set custom menu order

custom-menu-order.php

<?php
	add_filter ( 'custom_menu_order',	array(	$this,	'menu_order'	),	1001	);
	add_filter ( 'menu_order',		array(	$this,	'menu_order'	),	1001	);

	public function menu_order( $menu_ord ) {

		if ( ! $menu_ord )
			return true;

		return array(
			'wpengine-common',			// WPEngine link
	        	'index.php',				// this represents the dashboard link
			'users.php',				// users tab
			'edit.php',				// this is the default POST admin menu
			'edit.php?post_type=niica-docs',	// custom post type
			'edit.php?post_type=page',		// pages
			'gf_edit_forms',			// Gravity forms
			'separator1',				// separator
			'upload.php',				// media manager
		);
	}