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<?php $e = Array(Array ( "0" => 13 , "1" => 11 , "2" => 2 ), Array ( "989.32" => 13 , "77" => 11 , "0.99" => 2 )); $p=array(); foreach($e as $y=>$z) { $x = $y * $z; array_push($p,$x); } print_r($p);

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34.49 ms | 402 KiB | 5 Q