BP_REST_Activity_Endpoint::bp_rest_activity_content_validate( WP_REST_Request $request )

	public function bp_rest_activity_content_validate( $request ) {
		$toolbar_option = false;

		if ( ! empty( $request['content'] ) ) {
			return false;
		}

		// check activity toolbar options if one of them is set, activity can be empty.
		if (
			bp_is_active( 'media' )
			&& empty( $request['bp_media_ids'] )
			&& (
				! empty( $request['media_gif'] )
				&& (
					empty( $request['media_gif']['url'] )
					|| empty( $request['media_gif']['mp4'] )
				)
			)
		) {
			$toolbar_option = true;
		}

		return $toolbar_option;
	}