(PECL event >= 1.2.6-beta)
EventBufferEvent::read — Read buffer's data
&$data
   
   , 
    int
     $size
   
   )
   Removes up to
   size
   bytes from the input buffer, storing them into
   data
   .
  
data
    
    Storage for the read data.
size
    
    Maximum numbe rof bytes to read
Returns the number of bytes actually removed.