How can I tell if a user is logged in PHP?

How do we check if a user is logged in PHP?

php session_start(); include "db. php"; $username = $_POST["username"]; $password = $_POST["password"]; $sql = "SELECT email, password FROM users WHERE email = '$username' and password = md5('$password')"; $result = mysql_query($sql, $link); if($result == false) { echo '<a href="login.

Which PHP function is used to make a user logged out from a website?

That is, the $_SESSION[“member_id”] is set to manage the logged-in session. It will remain until log out or quit from the browser. While logout, we unset all the session variables using PHP unset() function.

How can I log a user in PHP?

1Step 1- Create a HTML PHP Login Form. To create a login form, follow the steps mentioned below: ... 2Step 2: Create a CSS Code for Website Design. ... 3Step 3: Create a Database Table Using MySQL. ... 4Step 4: Open a Connection to a MySQL Database. ... 5Step 5 - Create a Logout Session. ... 6Step 6 - Create a Code for the Home Page.Guide to Create a Login Form in PHP [Updated] - Simplilearn