readable-menu-in-bitrix.php

<? 
// path: /local/templates/template_name/components/bitrix/menu/component_name/php_interface.php


$newResult=array();
foreach ($arResult as $key=>$arItem)
{
	if($arItem["DEPTH_LEVEL"]==1)
	{
		$f=$key;
		$newResult[$key]=$arItem;
	}elseif($arItem["DEPTH_LEVEL"]==2)
	{
		$s=$key;
		$newResult[$f]["CHILD"][$key]=$arItem;
	}elseif($arItem["DEPTH_LEVEL"]==3)
	{
		$d=$key;
		$newResult[$f]["CHILD"][$s]["CHILD"][$key]=$arItem;
	}elseif($arItem["DEPTH_LEVEL"]==4)
	{
		$newResult[$f]["CHILD"][$s]["CHILD"][$d]['CHILD'][$key]=$arItem;
	}

}
$arResult=$newResult;

// it makes
/*
[0] => Array
        (
            [TEXT] => Section name
            [LINK] => /helpdesk/section-code/
            [SELECTED] => 
            [PERMISSION] => X
            [ADDITIONAL_LINKS] => Array
                (
                    [0] => /helpdesk/section-code/
                )

            [ITEM_TYPE] => D
            [ITEM_INDEX] => 0
            [PARAMS] => Array
                (
                    [FROM_IBLOCK] => 1
                    [IS_PARENT] => 1
                    [DEPTH_LEVEL] => 1
                )

            [DEPTH_LEVEL] => 1
            [IS_PARENT] => 1
            [CHILD] => Array
                (
                    [1] => Array
                        (
                            [TEXT] => Sub Menu 1
                            [LINK] => /helpdesk/sub-menu-1/
                            [SELECTED] => 
                            [PERMISSION] => X
                            [ADDITIONAL_LINKS] => Array
                                (
                                    [0] => /helpdesk/sub-menu-1/
                                )

                            [ITEM_TYPE] => D
                            [ITEM_INDEX] => 1
                            [PARAMS] => Array
                                (
                                    [FROM_IBLOCK] => 1
                                    [IS_PARENT] => 
                                    [DEPTH_LEVEL] => 2
                                )

                            [DEPTH_LEVEL] => 2
                            [IS_PARENT] => 
                        )

                )

        )
        [1] => Array(),
        ...
        ...


*/