BP_XProfile_ProfileData::save()

	public function save() {
		global $wpdb;

		$bp = buddypress();

		/**
		 * Filters the data's user ID before saving to the database.
		 *
		 * @since BuddyPress 1.0.0
		 *
		 * @param int $user_id The user ID.
		 * @param int $data_id The field data ID.
		 */
		$this->user_id = apply_filters( 'xprofile_data_user_id_before_save', $this->user_id, $this->id );

		/**
		 * Filters the data's field ID before saving to the database.
		 *
		 * @since BuddyPress 1.0.0
		 *
		 * @param int $field_id The field ID.
		 * @param int $data_id  The field data ID.
		 */
		$this->field_id = apply_filters( 'xprofile_data_field_id_before_save', $this->field_id, $this->id );

		/**
		 * Filters the data's value before saving to the database.
		 *
		 * @since BuddyPress 1.0.0
		 * @since BuddyPress 2.1.0 Added `$reserialize` and `$this` parameters.
		 *
		 * @param string                  $field_value The field value.
		 * @param int                     $data_id     The field data ID.
		 * @param bool                    $reserialize Whether to reserialize arrays before returning. Defaults to true.
		 * @param BP_XProfile_ProfileData $this        Current instance of the profile data being saved.
		 */
		$this->value = apply_filters( 'xprofile_data_value_before_save', $this->value, $this->id, true, $this );

		/**
		 * Filters the data's last updated timestamp before saving to the database.
		 *
		 * @since BuddyPress 1.0.0
		 *
		 * @param int $last_updated The last updated timestamp.
		 * @param int $data_id      The field data ID.
		 */
		$this->last_updated = apply_filters( 'xprofile_data_last_updated_before_save', bp_core_current_time(), $this->id );

		/**
		 * Fires before the current profile data instance gets saved.
		 *
		 * Please use this hook to filter the properties above. Each part will be passed in.
		 *
		 * @since BuddyPress 1.0.0
		 *
		 * @param BP_XProfile_ProfileData $this Current instance of the profile data being saved.
		 */
		do_action_ref_array( 'xprofile_data_before_save', array( $this ) );

		if ( $this->is_valid_field() ) {
			if ( $this->exists() && strlen( trim( $this->value ) ) ) {
				$result   = $wpdb->query( $wpdb->prepare( "UPDATE {$bp->profile->table_name_data} SET value = %s, last_updated = %s WHERE user_id = %d AND field_id = %d", $this->value, $this->last_updated, $this->user_id, $this->field_id ) );

			} elseif ( $this->exists() && empty( $this->value ) ) {
				// Data removed, delete the entry.
				$result   = $this->delete();

			} else {
				$result   = $wpdb->query( $wpdb->prepare("INSERT INTO {$bp->profile->table_name_data} (user_id, field_id, value, last_updated) VALUES (%d, %d, %s, %s)", $this->user_id, $this->field_id, $this->value, $this->last_updated ) );
				$this->id = $wpdb->insert_id;
			}

			if ( false === $result ) {
				return false;
			}

			/**
			 * Fires after the current profile data instance gets saved.
			 *
			 * @since BuddyPress 1.0.0
			 *
			 * @param BP_XProfile_ProfileData $this Current instance of the profile data being saved.
			 */
			do_action_ref_array( 'xprofile_data_after_save', array( $this ) );

			return true;
		}

		return false;
	}