WordPress at a glance
function is not described

get_registered_settings() WP 4.7.0

Retrieves an array of registered settings.

No Hooks.

Return

Array. List of registered settings, keyed by option name.

Usage

get_registered_settings();

Code of get registered settings: wp-includes/option.php VER 5.0.3

<?php
function get_registered_settings() {
	global $wp_registered_settings;

	if ( ! is_array( $wp_registered_settings ) ) {
		return array();
	}

	return $wp_registered_settings;
}