original_string: public function cron($timeLimit = self::CRON_EXEC_TIME, $workerID = self::WORKER_ID)
      {
          $start = microtime(true);
          $workerID = $this->setWorkerID($workerID);
          $log = [];
          $lastCount = -1;
          while (count($log) > $lastCount &&
              (
                  empty($timeLimit) ||
                  $timeLimit > (microtime(true) - $start)
              )
          ) {
              $lastCount = count($log);
              $query = $this->pdo->prepare(<<<SQL
  UPDATE robotstxt__cache1
  SET worker = :workerID
  WHERE worker IS NULL AND nextUpdate <= UNIX_TIMESTAMP()
  ORDER BY nextUpdate ASC
  LIMIT 1;
  SQL
              );
              $query->bindValue('workerID', $workerID, \PDO::PARAM_INT);
              $query->execute();
              $query = $this->pdo->prepare(<<<SQL
  SELECT base
  FROM robotstxt__cache1
  WHERE worker = :workerID
  ORDER BY nextUpdate DESC
  LIMIT 10;
  SQL
              );
              $query->bindValue('workerID', $workerID, \PDO::PARAM_INT);
              $query->execute();
              while ($baseUri = $query->fetch(\PDO::FETCH_COLUMN)) {
                  if ((new Base($this->pdo, $baseUri, $this->curlOptions, $this->byteLimit))->refresh()) {
                      $log[(string)microtime(true)] = $baseUri;
                  }
              }
          }
          return $log;
      }
code: public function cron($timeLimit = self::CRON_EXEC_TIME, $workerID = self::WORKER_ID)
      {
          $start = microtime(true);
          $workerID = $this->setWorkerID($workerID);
          $log = [];
          $lastCount = -1;
          while (count($log) > $lastCount &&
              (
                  empty($timeLimit) ||
                  $timeLimit > (microtime(true) - $start)
              )
          ) {
              $lastCount = count($log);
              $query = $this->pdo->prepare(<<<SQL
  UPDATE robotstxt__cache1
  SET worker = :workerID
  WHERE worker IS NULL AND nextUpdate <= UNIX_TIMESTAMP()
  ORDER BY nextUpdate ASC
  LIMIT 1;
  SQL
              );
              $query->bindValue('workerID', $workerID, \PDO::PARAM_INT);
              $query->execute();
              $query = $this->pdo->prepare(<<<SQL
  SELECT base
  FROM robotstxt__cache1
  WHERE worker = :workerID
  ORDER BY nextUpdate DESC
  LIMIT 10;
  SQL
              );
              $query->bindValue('workerID', $workerID, \PDO::PARAM_INT);
              $query->execute();
              while ($baseUri = $query->fetch(\PDO::FETCH_COLUMN)) {
                  if ((new Base($this->pdo, $baseUri, $this->curlOptions, $this->byteLimit))->refresh()) {
                      $log[(string)microtime(true)] = $baseUri;
                  }
              }
          }
          return $log;
      }
code_tokens: public function cron ( $ timeLimit = self :: CRON_EXEC_TIME , $ workerID = self :: WORKER_ID ) { $ start = microtime ( true ) ; $ workerID = $ this -> setWorkerID ( $ workerID ) ; $ log = [ ] ; $ lastCount = - 1 ; while ( count ( $ log ) > $ lastCount && ( empty ( $ timeLimit ) || $ timeLimit > ( microtime ( true ) - $ start ) ) ) { $ lastCount = count ( $ log ) ; $ query = $ this -> pdo -> prepare ( <<<SQL
  UPDATE robotstxt__cache1
  SET worker = :workerID
  WHERE worker IS NULL AND nextUpdate <= UNIX_TIMESTAMP()
  ORDER BY nextUpdate ASC
  LIMIT 1;
  SQL ) ; $ query -> bindValue ( 'workerID' , $ workerID , \ PDO :: PARAM_INT ) ; $ query -> execute ( ) ; $ query = $ this -> pdo -> prepare ( <<<SQL
  SELECT base
  FROM robotstxt__cache1
  WHERE worker = :workerID
  ORDER BY nextUpdate DESC
  LIMIT 10;
  SQL ) ; $ query -> bindValue ( 'workerID' , $ workerID , \ PDO :: PARAM_INT ) ; $ query -> execute ( ) ; while ( $ baseUri = $ query -> fetch ( \ PDO :: FETCH_COLUMN ) ) { if ( ( new Base ( $ this -> pdo , $ baseUri , $ this -> curlOptions , $ this -> byteLimit ) ) -> refresh ( ) ) { $ log [ ( string ) microtime ( true ) ] = $ baseUri ; } } } return $ log ; }
docstring: Process the update queue
  
  @param float|int $timeLimit
  @param int|null $workerID
  @return string[]
  @throws Exceptions\DatabaseException
docstring_tokens: Process the update queue