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<?php $array = [ 'z' => 2, 'd' => 1, 'a' => 2, ]; $allowlist = array_flip(['a', 'd']); array_multisort( $array, SORT_DESC, array_map(fn($k) => !isset($allowlist[$k]), array_keys($array)), $array ); var_export($array);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array ( 'a' => 2, 'z' => 2, 'd' => 1, )
preferences:
79.14 ms | 402 KiB | 62 Q