Online PHP editor | refs for L255t

<?php $array = [ 'Network 1' => [ [ 'MSISDN' => 27729554427, 'Network' => 'Network 1', 'Date' => '12-Mar-2016', 'Product' => 'Loan Product 1', 'Amount' => 1000.00 ], [ 'MSISDN' => 27725326345, 'Network' => 'Network 1', 'Date' => '18-Mar-2016', 'Product' => 'Loan Product 2', 'Amount' => 3000.00 ] ], 'Network 2' => [ [ 'MSISDN' => 27722342551, 'Network' => 'Network 2', 'Date' => '16-Mar-2016', 'Product' => 'Loan Product 1', 'Amount' => 500.00 ], [ 'MSISDN' => 27729234533, 'Network' => 'Network 2', 'Date' => '01-Apr-2016', 'Product' => 'Loan Product 1', 'Amount' => 100.00 ] ] ]; foreach ($array as $network => $row) { $result[$network] = $row; $result[$network . ' Total Amount'] = array_sum(array_column($row, 'Amount')); } var_export($result);