Как очень быстро и легко определить свой размер?!

Array ( [0] => Array ( [TEXT] => О компании [LINK] => /company/ [SELECTED] => [PERMISSION] => R [ADDITIONAL_LINKS] => Array ( ) [ITEM_TYPE] => D [ITEM_INDEX] => 0 [PARAMS] => Array ( ) [DEPTH_LEVEL] => 1 [IS_PARENT] => ) [1] => Array ( [TEXT] => Новости [LINK] => /company/news/ [SELECTED] => 1 [PERMISSION] => R [ADDITIONAL_LINKS] => Array ( ) [ITEM_TYPE] => D [ITEM_INDEX] => 1 [PARAMS] => Array ( ) [DEPTH_LEVEL] => 1 [IS_PARENT] => ) [2] => Array ( [TEXT] => Сотрудники [LINK] => /company/staff/ [SELECTED] => [PERMISSION] => R [ADDITIONAL_LINKS] => Array ( ) [ITEM_TYPE] => D [ITEM_INDEX] => 2 [PARAMS] => Array ( ) [DEPTH_LEVEL] => 1 [IS_PARENT] => ) [3] => Array ( [TEXT] => Вакансии [LINK] => /company/jobs/ [SELECTED] => [PERMISSION] => R [ADDITIONAL_LINKS] => Array ( ) [ITEM_TYPE] => D [ITEM_INDEX] => 3 [PARAMS] => Array ( ) [DEPTH_LEVEL] => 1 [IS_PARENT] => ) )