PHP Sessions and Json: $_SESSION & Starting a Session in PHP | PHP Tutorial Hindi/Urdu part#8

Published: 02 March 2023
on channel: Code Tricks
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In PHP, a session is a way to store information about a user across multiple requests or pages. It allows you to keep track of variables and values that are specific to a particular user or session, and maintain them as the user navigates your website or web application.

To start a session in PHP, you need to call the session_start() function at the beginning of each page that you want to use sessions in. This function creates a new session or resumes an existing one, and allows you to access the data stored in the session.

Once you have started a session, you can set session variables using the $_SESSION superglobal variable.

It's important to note that sessions are usually stored on the server side, so they are generally more secure than storing data in cookies or other client-side storage mechanisms. However, sessions can also be vulnerable to certain types of attacks, so it's important to follow best practices for session management and security when building your PHP applications.

In PHP, a session is a way to store information across different pages of a website, or across different visits by the same user. A session begins when a user first visits a page that starts a session, and continues until the user closes the browser or the session is explicitly destroyed.

To start a session in PHP, you need to call the session_start() function at the beginning of each page where you want to use session variables. This function creates a new session or resumes an existing one if one already exists.

Once the session has started, you can set session variables using the $_SESSION superglobal array.

Therefore, session data is generally considered more secure than cookies, which can be manipulated by the user. However, sessions can be vulnerable to session hijacking attacks if not implemented properly, so it's important to use best practices when working with sessions in PHP.

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