public function save() {

		// Return value
		$retval = false;

		// Default data and format
		$data = array(
			'user_id'           => $this->user_id,
			'inviter_id'        => $this->inviter_id,
			'invitee_email'     => $this->invitee_email,
			'class'             => sanitize_key( $this->class ),
			'item_id'           => $this->item_id,
			'secondary_item_id' => $this->secondary_item_id,
			'type'              => $this->type,
			'content'           => wp_kses( wp_unslash( $this->content ), array() ),
			'date_modified'     => $this->date_modified,
			'invite_sent'       => $this->invite_sent,
			'accepted'          => $this->accepted,
		);
		$data_format = array( '%d', '%d', '%s', '%s', '%d', '%d', '%s', '%s', '%s', '%d', '%d' );

		/**
		 * Fires before an invitation is saved.
		 *
		 * @since 5.0.0
		 *
		 * @param BP_Invitation object $this Characteristics of the invitation to be saved.
		 */
		do_action_ref_array( 'bp_invitation_before_save', array( &$this ) );

		// Update
		if ( ! empty( $this->id ) ) {
			$result = self::_update( $data, array( 'ID' => $this->id ), $data_format, array( '%d' ) );
		// Insert
		} else {
			$result = self::_insert( $data, $data_format );
		}

		// Set the invitation ID if successful
		if ( ! empty( $result ) && ! is_wp_error( $result ) ) {
			global $wpdb;

			$this->id = $wpdb->insert_id;
			$retval   = $wpdb->insert_id;
		}

		wp_cache_delete( $this->id, 'bp_invitations' );

		/**
		 * Fires after an invitation is saved.
		 *
		 * @since 5.0.0
		 *
		 * @param BP_Invitation object $this Characteristics of the invitation just saved.
		 */
		do_action_ref_array( 'bp_invitation_after_save', array( &$this ) );

		// Return the result
		return $retval;
	}