If you want to remove values saved in the current session, you should use the unset() function on those saved values in $_SESSION, or use array() to empty $_SESSION: unset($_SESSION['MyColor']) - Removes one value named MyColor in the current session. $_SESSION = array() - Removes all values in the current session. unset($_SESSION) - Bad statement. It may affect the session mechanism.
PHP
Topic: Sessions
How To Remove Values Saved in the Current Session?
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