I’ve seen this question so many times. There are many tutorials out there explaining why we should be using mysql_ functions in PHP. I remember a time in PHP, when this was the only way to interact with your MySQL databases.
It’s a beautiful day, you make it to work and all of a sudden, out of no where, see PHP Notices like Notice: Undefined Variable, Notice: Undefined index, or Notice: Undefined offset. These errors might look something like the example below:
As I’ve been monitoring my incoming requests, I’ve noticed that there has been a huge number of requests to my website related to the page /.well-known/apple-app-site-association.