Jak pobrać z tablicy? Opcje

[herWALDI]

Witam,
mam mały problem..
Jak pobrać z tej tablicy element 'large' zz tablicy o parametrze position 4? Dodam, że tablica wypluwa 'position 4' nie zawsze w tym miejscu.. poniżej przykłady:

[PHP] pobierz, plaintext 
[thumbnails] => Array
    (
        [0] => SDK_3D_Pack\lib\filter\ThumbnailFilter Object
            (
                [large] => xxx
                [thumb] => xxx
                [position] => 5
            )
 
        [1] => SDK_3D_Pack\lib\filter\ThumbnailFilter Object
            (
                [large] => xx
                [thumb] => xx
                [position] => 3
            )
 
        [2] => SDK_3D_Pack\lib\filter\ThumbnailFilter Object
            (
                [large] => xxxxx
                [thumb] => xxxxx
                [position] => 2
            )
 
        [3] => SDK_3D_Pack\lib\filter\ThumbnailFilter Object
            (
                [large] => xxxxxxx
                [thumb] => xxxxxxx
                [position] => 4
            )
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
[thumbnails] => Array
    (
        [0] => SDK_3D_Pack\lib\filter\ThumbnailFilter Object
            (
                [large] => xxx
                [thumb] => xxx
                [position] => 2
            )
 
        [1] => SDK_3D_Pack\lib\filter\ThumbnailFilter Object
            (
                [large] => xx
                [thumb] => xx
                [position] => 4
            )
 
        [2] => SDK_3D_Pack\lib\filter\ThumbnailFilter Object
            (
                [large] => xxxxx
                [thumb] => xxxxx
                [position] => 3
            )
 
        [3] => SDK_3D_Pack\lib\filter\ThumbnailFilter Object
            (
                [large] => xxxxxxx
                [thumb] => xxxxxxx
                [position] => 1
            )
[PHP] pobierz, plaintext