每個worker實例的每個進(jìn)程都有一個獨立的進(jìn)程編號、即: $worker->id
$worker->id
有的,還是順序排布的,但是對于應(yīng)用來說意義不大,而且還有 workerPid和workerId的一個映射數(shù)組
/** All worker processes pid. The format is like this [worker_id=>[pid=>pid, pid=>pid, ..], ..] @var array */ protected static $_pidMap = array();
/**