public static function toggle_gateway_enabled() {
		if ( current_user_can( 'manage_woocommerce' ) && check_ajax_referer( 'woocommerce-toggle-payment-gateway-enabled', 'security' ) && isset( $_POST['gateway_id'] ) ) {
			// Load gateways.
			$payment_gateways = WC()->payment_gateways->payment_gateways();

			// Get posted gateway.
			$gateway_id = wc_clean( wp_unslash( $_POST['gateway_id'] ) );

			foreach ( $payment_gateways as $gateway ) {
				if ( ! in_array( $gateway_id, array( $gateway->id, sanitize_title( get_class( $gateway ) ) ), true ) ) {
					continue;
				}
				$enabled = $gateway->get_option( 'enabled', 'no' );

				if ( ! wc_string_to_bool( $enabled ) ) {
					if ( $gateway->needs_setup() ) {
						wp_send_json_error( 'needs_setup' );
						wp_die();
					} else {
						$gateway->update_option( 'enabled', 'yes' );
					}
				} else {
					// Disable the gateway.
					$gateway->update_option( 'enabled', 'no' );
				}

				wp_send_json_success( ! wc_string_to_bool( $enabled ) );
				wp_die();
			}
		}

		wp_send_json_error( 'invalid_gateway_id' );
		wp_die();
	}