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<?php $ar = array ( 'Services' => array( array ( '9' => '0', '10' => '0', '11' => '0', '12' => '0', '13' => '0', '14' => '0', '15' => '600' ), ), 'Financial' => array( Array ( '9' => 0, '10' => 0, '11' => 0, '12' => 0, '13' => 0, '14' => 0, '15' => 500 ), Array ( '9' => 0, '10' => 0, '11' => 0, '12' => 0, '13' => 0, '14' => 0, '15' => 200 ), Array ( '9' => 0, '10' => 0, '11' => 0, '12' => 0, '13' => 0, '14' => 0, '15' => 300 ), ), 'DFD' => array( Array ( '9' => 0, '10' => 0, '11' => 0, '12' => 0, '13' => 0, '14' => 0, '15' => 1000, ), Array ( '9' => 0, '10' => 0, '11' => 0, '12' => 0, '13' => 0, '14' => 0, '15' => 100 ) ) ); $finalArray = []; foreach($ar as $key=>$val){ $finalArray[$key] = [ array_sum(array_column($val,9)), array_sum(array_column($val,10)), array_sum(array_column($val,11)), array_sum(array_column($val,12)), array_sum(array_column($val,13)), array_sum(array_column($val,14)), array_sum(array_column($val,15)) ]; } print_r($finalArray);

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