bp_get_the_profile_field_ids()

	function bp_get_the_profile_field_ids() {
		global $profile_template;

		$field_ids = array();
		foreach ( $profile_template->groups as $group ) {
			if ( ! empty( $group->fields ) ) {
				$field_ids = array_merge( $field_ids, wp_list_pluck( $group->fields, 'id' ) );
			}
		}

		$field_ids = implode( ',', wp_parse_id_list( $field_ids ) );

		/**
		 * Filters the comma-separated list of field IDs.
		 *
		 * @since BuddyPress 2.1.0
		 *
		 * @param string $field_ids Comma-separated field IDs.
		 */
		return apply_filters( 'bp_get_the_profile_field_ids', $field_ids );
	}