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<?php $aShips = ['0_204' => 1, '0_209' => 1.5,'0_205' => 2, '0_206' => 3, '0_207' => 4]; $order = ["0_206", "0_205", "0_204", "0_207"]; $lookup = array_flip($order); $default = count($order); uksort($aShips, fn($a, $b) => ($lookup[$a] ?? $default) <=> ($lookup[$b] ?? $default)); var_export($aShips);

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