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));

preferences:
25.36 ms | 405 KiB | 5 Q