(PECL gearman >= 0.5.0)
GearmanClient::runTasks — Run a list of tasks in parallel
For a set of tasks previously added with GearmanClient::addTask(), GearmanClient::addTaskHigh(), GearmanClient::addTaskLow(), GearmanClient::addTaskBackground(), GearmanClient::addTaskHighBackground(), or GearmanClient::addTaskLowBackground(), this call starts running the tasks in parallel.
此函数没有参数。