I have a unix timestamp in the database. I need to figure out the timestamp for that date/time minus 15 minutes.
I've been playing with strtotime() but with no success. Any ideas or pointers would be welcome. I've spent my entire morning trying to get this to work.
THANK YOU in advance.
Well, I was complicating things a lot more than necessary.
For anyone in a similar position. 15 minutes = "900" in a timestamp. So I just substracted 900 from the timestamp to get the time minus 15 minutes.