How can errors be displayed in PHP to troubleshoot issues like the error 500 mentioned?

To troubleshoot issues like the error 500 in PHP, you can display errors by setting the `display_errors` directive to `On` in the php.ini file or by using the `error_reporting` function in your PHP script to show errors on the screen. This will help you identify the specific error that is causing the internal server error (500) and troubleshoot it accordingly.

// Set error reporting
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

// Your PHP code here