(PECL mongo >= 1.5.0)
log_reply — Callback When Reading the MongoDB reply
$server
   , array $messageHeaders
   , array $operationHeaders
   )A callable function, used by the log_reply context option, when reading a reply from MongoDB.
Note:
This is not a real function, only a prototype of how the function should be.
server An array containing the basic information about the server that was picked.
| key | value | 
|---|---|
| hash | server hash, example: localhost:27017;-;X;56052 | 
| type | Node type (primary/secondary/mongos/arbiter): 2 | 
| max_bson_size | The maximum BSON Size over the wire this node accepts: 16777216 | 
| max_message_size | The maximum Message Size over the wire this node accepts: 48000000 | 
| request_id | The request identifier for this message: 42 | 
messageHeaders
    
| key | value | 
|---|---|
| length | integer, bytes, message reply length | 
| request_id | integer, the server request identifier | 
| response_id | integer, the driver request identifier this message is a response of | 
| opcode | integer, the opcode id | 
operationHeaders
    
| key | value | 
|---|---|
| flags | integer, bitmask of protocol flags | 
| cursor_id | integer, ID of the cursor created on the server (0 if none created, or its been exhausted) | 
| start | The starting offset of this cursor | 
| returned | integer, how many documents are returned in this trip |