Porównywanie elementów w wielowymiarowej tablicy
Powiedz, że mam tablicę wielowymiarową. Na przykład:
Array (
[0] => Array (
[animal_id] => 5494
[animal_name] => "Suzy"
[animal_type] => "zebra"
[animal_location] => 0
[animal_awake] => 1
[animal_age] => 3 )
[1] => Array (
[animal_id] => 5494
[animal_name] => "Joshua"
[animal_type] => "panda"
[animal_location] => 5
[animal_awake] => 0
[animal_age] => 8 )
[2] => Array (
[animal_id] => 5494
[animal_name] => "Debra"
[animal_type] => "snake"
[animal_location] => 7
[animal_awake] => 1
[animal_age] => 3 )
[3] => Array (
[animal_id] => 5495
[animal_name] => "Caleb"
[animal_type] => "zebra"
[animal_location] => 0
[animal_awake] => 1
[animal_age] => 3 )
[4] => Array (
[animal_id] => 5495
[animal_name] => "Joshua"
[animal_type] => "panda"
[animal_location] => 5
[animal_awake] => 0
[animal_age] => 8 )
[5] => Array (
[animal_id] => 5495
[animal_name] => "Debra"
[animal_type] => "snake"
[animal_location] => 7
[animal_awake] => 1
[animal_age] => 3 )
[6] => Array (
[animal_id] => 5496
[animal_name] => "Emily"
[animal_type] => "zebra"
[animal_location] => 0
[animal_awake] => 1
[animal_age] => 3 )
[7] => Array (
[animal_id] => 5496
[animal_name] => "Joshua"
[animal_type] => "panda"
[animal_location] => 5
[animal_awake] => 0
[animal_age] => 8 )
[8] => Array (
[animal_id] => 5496
[animal_name] => "Debra"
[animal_type] => "snake"
[animal_location] => 7
[animal_awake] => 1
[animal_age] => 3 )
)
I chcę porównać wszystkie węże przeciwko wężom i wszystkie pandy przeciwko pandzie itp. (Ale nie węża przeciwko pandzie) i umieścić unikalne elementy w tablicy (wszystkie unikalne elementy w jedną tablicę), jak mógłbym rób to. Ponieważ są elementami w tablicy, jestem trochę zakłopotany. Ponadto nie będę wiedział z góry, ile będzie różnych typów. Na przykład, pewnego razu mógłbym przekazać tablicę wielowymiarową z Pandą, Niedźwiedziem, Wężem - Następnym razem, gdy mógłbym przekazać tablicę z Ptakiem, Kotem, Pandą, Zebrą.
Jakieś pomysły?
KOŃCOWE WYJŚCIE
Array (
[0] => Array (
[animal_id] => 5494
[animal_name] => "Suzy"
[animal_type] => "zebra"
[animal_location] => 0
[animal_awake] => 1
[animal_age] => 3 )
[1] => Array (
[animal_id] => 5494
[animal_name] => "Joshua"
[animal_type] => "panda"
[animal_location] => 5
[animal_awake] => 0
[animal_age] => 8 )
[2] => Array (
[animal_id] => 5495
[animal_name] => "Caleb"
[animal_type] => "zebra"
[animal_location] => 0
[animal_awake] => 1
[animal_age] => 3 )
[3] => Array (
[animal_id] => 5495
[animal_name] => "Debra"
[animal_type] => "snake"
[animal_location] => 7
[animal_awake] => 1
[animal_age] => 3 )
[4] => Array (
[animal_id] => 5496
[animal_name] => "Emily"
[animal_type] => "zebra"
[animal_location] => 0
[animal_awake] => 1
[animal_age] => 3 )
)