Untitled

<?php
?>
    <!DOCTYPE html>
    <html lang="sv">

    <head>
        <meta charset="utf-8" />
        <title></title>
        <link rel="stylesheet" href="">
    </head>

    <body>
        <?php
        $inloggad = false;

    if(isset($_POST["user"]) && isset($_POST["pass"])) {
        $user = $_POST["user"];
        $pass = $_POST["pass"];

        $user = trim($user);
        $pass = trim($pass);

        $user = strtolower($user);
        $pass = strtolower($pass);


        /* $fil = fopen("C:/xampp/htdocs/users.txt", "r") or die("Kunde inte öppna fil");
        if ($fil) {
            while (($rad = fgets($fil, 4096)) !== false) {
                $rad = trim($rad);
                $ord = explode(':', $rad);
                if($user == $ord[0] && password_verify($pass, $ord[1])){
                    echo "<p>Du är nu inloggad!</p>";
                    $inloggad = true;
                }
            }
            if (!feof($fil)) {
                echo "Error: unexpected fgets() fail\n";
            }
            fclose($fil);
        }*/

        $rader = file("C:/xampp/htdocs/users.txt" , "r");
        foreach ($rader as $rad) {

        }

    }
        if (!$inloggad ){
            if (isset($user) && isset($pass)) {
            echo "<h1>Fel användarnamn eller lösenord! Försök igen.</h1>";
            }
            ?>
            <form method="post">
                <h2>Logga In</h2>
                <label>Username: </label>
                <input type="text" name="user">
                <br>
                <label>Password: </label>
                <input type="password" name="pass">
                <br>
                <input type="submit">
            </form>
            <?php
        }
?>
</body>
</html>