Sessions and Variables in PHP

The only way for any variable, (apache, environment, php) to remain set the next time the page is loaded is to create a session. Use start_session(); on the top of each page. It is not only necessary to START a session, but also necessary to RESUME a session. The reloading of a page is an example of when RESUME using start_session(); will be necessary to have access to those variable values.

start_session();

Start or resume a session.

reference: http://nl3.php.net/manual/en/function.session-start.php

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