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This Snippet will check and see if if a user is logged in or not.

functions.php


<?php
function loggedIn(){
    
//Session logged is set if the user is logged in
    //set it on 1 if the user has successfully logged in
    //if it wasn't set create a login form
    
if(!$_SESSION['loggd']){
        echo
'<form action="checkLogin.php" method="post">
        <p>
            Username:<br>
            <input type="text" name="username">
        </p>
        <p>
            Password:<br>
            <input type="password" name="username">
        </p>
        <p>
            <input type="submit" name="submit" value="Log In">
        </p>
        </form>'
;
        
//if session is equal to 1, display 
        //Welcome, and whaterver their user name is
    
}else{
        echo 
'Welcome, '.$_SESSION['username'];
    }
}
?>

index.php


<?php
//Start the session
session_start();

//This is a simplified HTML Document
?>
<html>
<head>
<title>My Page</title>
</head>
<body>
    <?php
    
//Call the functions file
    
require_once("functions.php");
    
//Display either the user's name, or the login form
    //This can be placed on many pages without having
    //to re-write the form everytime, just use this function
    
logedIn();
    
?>
</body>
</html>
 
Snippet Comments

Add Your Comment

Search Engine Optimization
2008-08-28 00:00:00
I'm still learning php so any information I find is great. Thanks for the great post.
pedantic arse
2008-08-27 00:00:00
its logged not loged

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