3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cars = [ [ 'id' => 1, 'icon' => 'sim', ], [ 'id' => 2, 'icon' => 'airtime', ], [ 'id' => 3, 'icon' => 'sim', ], # This is the same as the first [ 'id' => 1, 'icon' => 'sim', ], ]; echo json_encode(array_unique($cars, SORT_REGULAR));
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
[{"id":1,"icon":"sim"},{"id":2,"icon":"airtime"},{"id":3,"icon":"sim"}]

preferences:
105.19 ms | 407 KiB | 5 Q