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<?php $cars = [ [ 'icon' => 'sim', 'example' => 'also_duplicate', ], [ 'icon' => 'airtime', 'example' => 'also_duplicate', ], [ 'icon' => 'sim', 'example' => 'also_duplicate', ], ]; echo json_encode(array_intersect_key($cars, array_unique(array_column($cars, 'icon'))));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
[{"icon":"sim","example":"also_duplicate"},{"icon":"airtime","example":"also_duplicate"}]
preferences:
105.36 ms | 407 KiB | 5 Q