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<?php $a=['apples'=>10,'bananas'=>15,'carrots'=>100,'oranges'=>25,'tomatoes'=>5]; arsort($a); var_dump($a); uksort($a, function ($a, $b) { if ($a == 'bananas' || $a == 'tomatoes') return 0; return ($b == 'bananas' || $b == 'tomatoes') ? 1 : 0; }); var_dump($a);

preferences:
45.54 ms | 402 KiB | 5 Q