bp_disable_group_avatar_uploads( bool|null $default = null )

function bp_disable_group_avatar_uploads( $default = null ) {
	$disabled = bp_get_option( 'bp-disable-group-avatar-uploads', '' );

	if ( '' === $disabled ) {
		if ( is_null( $default ) ) {
			$disabled = bp_disable_avatar_uploads();
		} else {
			$disabled = $default;
		}
	}

	/**
	 * Filters whether or not members are able to upload group avatars.
	 *
	 * @since BuddyPress 2.3.0
	 *
	 * @param bool $disabled Whether or not members are able to upload their groups avatars.
	 * @param bool $default  Default value passed to the function.
	 */
	return (bool) apply_filters( 'bp_disable_group_avatar_uploads', $disabled, $default );
}