'How to notify or send acknowledgement to user that he/she is registered or not without email

I'm making a college alumni system that manages alumni. Admin sends the acknowledgment to a person who has done registration. And after registration, the request goes to admin if the admin allows then that person can log in.

But how do send an acknowledgment that the request has been approved or denied without email, I'm using the old version of wamp and PHP and I don't have enough time to install the new one due to the submission date.



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