Using PHP Sessions in WordPress

In this post, we’ll be discussing how to use PHP sessions in WordPress using a simple code snippet. This can be useful for those who want to store user-specific data, such as cart information or form data, for use on multiple pages of their website.

The code snippet uses the init action hook and a custom function named php_session to start a PHP session on the frontend of your website.

	<?php
	add_action( 'init', 'php_session' );
	/**
	* Start php session.
	*/
	function php_session() {
	if ( session_status() !== PHP_SESSION_ACTIVE ) {
	session_start();
	}
	}

view raw Using PHP Sessions in WordPress.php hosted with by GitHub

The init action hook is used to execute the php_session function at the beginning of the page load process, ensuring that the session is active before any other code is executed. The php_session function uses the session_status() function to check the current session status and the session_start() function to start a new session if one is not already active.

It’s worth noting that starting a PHP session on the frontend of your website can have security implications, so it’s important to be careful when storing and handling user-specific data in a session. Additionally, it is important to make sure that the session is closed properly when it is no longer needed.

Summary:

By adding this code snippet to your functions.php file, you can easily start a PHP session on the frontend of your WordPress website. This can be useful for those who want to store user-specific data, such as cart information or form data, for use on multiple pages of their website.