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<?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);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(3) { ["a"]=> int(2) ["z"]=> int(2) ["d"]=> int(1) }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(3) { ["a"]=> int(2) ["z"]=> int(2) ["d"]=> int(1) }
preferences:
158.48 ms | 402 KiB | 156 Q