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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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 'a' => 2, 'z' => 2, 'd' => 1, )
preferences:
86.4 ms | 978 KiB | 4 Q