Does error_reporting(0);
have any effect on error logging (to file), or does it just suppress on-screen error display?
Thanks.
Yes, it affects both.
The error_reporting level defines what levels of errors gets triggered. Whether you log or display those errors are determined by the other settings.
To summarize:
In essence, setting error_reporting(0)
means that you've turned off error reporting, and nothing will be logged to file or output to the screen.