(PECL ev >= 0.2.0)
EvIo::__construct — Constructs EvIo watcher object
$fd
   ,$events
   ,$callback
   ,$data
    = ?,$priority
    = ?Constructs EvIo watcher object and starts the watcher automatically.
fd
    Can be a stream opened with fopen() or similar functions, numeric file descriptor, or socket.
events
    
      Ev::READ
      and/or
      Ev::WRITE
      . See
      the bit masks
      .
     
callback
    See Watcher callbacks .
data
    Custom data associated with the watcher.
priority
    