get_functions
Github

	function get_functions() {
		$data = [];
		foreach (_class('core_api')->get_functions() as $name) {
			$data[++$i] = [
				'name'	=> $name,
				'link'	=> './?object='.__CLASS__.'&action=get_function_source&id='.$name,
			];
		}
		return _class('html')->tree($data, [
			'opened_levels'	=> 0,
			'draggable'		=> false,
		]);
	}