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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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
[{"icon":"sim","example":"also_duplicate"},{"icon":"airtime","example":"also_duplicate"}]
preferences:
103.1 ms | 1250 KiB | 4 Q