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# session_start

(PHP 4 >= 4.0.0)

session_start -- Initialize session data

## Description

``bool session_start` (void)`

session_start() creates a session (or resumes the current one based on the session id being passed via a GET variable or a cookie).

If you want to use a named session, you must call session_name() before calling session_start().

This function always returns `TRUE`.

> Note: If you are using cookie-based sessions, you must call session_start() before anything is output to the browser.

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