bp_get_user_firstname( string|bool $name = false )

	function bp_get_user_firstname( $name = false ) {

		// Try to get displayed user.
		if ( empty( $name ) )
			$name = bp_get_displayed_user_fullname();

		// Fall back on logged in user.
		if ( empty( $name ) )
			$name = bp_get_loggedin_user_fullname();

		$fullname = (array) explode( ' ', $name );

		/**
		 * Filters the first name of a user.
		 *
		 * @since BuddyPress 1.2.0
		 *
		 * @param string $value    First name of user.
		 * @param string $fullname Full name of user.
		 */
		return apply_filters( 'bp_get_user_firstname', $fullname[0], $fullname );
	}