Where do I find information on PHP's "error_reporting" option?

Question

Where do I find information on PHP's "error_reporting" option?

Answer

Information on PHP's "error_reporting" option can be found via the following articles in PHP's documentation:

PHP.net - error_reporting

PHP.net - Runtime Configuration - error_reporting

The Predefined Constants for these setting can be found below:

PHP.net - Predefined Constants