protected function stopWorkerPools() : bool
    {
        if (empty($this->processes)) {
            return true;
        }
        foreach (array_keys($this->processes) as $poolName) {
            $this->stopWorkerPool($poolName);
        }
        return true;
    }
protected function stopWorkerPools() : bool
    {
        if (empty($this->processes)) {
            return true;
        }
        foreach (array_keys($this->processes) as $poolName) {
            $this->stopWorkerPool($poolName);
        }
        return true;
    }
protected function stopWorkerPools ( ) : bool { if ( empty ( $ this -> processes ) ) { return true ; } foreach ( array_keys ( $ this -> processes ) as $ poolName ) { $ this -> stopWorkerPool ( $ poolName ) ; } return true ; }
Stops processes of all pools.

@return bool
Stops processes of all pools .