WP_Fatal_Error_Handler example

function wp_register_fatal_error_handler() {
    if ( ! wp_is_fatal_error_handler_enabled() ) {
        return;
    }

    $handler = null;
    if ( defined( 'WP_CONTENT_DIR' ) && is_readable( WP_CONTENT_DIR . '/fatal-error-handler.php' ) ) {
        $handler = include WP_CONTENT_DIR . '/fatal-error-handler.php';
    }

    if ( ! is_object( $handler ) || ! is_callable( array( $handler, 'handle' ) ) ) {
        $handler = new WP_Fatal_Error_Handler();
    }

    register_shutdown_function( array( $handler, 'handle' ) );
}

/** * Checks whether the fatal error handler is enabled. * * A constant `WP_DISABLE_FATAL_ERROR_HANDLER` can be set in `wp-config.php` to disable it, or alternatively the * {@see 'wp_fatal_error_handler_enabled'} filter can be used to modify the return value. * * @since 5.2.0 * * @return bool True if the fatal error handler is enabled, false otherwise. */