wordpress-menu-reorder.php

<?php

function reorder_admin_menu( $menu_items ) {
	// Our top level items
	$top_level = array();
	// Post Types
	$post_types = array();
	// Our bottom level items
	$bottom_level = array();
	// And our penalty box...known that we want last
	$penalty_box = array();
	// Loop over each item
	foreach( $menu_items as $menu_item ) {
		/**
		 * Known offenders that we want to stick as low as possible
		 */
		if( in_array( $menu_item, array( 'jetpack', 'genesis', 'woocommerce', 'edit.php?post_type=fl-builder-template' ) ) ) {
			$penalty_box[] = $menu_item;
		}
		/**
		 * Our top level items
		 * Dashboard, and the first seperator
		 */
		if( in_array( $menu_item, array( 'index.php', 'separator1' ) ) ) {
			$top_level[] = $menu_item;
		}
		/**
		 * Content related items
		 * anything that starts with edit.php and not already in the penalty box
		 * Nested pages plugin is whitelisted for this section
		 */
		else if( strripos( $menu_item , 'edit.php' ) !== false || $menu_item === 'nestedpages' ) {
			$post_types[] = $menu_item;
		}
		/**
		 * Everything else
		 * Contains settings, users, appearence, etc.
		 */
		else {
			$bottom_level[] = $menu_item;
		}

	}
	// Mush it all together in a new order, and send it back
	return array_merge( $top_level, $post_types, $bottom_level, $penalty_box );
}
add_filter( 'menu_order', 'reorder_admin_menu', 99 );
/**
 * Add flag to allow custom menu order
 */
add_filter( 'custom_menu_order', '__return_true' );