EvIo::__construct
(PECL ev >= 0.2.0)
EvIo::__construct — Constructs EvIo watcher object
说明
   public
   EvIo::__construct
    ( 
    mixed
     
  $fd
   
   , 
    int
     $events
   
   , 
    callable
     $callback
   
   [, 
    mixed
     $data
   
   [, 
    int
     $priority
   
  ]] )Constructs EvIo watcher object and starts the watcher automatically.
参数
- 
     fd
- 
     Can be a stream opened with fopen() or similar functions, numeric file descriptor, or socket. 
- 
     events
- 
     Ev::READand/orEv::WRITE. See the bit masks .
- 
     callback
- 
     See Watcher callbacks . 
- 
     data
- 
     Custom data associated with the watcher. 
- 
     priority
返回值
Returns EvIo object on success.
参见
- EvIo::createStopped() - Create stopped EvIo watcher object
- EvLoop::io() - Create EvIo watcher object associated with the current event loop instance