Simple Login In PHP Without A Database (ok)
https://www.youtube.com/watch?v=C_Q33tOWejw
C:\xampp\htdocs\code\index.php
<?php
session_start();
if(!$_SESSION['user']) {
header("Location: login.php");
exit();
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<p>Wellcome Home Page</p>
<form action="protect.php" method="post">
<input type="hidden" name="logout" value="1"/>
<input type="submit" value="Logout"/>
</form>
</body>
</html>C:\xampp\htdocs\code\check.php
<?php
// (A) START SESSION
session_start();
// (B) HANDLE LOGIN
if (isset($_POST["user"]) && !isset($_SESSION["user"])) {
// (B1) USERS & PASSWORDS - SET YOUR OWN !
$users = [
"lionel" => "123456",
"jon" => "654321",
"joy" => "987654"
];
// (B2) CHECK & VERIFY
if (isset($users[$_POST["user"]])) {
if ($users[$_POST["user"]] == $_POST["password"]) {
$_SESSION["user"] = $_POST["user"];
}
}
// (B3) FAILED LOGIN FLAG
if (!isset($_SESSION["user"])) { $failed = true; }
}
// (C) REDIRECT USER TO HOME PAGE IF SIGNED IN
if (isset($_SESSION["user"])) {
header("Location: index.php"); // SET YOUR OWN HOME PAGE!
exit();
}C:\xampp\htdocs\code\login.php
<?php
// (A) LOGIN CHECKS
require "check.php";
// (B) LOGIN PAGE HTML ?>
<!DOCTYPE html>
<html>
<head>
<title>Login Page Demo</title>
<link href="login.css" rel="stylesheet">
</head>
<body>
<?php if (isset($failed)) { ?>
<div id="bad-login">Invalid email or password.</div>
<?php } ?>
<form id="login-form" method="post" target="_self">
<h1>PLEASE SIGN IN</h1>
<label for="user">User</label>
<input type="text" name="user" required/>
<label for="password">Password</label>
<input type="password" name="password" required/>
<input type="submit" value="Sign In"/>
</form>
</body>
</html>C:\xampp\htdocs\code\protect.php
<?php
// (A) START SESSION
session_start();
// (B) LOGOUT REQUEST
if (isset($_POST["logout"])) { unset($_SESSION["user"]); }
// (C) REDIRECT TO LOGIN PAGE IF NOT LOGGED IN
if (!isset($_SESSION["user"])) {
header("Location: login.php");
exit();
}C:\xampp\htdocs\code\login.css
/* (A) WHOLE PAGE */
html, body { font-family: arial, sans-serif; }
/* (B) LOGIN FORM */
#login-form {
padding: 20px;
background: #f2f2f2;
max-width: 320px;
margin: 0 auto;}#login-form h1 {
font-size: 1.5em;
margin: 0;
color: #9b9b8d;
}
#login-form label, #login-form input {
box-sizing: border-box;
display: block;
width: 100%;
margin-top: 10px;
}
#login-form input { padding: 10px; }
#login-form input[type=submit] {
background: #ad4343;
color: #fff;
border: 0;
cursor: pointer;
}
/* (C) INVALID LOGIN */
#bad-login {
padding : 10px;
margin-bottom: 10px;
background: #ffe7e7;
border: 1px solid #ff3e3e;
color: #c10000;
font-weight: bold;
}Last updated
