log_cmd_update
  Callback When Updating Documents
  
 
  Description
  
    log_cmd_update
    ( array $server
   , array $writeOptions
   , array $updateOptions
   , array $protocolOptions
   )
  
  Note: 
   
    This is not a real function, only a prototype of how the function should
    be.
   
  
  
 
  Parameters
  
     - 
 server
- 
  An array containing the basic information about the server that was picked.  
- 
 writeOptions
- 
    writeConcern array values    | key | value |   | fsync | boolean, force flushing to disk before returning |   | j | boolean, force journal write before returning |   | wtimeout | integer, milliseconds, maximum time the primary is allowed to wait to verify replication |   | w | integer=server count, or string=replication-tag |  
 
- 
     updateOptions
- 
     
       
- 
 protocolOptions
-