Online PHP editor | refs for tEkXd

<?php $array = [ [ "configuration_id" => 10, "id" => 1, "optionNumber" => 3, "optionActive" => 1, "lastUpdated" => "2010-03-17 15:44:12" ], [ "configuration_id" => 9, "id" => 1, "optionNumber" => 2, "optionActive" => 1, "lastUpdated" => "2010-03-17 15:44:12" ], [ "configuration_id" => 8, "id" => 1, "optionNumber" => 1, "optionActive" => 1, "lastUpdated" => "2010-03-17 15:44:12" ] ]; usort($array, fn($a, $b) => $a['optionNumber'] <=> $b['optionNumber'] ); var_export($array);