EventListener::setCallback
  The setCallback purpose
  
 
  Description
  
   public
   void
    EventListener::setCallback
    ( 
    callable
     $cb
   
   [, 
    mixed
     $arg
     = NULL
   
  ] )
  
  
 
  Parameters
  
   
    - 
     cb
- 
     
      The new callback for new connections. Ignored if NULL.
 
      Should match the following prototype:
      
      void
       callback
       ([ 
       EventListener
        $listener=NULL[, 
       mixed$fd=NULL[, 
       array$address=NULL[, 
       mixed$arg=NULL]]]] )
 
       
       
        - 
         listener
- 
         
          The
          EventListener
          object.
          
- 
         fd
- 
         
          The file descriptor or a resource associated with the listener.
          
- 
         address
- 
         
          Array of two elements: IP address and the
          server
          port.
          
- 
         arg
- 
         
          User custom data attached to the callback.
          
 
- 
     arg
- 
     
      Custom user data attached to the callback. Ignored if NULL.
 
 
 
  Return Values
  
   No value is returned.