Online PHP editor | refs for NPHAk

<?php $array = [ 'date' => ['03/11/2019', '03/19/2019', '03/15/2019', '12/15/2018'], 'name' => ['Lowa', 'Stephanie', 'Allan', 'Joffer'], 'number' => [178989898, 111111111, 222222222, 333333333], 'unit' => ['HR', 'VPP', '', 'OAT'], 'department' => ['Chemistry', 'IT', 'Lab', 'Contractor'], ]; array_multisort( array_map(fn($dmY) => date_create_from_format('d/m/Y', $dmY), $array['date']), SORT_DESC, $array['date'], $array['name'], $array['number'], $array['unit'], $array['department'], ); var_export($array);