Context parameters
  Context parameters — Context parameter listing
  
 
 
  Description
  
   These parameters can be set on a context
   using the stream_context_set_params() function.
  
  
 
  Parameters
  
   
    
     - 
      notificationcallable
- 
      
       A callable to be called when an event occurs on a stream.
       
       See 
       stream_notification_callback for more details.