When track_vars is on, it creates some associative arrays, the most important here is: $_POST (this used to be called $HTTP_POST_VARS in PHP versions prior 4.1.0).
When track_vars is on, it creates some associative arrays, the most important here is: $_POST (this used to be called $HTTP_POST_VARS in PHP When track_vars is on, it creates some associative arrays, the most important here is: $_POST (this used to be called $HTTP_POST_VARS in PHP versions prior 4.1.0).