How can error_reporting(E_ALL) help in troubleshooting issues related to PHP database connections?

When troubleshooting PHP database connection issues, setting error_reporting(E_ALL) allows you to see all errors and warnings that may be occurring, including those related to database connections. This can help pinpoint the exact issue and provide more detailed information for troubleshooting.

error_reporting(E_ALL);

// Your PHP code for establishing a database connection goes here