session_start

(PHP 4 )

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.

session_start() will register internal output handler for URL rewriting when trans-sid is enabled. If a user uses ob_gzhandler or like with ob_start(), the order of output handler is important for proper output. For example, user must register ob_gzhandler before session start.

Note: Use of zlib.output_compression is recommended rather than ob_gzhandler