bp_core_signup_avatar_upload_dir()

function bp_core_signup_avatar_upload_dir() {
	$bp = buddypress();

	if ( empty( $bp->signup->avatar_dir ) ) {
		return false;
	}

	$directory = 'avatars/signups';
	$path      = bp_core_avatar_upload_path() . '/' . $directory . '/' . $bp->signup->avatar_dir;
	$newbdir   = $path;
	$newurl    = bp_core_avatar_url() . '/' . $directory . '/' . $bp->signup->avatar_dir;
	$newburl   = $newurl;
	$newsubdir = '/' . $directory . '/' . $bp->signup->avatar_dir;

	/**
	 * Filters the avatar storage directory for use during registration.
	 *
	 * @since BuddyPress 1.1.1
	 *
	 * @param array $value Array of path and URL values for created storage directory.
	 */
	return apply_filters( 'bp_core_signup_avatar_upload_dir', array(
		'path'    => $path,
		'url'     => $newurl,
		'subdir'  => $newsubdir,
		'basedir' => $newbdir,
		'baseurl' => $newburl,
		'error'   => false
	) );
}