<?php
$servername = "localhost";
$username = "msarnacki";
$password = "";
$dbname = "msarnacki";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}


$imie=$_POST['imie'];
$nazwisko=$_POST['nazwisko'];
$wiek=$_POST['wiek'];
$plec=$_POST['płeć'];
$sql = "INSERT INTO tb_person (Firstname, Nazwisko, Wiek, Plec)
VALUES ($imie,$nazwisko,$wiek,$plec)";

if ($conn->query($sql) === TRUE) {
    echo "New record created successfully";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

$conn->close();
?>