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fn($a)=>array_sum(array_map(fn($v)=>'0002040'[$v]=>$v%2*~-$v,$a));
Try it online!Try it online!
-2 bytes thanks to @RGS
fn($a)=>array_sum(array_map(fn($v)=>'0002040'[$v],$a));
Try it online!
fn($a)=>array_sum(array_map(fn($v)=>$v%2*~-$v,$a));
