(PECL mysqlnd_qc >= 1.0.0)
mysqlnd_qc_set_user_handlers — Sets the callback functions for a user-defined procedural storage handler
$get_hash
   
   , 
    string
     $find_query_in_cache
   
   , 
    string
     $return_to_cache
   
   , 
    string
     $add_query_to_cache_if_not_exists
   
   , 
    string
     $query_is_select
   
   , 
    string
     $update_query_run_time_stats
   
   , 
    string
     $get_stats
   
   , 
    string
     $clear_cache
   
   ) : boolSets the callback functions for a user-defined procedural storage handler.
get_hash
    
      Name of the user function implementing the storage handler
      get_hash functionality.
     
find_query_in_cache
    
      Name of the user function implementing the storage handler
      find_in_cache functionality.
     
return_to_cache
    
      Name of the user function implementing the storage handler
      return_to_cache functionality.
     
add_query_to_cache_if_not_exists
    
      Name of the user function implementing the storage handler
      add_query_to_cache_if_not_exists functionality.
     
query_is_select
    
      Name of the user function implementing the storage handler
      query_is_select functionality.
     
update_query_run_time_stats
    
      Name of the user function implementing the storage handler
      update_query_run_time_stats functionality.
     
get_stats
    
      Name of the user function implementing the storage handler
      get_stats functionality.
     
clear_cache
    
      Name of the user function implementing the storage handler
      clear_cache functionality.
     
Returns TRUE on success or FALSE on FAILURE.