Online PHP editor | output for Fh5nq

<?php $array = [ ['id' => '111', 'value' => 'abc'], ['id' => '100', 'value' => 'abc'], ['id' => '132', 'value' => 'abc'], ['id' => '222', 'value' => 'abc'], ['id' => '112', 'value' => 'abc'], ['id' => '200', 'value' => 'abc'] ]; $idPriorities = array_flip(['112', '111', '132', '100']); $idOutlier = count($idPriorities); usort( $array, function($a, $b) use ($idPriorities, $idOutlier) { return ($idPriorities[$a['id']] ?? $idOutlier) <=> ($idPriorities[$b['id']] ?? $idOutlier); } ); var_export($array);