WP_Recovery_Mode_Cookie_Service::get_session_id_from_cookie() WordPress Method

	public function get_session_id_from_cookie( $cookie = '' ) {
		if ( ! $cookie ) {
			if ( empty( $_COOKIE[ RECOVERY_MODE_COOKIE ] ) ) {
				return new WP_Error( 'no_cookie', __( 'No cookie present.' ) );
			}

			$cookie = $_COOKIE[ RECOVERY_MODE_COOKIE ];
		}

		$parts = $this->parse_cookie( $cookie );
		if ( is_wp_error( $parts ) ) {
			return $parts;
		}

		list( , , $random ) = $parts;

		return sha1( $random );
	}