Untitled

<?php

$db_host = 'localhost';
$db_user = 'root';
$db_pass = null;
$db_name = 'simple';

$conn = new mysqli($db_host, $db_user, $db_pass, $db_name);

if ($conn->connect_error) {
    die('Connection failed: ' . $conn->connect_error);
}

if ($_SERVER['REQUESTED_METHOD'] == 'POST') {
    $username = $_POST['username'];
    $password = $_POST['password'];

    $sql = "SELECT username, password FROM users WHERE username = $username LIMIT 1";
    $user = $conn->query($sql);

    if ($user) {
        if (password_verify($password, $user['password'])) {
            echo 'Sekmingai prisijungete';
        } else {
            echo 'Blogi duomenys';
        }
    } else {
        echo 'Blogi duomenys';
    }
}

?>

<!DOCTYPE html>
<html>
<head>
    <title>Login</title>
</head>
<body>
    <form method="POST">
        <label for="username"></label>
        <input id="username" type="text" name="username">

        <label for="password"></label>
        <input id="password" type="password" name="password">

        <button>Login</button>
    </form>
</body>
</html>