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How do I use ini_set('max_execution_time', 0);?
Question 1: Do I place it at the top of the .PHP file or in a function that takes a long time to do something?
Question 2: Does this setting last forever after being set? Or does it return back to its original 300sec or whatever default value after the function stops running?
You can place it anywhere, but that setting won’t take effect until it runs. So if you put it at the top, then the script will never timeout. If you put it down below on the function that can take awhile, then you may get a timeout above if the script takes a long time to get to where you called it.
When you use
ini_set()that option stays in effect for the entire execution of the script.