bp_get_signup_avatar( array|string $args = '' )

	function bp_get_signup_avatar( $args = '' ) {
		$bp = buddypress();

		$defaults = array(
			'size' => bp_core_avatar_full_width(),
			'class' => 'avatar',
			'alt' => __( 'Your Profile Photo', 'buddyboss' )
		);

		$r = wp_parse_args( $args, $defaults );
		extract( $r, EXTR_SKIP );

		// Avatar DIR is found.
		if ( $signup_avatar_dir = bp_get_signup_avatar_dir_value() ) {
			$gravatar_img = bp_core_fetch_avatar( array(
				'item_id'    => $signup_avatar_dir,
				'object'     => 'signup',
				'avatar_dir' => 'avatars/signups',
				'type'       => 'full',
				'width'      => $size,
				'height'     => $size,
				'alt'        => $alt,
				'class'      => $class
			) );

			// No avatar DIR was found.
		} else {

			// Set default gravatar type.
			if ( empty( $bp->grav_default->user ) )
				$default_grav = 'wavatar';
			elseif ( 'mystery' == $bp->grav_default->user )
				$default_grav = $bp->plugin_url . 'bp-core/images/mystery-man.jpg';
			else
				$default_grav = $bp->grav_default->user;

			/**
			 * Filters the base Gravatar url used for signup avatars when no avatar dir found.
			 *
			 * @since BuddyPress 1.0.2
			 *
			 * @param string $value Gravatar url to use.
			 */
			$gravatar_url    = apply_filters( 'bp_gravatar_url', '//www.gravatar.com/avatar/' );
			$md5_lcase_email = md5( strtolower( bp_get_signup_email_value() ) );
			$gravatar_img    = '<img src="' . $gravatar_url . $md5_lcase_email . '?d=' . $default_grav . '&amp;s=' . $size . '" width="' . $size . '" height="' . $size . '" alt="' . $alt . '" class="' . $class . '" />';
		}

		/**
		 * Filters the user avatar during signup.
		 *
		 * @since BuddyPress 1.1.0
		 *
		 * @param string $gravatar_img Avatar HTML image tag.
		 * @param array  $args         Array of parsed args for avatar query.
		 */
		return apply_filters( 'bp_get_signup_avatar', $gravatar_img, $args );
	}