How can one effectively use error_reporting and ini_set functions to display errors in PHP scripts?

To effectively display errors in PHP scripts, you can use the error_reporting function to set the level of errors to display and the ini_set function to configure PHP settings at runtime. By setting the error_reporting level to E_ALL, you can display all types of errors, warnings, and notices. Then, use ini_set to enable displaying errors on the screen by setting display_errors to 1.

// Set error reporting level to display all errors
error_reporting(E_ALL);

// Enable displaying errors on screen
ini_set('display_errors', 1);