多个用户名和密码登录[重复]

Question

This question already has an answer here:

• Use array in PHP to compare username/password 1 answer
• PHP Login with Username/Password 2 answers
• Making username and userid into an array 5 answers
• Easy login script without database 10 answers
• Best way to store password in database [closed] 8 answers

How do I edit login.php below to add some usernames and passwords? For example, username1 with password1, username2 with password2, etc. Please help me. thanks

<?php
    $error = "";
    if(isset($_POST['username'],$_POST['password'])){
        /*** You can change username & password ***/
        $user = array(
            "user" => "username1",
            "pass"=> "password1"
        );
        $username = $_POST['username'];
        $pass = $_POST['password'];
        if ($username == $user['user'] && $pass == $user['pass']) {
            session_start();
            $_SESSION['simple_login'] = $username;
            header("Location: index.php");
            exit();
        } else {
            $error = '<div class="alert alert-danger alert-dismissible fade in" role="alert">
                <a href="#" class="close" data-dismiss="alert" aria-label="close">&times;</a>Invalid Username or Password !
            </div>';
        }
    }
?>

</div>

Answer 1

add more users to the array, and an easier structure would be

$user = array('bob'=>'bobspassword','kim'=>'kimspassword');

then check:

if(isset($user[$_POST['username']]) && $user[$_POST['username']]==$_POST['password']){
echo 'in';
}