fann_set_callback

(PECL fann >= 1.0.0)

fann_set_callback — Sets the callback function for use during training

fann_set_callback(resource $ann, callable $callback): bool

Sets the callback function for use during training. It means that it is called from fann_train_on_data() or fann_train_on_file() .

ann

Neural network resource .

callback

The supplied callback function takes following parameters:

ann - The neural network resource
train - The train data resource or null if called from fann_train_on_file()
max_epochs - The maximum number of epochs the training should continue
epochs_between_reports - The number of epochs between calling this function
desired_error - The desired fann_get_MSE() or fann_get_bit_fail() , depending on the stop function chosen by fann_set_train_stop_function()
epochs - The current epoch

The callback should return true . If it returns false , the training will terminate.

Returns true on success, or false otherwise.

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