original_string: protected static function getAllWorkerPids()
      {
          $pid_array = array();
          foreach (static::$_pidMap as $worker_pid_array) {
              foreach ($worker_pid_array as $worker_pid) {
                  $pid_array[$worker_pid] = $worker_pid;
              }
          }
          return $pid_array;
      }
code: protected static function getAllWorkerPids()
      {
          $pid_array = array();
          foreach (static::$_pidMap as $worker_pid_array) {
              foreach ($worker_pid_array as $worker_pid) {
                  $pid_array[$worker_pid] = $worker_pid;
              }
          }
          return $pid_array;
      }
code_tokens: protected static function getAllWorkerPids ( ) { $ pid_array = array ( ) ; foreach ( static :: $ _pidMap as $ worker_pid_array ) { foreach ( $ worker_pid_array as $ worker_pid ) { $ pid_array [ $ worker_pid ] = $ worker_pid ; } } return $ pid_array ; }
docstring: Get all pids of worker processes.
  
  @return array
docstring_tokens: Get all pids of worker processes .