* @since 3.10.0 Unknown.
	 * @since 3.37.6 Add additional return property, `total`, which returns the total number of found transactions.
	 * @since 5.2.0 Use stric type comparisons.
	 * @since 7.1.0 Added `no_found_rows` parameter.
	 *
	 * @param array $args {
	 *     Hash of query argument data, ultimately passed to a WP_Query.
	 *
	 *     @type string|string[] $status        Transaction post status or array of transaction post status. Defaults to "any".
	 *     @type string|string[] $type          Transaction types or array of transaction types. Defaults to "any".
	 *                                          Accepts "recurring", "single", or "trial".
	 *     @type int             $per_page      Number of transactions to include in the return. Default `50`.
	 *     @type int             $paged         Result set page number.
	 *     @type string          $order         Result set order. Default "DESC". Accepts "DESC" or "ASC".
	 *     @type string          $orderby       Result set ordering field. Default "date".
	 *     @type bool            $no_found_rows Whether to skip counting the total rows found. Enabling can improve
	 *                                          performance. Default `false`.
	 * }
	 * @return array
	 */
	public function get_transactions( $args = array() ) {

		extract(
			wp_parse_args(
				$args,
				array(
					'status'        => 'any', // String or array or post statuses.
					'type'          => 'any', // String or array of transaction types [recurring|single|trial].
					'per_page'      => 50, // Int, number of transactions to return.
					'paged'         => 1, // Int, page number of transactions to return.
					'order'         => 'DESC',
					'orderby'       => 'date', // Field to order results by.
					'no_found_rows' => false,
				)
			)
		);

		// Assume any and use this to check for valid statuses.
		$statuses = llms_get_transaction_statuses();

		// Check statuses.
		if ( 'any' !== $statuses ) {

			// If status is a string, ensure it's a valid status.
			if ( is_string( $status ) && in_array( $status, $statuses, true ) ) {
				$statuses = array( $status );
			} elseif ( is_array( $status ) ) {
				$temp = array();
				foreach ( $status as $stat ) {
					if ( in_array( (string) $stat, $statuses, true ) ) {
						$temp[] = $stat;
					}
				}
				$statuses = $temp;
			}
		}

		// Setup type meta query.
		$types = array(
			'relation' => 'OR',
		);

		if ( 'any' === $type ) {
			$types[] = array(
				'key'   => $this->meta_prefix . 'payment_type',
				'value' => 'recurring',
			);
			$types[] = array(
				'key'   => $this->meta_prefix . 'payment_type',
				'value' => 'single',
			);
			$types[] = array(
				'key'   => $this->meta_prefix . 'payment_type',
				'value' => 'trial',
			);
		} elseif ( is_string( $type ) ) {
			$types[] = array(
				'key'   => $this->meta_prefix . 'payment_type',
				'value' => $type,
			);
		} elseif ( is_array( $type ) ) {
			foreach ( $type as $t ) {
				$types[] = array(
					'key'   => $this->meta_prefix . 'payment_type',
					'value' => $t,
				);
			}
		}

		// Execute the query.
		$query = new WP_Query(
			/**
			 * Filters the order's transactions query aguments.
			 *
			 * @since 3.0.0
			 * @since 7.1.0 Added `$no_found_rows` arg.
			 *
			 * @param array $query_args {
			 *     Hash of query argument data passed to a WP_Query.
			 *
			 *     @type string|string[] $status        Transaction post status or array of transaction post status.
			 *                                          Defaults to "any".
			 *     @type string|string[] $type          Transaction types or array of transaction types.
			 *                                          Defaults to "any".
			 *                                          Accepts "recurring", "single", or "trial".
			 *     @type int             $per_page      Number of transactions to include in the return. Default `50`.
			 *     @type int             $paged         Result set page number.
			 *     @type string          $order         Result set order. Default "DESC". Accepts "DESC" or "ASC".