Online PHP editor | refs for GHlvt

<?php $input = [ 110 => [ 'releaseDate' => '2020-08-15 00:00:00', 'isNewest' => false, ], 128 => [ 'releaseDate' => '2020-08-15 00:00:00', 'isNewest' => false, ], 129 => [ 'releaseDate' => '2020-08-15 00:00:00', 'isNewest' => false, ], 130 => [ 'releaseDate' => '2020-08-15 00:00:00', 'isNewest' => false, ], 131 => [ 'releaseDate' => '2020-08-15 00:00:00', 'isNewest' => false, ], 132 => [ 'releaseDate' => '2020-08-15 00:00:00', 'isNewest' => false, ], 123 => [ 'releaseDate' => '2020-07-01 00:00:00', 'isNewest' => false, ], 124 => [ 'releaseDate' => '2020-07-01 00:00:00', 'isNewest' => false, ], 125 => [ 'releaseDate' => '2020-07-01 00:00:00', 'isNewest' => false, ], 127 => [ 'releaseDate' => '2020-07-01 00:00:00', 'isNewest' => false, ] ]; uasort($input, function($a, $b) { return $a['isNewest'] - $b['isNewest']; }); print_r($input);