A cron job won't be able to access cookies, since by definition it is not being invoked from a web browser request. Only the web browser stores a cookie, which contains the session id. No web browser, no cookie, no session.
Having said that, if you do know the session id somehow, you should be able to start the session manually by feeding the id into session_id()
before using session_start()
.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…