<html>
<body>
<?php
if(isset($_POST['login'])) {
$username = $_POST['username'];
$password = $_POST['password'];
$con = mysqli_connect("localhost","compsec","compsec","mydb");
$result = mysqli_query($con, "SELECT * FROM `users` WHERE username='$username' AND password='$password'");
if(mysqli_num_rows($result) == 0) {
echo 'You have entered an invalid username and/or password';
} else {
echo '<h1>Successfully logged in.</h1><p>This text will only be displayed when you have logged in with valid credentials.</p>';
}
}
else
{
?>
<form action="" method="post">
Username: <input type="text" name="username"/><br />
Password: <input type="password" name="password"/><br />
<input type="submit" name="login" value="Login"/>
</form>
<?php
}
?>
</body>
</html>
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- <html>
<body>
<form action="" method="post">
Username: <input type="text" name="username"/><br />
Password: <input type="password" name="password"/><br />
<input type="submit" name="login" value="Login"/>
</form>
</body>
</html>
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
<html>
<body>
<form action="" method="post">
Username: <input type="text" name="username"/><br />
Password: <input type="password" name="password"/><br />
<input type="submit" name="login" value="Login"/>
</form>
</body>
</html>
preferences:
315.02 ms | 402 KiB | 447 Q