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PHP Sessions. Previous Next . A session is a way to store information (in variables) to be used across multiple pages. Unlike a cookie, the information is not stored on the users computer. What is a PHP Session? When you work with an application, you open it, do some changes, and then you close it. This is much like a Session.
Jun 8, 2022 · What is a session? In general, session refers to a frame of communication between two medium. A PHP session is used to store data on a server rather than the computer of the user. Session identifiers or SID is a unique number which is used to identify every user in a session based environment.
session_encode — Encodes the current session data as a session encoded string. session_gc — Perform session data garbage collection. session_get_cookie_params — Get the session cookie parameters. session_id — Get and/or set the current session id. session_module_name — Get and/or set the current session module.
PHP sessions allow you to store data on the web server associated with a session id. Once you create a session, PHP sends a cookie that contains the session id to the web browser.
A PHP session stores data on the server rather than user's computer. In a session based environment, every user is identified through a unique number called session identifier or SID. This unique session ID is used to link each user with their own information on the server like emails, posts, etc.
$_SESSION. (PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8) $_SESSION — Session variables. Description ¶. An associative array containing session variables available to the current script. See the Session functions documentation for more information on how this is used. Notes ¶. Note: This is a 'superglobal', or automatic global, variable.
Feb 16, 2021 · Session handling is a key concept in PHP that enables user information to be persisted across all the pages of a website or app. In this post, you'll learn the basics of session handling in PHP. We'll start with an explanation of how sessions work and how they are related to cookies.
Session support in PHP consists of a way to preserve certain data across subsequent accesses. A visitor accessing your web site is assigned a unique id, the so-called session id. This is either stored in a cookie on the user side or is propagated in the URL.
Sessions are a simple way to store data for individual users against a unique session ID. This can be used to persist state information between page requests. Session IDs are normally sent to the browser via session cookies and the ID is used to retrieve existing session data.
In this complete guide, we’ll cover everything you need to know about PHP session handling, from the basics of session management to more advanced topics like session hijacking prevention and handling multiple sessions.
