Penggunaan fungsi GETAPPLICATION pada PHP

How we can get the logged in user information and session information from external php script with Joomla-4.x?

Table of Contents

• Starting a session
• Displaying or using a session variable
• Displaying all the session variable.
• Creating a session variable
• Checking Session presence
• Destroying the session
• Session Duration
• How do I find my session username?
• What is PHP session ID?
• How can I see user details in PHP?
• How can I access session variable in PHP?

The below code working with Joomla 3.x and doesn't working with Joomla-4.x

define( '_JEXEC', 1 );
define( 'JPATH_BASE', realpath(dirname(__FILE__).'/../..' ));
require_once ( JPATH_BASE .'/includes/defines.php' );
require_once ( JPATH_BASE .'/includes/framework.php' );
$mainframe = JFactory::getApplication('site');
$mainframe->initialise();
$session = JFactory::getSession();
jimport( 'joomla.application.module.helper' );
 
$session = $session->getId();
$db = JFactory::getDbo();
$user =& JFactory::getUser();
$userid= $user->id;

asked Sep 18, 2021 at 13:54

1

The below code is mostly from Joomla's /includes/app.php but without the last line. The last few lines then get information about the user and the user session.

<?php
define('_JEXEC', 1);
define('JPATH_BASE', __DIR__);
require_once JPATH_BASE . '/includes/defines.php';
require_once JPATH_BASE . '/includes/framework.php';

// Boot the DI container
$container = \Joomla\CMS\Factory::getContainer();

/*
 * Alias the session service keys to the web session service as that is the primary session backend for this application
 *
 * In addition to aliasing "common" service keys, we also create aliases for the PHP classes to ensure autowiring objects
 * is supported.  This includes aliases for aliased class names, and the keys for aliased class names should be considered
 * deprecated to be removed when the class name alias is removed as well.
 */
$container->alias('session.web', 'session.web.site')
    ->alias('session', 'session.web.site')
    ->alias('JSession', 'session.web.site')
    ->alias(\Joomla\CMS\Session\Session::class, 'session.web.site')
    ->alias(\Joomla\Session\Session::class, 'session.web.site')
    ->alias(\Joomla\Session\SessionInterface::class, 'session.web.site');

// Instantiate the application.
$app = $container->get(\Joomla\CMS\Application\SiteApplication::class);

// Set the application as global app
\Joomla\CMS\Factory::$application = $app;

$userInfo = \Joomla\CMS\Factory::getApplication()->getSession()->get('user');
$userSession = \Joomla\CMS\Factory::getApplication()->getSession();

Disclaimer: Most of the information in this post was derived from https://gist.github.com/PhilETaylor/0c36d87da0f2ad231b378b47c54cfb9b

answered Oct 11, 2021 at 11:05

TryHarderTryHarder

2,3304 gold badges20 silver badges46 bronze badges

Sessions are used in PHP in various types of applications to pass data and maintain state of the user. If you are using any membership system where user has to login then after verification we have to keep the login status throughout, so we can maintain the authenticity. To do this we have to use session variables as we will store the userid inside this. Similarly for a shopping cart script we have to store the selected items of the user in session variable and display it to the visitor when required. Sessions are the unique link between the user and the server so all actions of the user can be personalized to the user and handled by the server.

PHP Session variable creating checking and destroying using session_start() using userid and name

Please note that session are handled differently in PHP 5 and above so we will stick to this version only. If you are using PHP 4 then there is small difference in functions ( or syntax ) but the basic concept remains same.

Starting a session

session_start();
$userid="plus2net";
$_SESSION['userid']=$userid; // created session variable

Displaying or using a session variable

echo "Welcome $_SESSION[userid]";

Welcome plus2net

We can check the existence of session with userid at every page level which are supposed to be used by logged in members.

if(isset($_SESSION['userid']) && !empty($_SESSION['userid'])) {
 echo " session  is available, Welcome $_SESSION[userid] ";
}else{
 echo " No Session , Please Login ";
exit;
}

Displaying all the session variable.

Creating a session variable

$_SESSION['name']="Ronny";

while (list ($key, $val) = each ($_SESSION)) { 
echo "$key -> $val <br>"; 
} 

userid -> plus2net 
name -> Ronny

Checking Session presence

if (isset($_SESSION['userid']&& !empty($_SESSION['userid']))) {
// Welcome message 
}else {
// Ask the user to login
}

Destroying the session

session_unset();
session_destroy();

Session Duration

session.gc_maxlifetime = 1440

Assigning unique number to the Session by using session_id

How do I find my session username?

$_SESSION['loggedin'] = $row[$this->pass_column]; $_SESSION['userlevel'] = $row[$this->user_level]; What you have to do is add the $username to the session that is passed into the login function, like below; $_SESSION['username'] = $username; The username will now be stored in the session with the key username.

What is PHP session ID?

session_id() is used to get or set the session id for the current session. The constant SID can also be used to retrieve the current name and session id as a string suitable for adding to URLs. See also Session handling.

How can I see user details in PHP?

The register. php page asks for the desired username, email, and password of the user, and then sends the entered data into the database, once the submit button is clicked. After this, the user is redirected to the index. php page where a welcome message and the username of the logged-in user is displayed.

How can I access session variable in PHP?

Starting a PHP Session It is recommended to put the call to session_start() at the beginning of the page. Session variables are stored in associative array called $_SESSION[]. These variables can be accessed during lifetime of a session.