<?php $array = [ 'a' => 2, 'z' => 2, 'd' => 1 ]; $allowlist = ['a', 'd']; uksort( $array, static function($a, $b) use ($array, $allowlist) { if($array[$a] === $array[$b]) { return in_array($a, $allowlist) ? -1 : 1; } return $array[$b] <=> $array[$a]; } ); var_dump($array);
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