_nicename = __( 'Total', 'ninja-forms' ); } public function process( $total, $data ) { $subtotal = 0; foreach( $data[ 'fields' ] as $key => $field ){ if( isset ( $field[ 'type' ] ) && 'shipping' == $field[ 'type' ] ){ $subtotal += $field[ 'shipping_cost' ]; } } if( isset( $data[ 'product_totals' ] ) ){ foreach( $data[ 'product_totals' ] as $product_total ){ $subtotal += $product_total; } } $data[ 'new_total' ] = number_format( $subtotal, 2 ); return $data; } }