, users_password, users_firstname, users_surname, users_email)
    VALUES ('Bonk','" . password_hash("hond123", PASSWORD_DEFAULT). "', 'Berkay', 'Yilmaz', 'berkaybedri@outlook.com')";
    // use exec() because no results are returned
    $conn->exec($sql);
    echo "New record created successfully";
}
catch(PDOException $e)
{
    echo $sql . "<br>" . $e->getMessage();
}

$conn = null;
?>