How can PHP error reporting functions like error_reporting(E_ALL) help identify issues in code that is not functioning correctly?

PHP error reporting functions like error_reporting(E_ALL) can help identify issues in code that is not functioning correctly by displaying all types of errors, warnings, and notices. This comprehensive error reporting can help developers pinpoint the exact line or section of code where an issue is occurring, making it easier to troubleshoot and fix problems.

error_reporting(E_ALL);