asdasd

<?php
$connect=include("db_connect.php");
$login = '';
$password = '';
$errorLogin = '';
$errorPassword = '';
$password_2 = '';
$errorSamePassword = '';
$registered = '';
$loginNotFree = '';


if ( isset( $_POST['register'] ) ) {
	$login = $_POST['login'];
    $password = $_POST['password'];
    $password_2 = $_POST['password_2'];

	if ( $login && strlen($login) < 4 ) {
        $errorLogin = 'Login musi zawierać minimum 4 znaki';
        $result = mysqli_query($mysqli,"SELECT FROM users WHERE login = '$login'");

    echo $result;
    }

    if ( $password && strlen($password) < 6 ) {
		$errorPassword = 'Hasło musi zawierać minimum 6 znaków';
    }

    if ( $password != $password_2 ) {
        $errorSamePassword = 'Hasło musi być takie samo';
    }


}
?>

    <!DOCTYPE html>
    <html>

    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Literature Community</title>
        <link rel="stylesheet" href="../bootstrap/css/bootstrap.min.css">
        <link rel="stylesheet" href="../fontawesome-free-5.0.13/web-fonts-with-css/css/fontawesome-all.css">
        <link rel="stylesheet" href="../css/styles.css">
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css">
    </head>

    <body>
        <div>
                <?php include("db_connect.php"); ?>
                <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>" class="text-center">

                    <?php if ( $registered == 1 ) {
                        $statement = $mysqli->prepare("INSERT users (login,password) VALUES (?,?)");
                        $statement->bind_param("ss",$login,$password);
                        $statement->execute();
                        $statement->close(); ?>
							<div class="ui message">
                                <div class="header">Rejestracja przebiegła pomyślnie!</div>
                                <p>Za chwilę zostaniesz przekierowany na stronę główną</p>
							</div>
                        <?php  header( "refresh:5;url=../../index.php" ); } ?>

                    <img src="../img/default-avatar.png" alt="Avatar" class="login-avatar">

                    <label for="login"><b>Podaj login</b></label>
                    <?php if ( $errorLogin != null) { ?>
								<span style="color:black;" class="ui red label">
									<?php echo $errorLogin; ?>
								</span>
                            <?php } ?>
                            <?php if ( $loginNotFree != null) { ?>
								<span style="color:black;" class="ui red label">
									<?php echo $loginNotFree; ?>
								</span>
							<?php } ?>
                    <input class="form-control" type="text" placeholder="Wpisz login" name="login" required>

                    <label for="password"><b>Podaj hasło</b></label>
                    <?php if ( $errorPassword != null ) { ?>
								<span style="color:black;" class="ui red label">
									<?php echo $errorPassword; ?>
								</span>
							<?php } ?>
                    <input class="form-control" type="password" placeholder="Wpisz hasło" name="password" required>

                    <label for="password"><b>Powtórz hasło</b></label>
                    <?php if ( $errorSamePassword != null ) { ?>
								<span style="color:black;" class="ui red label">
									<?php echo $errorSamePassword; ?>
								</span>
							<?php } ?>
                    <input class="form-control" type="password" placeholder="Powtórz hasło" name="password_2" required>

                    </br>
                    <button class="btn btn-info" type="submit" name="register">Zarejestruj</button>
                </form>
        </div>

        <script src="../js/jquery.min.js "></script>
        <script src="../bootstrap/js/bootstrap.min.js "></script>


    </body>

    </html>


<!--plik db_connect -->

<?php

$dbServer = 'localhost';
$dbUser = 'root';
$dbPassword = '';
$dbName = 'community';

$mysqli = new mysqli($dbServer,$dbUser,$dbPassword,$dbName);
$mysqli->set_charset("utf8");
if( mysqli_connect_errno() ){
    echo 'Błąd bazy danych';
}