Online PHP editor | refs for QhfUO

<?php $a = [ ['name' => 'third1', 'order' => 3], ['name' => 'first1', 'order' => 1], ['name' => 'third2', 'order' => 3], ['name' => 'second1', 'order' => 2], ['name' => 'fourth', 'order' => 4], ['name' => 'second2', 'order' => 2], ]; usort ($a, function ($a, $b) { if ($a['order'] == $b['order']) { return 0; } return ($a['order'] < $b['order']) ? -1 : 1; }); print_r ($a);