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i'm kinda new in PHP and I have some issues. When I'm logged in on my website I want to hide the 'Login' and 'Register' button, and when I'm logged out I want to hide the 'logout' button.
This is my login.php page:
<?php
include "navbar.php";
?>
<?php
include_once "check.php";
$error = ""; //Variable for storing our errors.
if(isset($_POST["submit"]))
{
if(empty($_POST["username"]) || empty($_POST["password"]))
{
$error = "Both fields are required.";
}else
{
// Define $username and $password
$username=$_POST['username'];
$password=$_POST['password'];
// To protect from MySQL injection
$username = stripslashes($username);
$password = stripslashes($password);
$username = mysqli_real_escape_string($db, $username);
$password = mysqli_real_escape_string($db, $password);
$password = md5($password);
//Check username and password from database
$sql="SELECT uid FROM users WHERE username='$username' and password='$password'";
$result=mysqli_query($db,$sql);
$row=mysqli_fetch_array($result,MYSQLI_ASSOC);
//If username and password exist in our database then create a session.
//Otherwise echo error.
if(mysqli_num_rows($result) == 1)
{
$_SESSION['username'] = $username;
header("location: index.php");
}else
{
$error = "Incorrect username or password.";
}
}
}
?>
<html>
<head>
<link rel="stylesheet" type="text/css" href="assets/css/acc.css">
<link rel="stylesheet" type="text/css" href="assets/css/acc2.css">
<link rel="stylesheet" type="text/css" href="assets/css/navbar.css">
<title>Login | Peerbolte-ICT</title>
</head>
</body>
<section>
<p style="color:red;"><?php echo $error; ?> </p>
<form method="POST" action="">
<div class="accPanel">
<h1 style="color: black; padding-bottom: 5%;">Login</h1>
<form method="POST" action="">
<div class="login-input">
<label class="accLabel"><b>Username<span style="color:red;">*</span></b></label>
<input type="text" placeholder="Enter Username" name="username" required>
<label class="accLabel"><b>Password<span style="color:red;">*</span></b></label>
<input type="password" placeholder="Enter Password" name="password" required>
<button class="submitButton" type="submit" name="submit">Login</button>
</div>
</form>
</div>
</section>
</body>
</html>
And this is my navbar.php where the buttons are:
<ul>
<li><a href="index.php">Home</a></li>
<li><a href="#bannerTwo">Services</a></li>
<li class="dropdown">
<a href="javascript:void(0)" class="dropbtn">Our Work</a>
<div class="dropdown-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</li>
<li class="dropdown">
<a href="javascript:void(0)" class="dropbtn">Account</a>
<div class="dropdown-content">
<a href="login.php">Login</a>
<a href="register.php">Register</a>
<a href="logout.php">Logout</a>
</div>
</li>
</ul>
Thanks
878
asked Aug 31 '25 01:08
you can display your link based on condition. check session for that if user login you get session value on base of that logic you can put condition like below:
<?php if( isset($_SESSION['username']) && !empty($_SESSION['username']) )
{
?>
<a href="logout.php">Logout</a>
<?php }else{ ?>
<a href="login.php">Login</a>
<a href="register.php">Register</a>
<?php } ?>
Note: make your you start session in file.
195
You can use sessions to check if a user is logged in or logged out.
$_SESSION['status'] = 1;//if logged in
$_SESSION['status'] = 0;//if logged out
To hide the links, you can use this:
<a href="login.php" <?php echo ($_SESSION['status'] == 1) ? 'style="display:none;"' : '' ?> >Login</a>
<a href="register.php" <?php echo ($_SESSION['status'] == 1) ? 'style="display:none;"' : '' ?>>Register</a>
<a href="logout.php" <?php echo ($_SESSION['status'] == 0) ? 'style="display:none;"' : '' ?>>Logout</a>
And don't forget to the put session_start() so that you can use sessions
25
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