PHP Cookie And Authentication

You can use cookies to easily administrate a website. In fact, I used one cookie on this website so that I see additional links like: edit, add, delete, etc. The basic strategy is to use it like an authentication. In essence, you want code like...

if($password="123")
   setCookie("isAuthenicated",1);

Then, in your web page, you might want to have a code snippet like...

if(isset($_COOKIE['isAuthenticated'])){
    if($_COOKIE['isAuthenticated']==1)
        echo "This is an admistrative feature.";
    else
        header("Location= login.php");
}

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