(PECL fann >= 1.0.0)
fann_set_callback — Sets the callback function for use during training
$ann
   , collable $callback
   )Sets the callback function for use during training. It means that it is called from fann_train_on_data() or fann_train_on_file().
annРесурс (resource) нейронной сети.
callbackThe supplied callback function takes following parameters:
NULL if called from fann_train_on_file()
      The callback should return TRUE. If it returns FALSE, the training will terminate.
     
Возвращает TRUE в случае успешного выполнения, или FALSE в противном случае.