<?php
$num_input = 2;
$num_output = 1;
$num_layers = 3;
$num_neurons_hidden = 3;
$desired_error = 0.001;
$max_epochs = 500000;
$epochs_between_reports = 1000;

$ann = fann_create_standard($num_layers, $num_input, $num_neurons_hidden, $num_output);

if ($ann) {
	fann_set_activation_function_hidden($ann, FANN_SIGMOID_SYMMETRIC);
	fann_set_activation_function_output($ann, FANN_SIGMOID_SYMMETRIC);

	$filename = dirname(__FILE__) . "/xor.data";
	if (fann_train_on_file($ann, $filename, $max_epochs, $epochs_between_reports, $desired_error))
		fann_save($ann, dirname(__FILE__) . "/xor_float.net");

	fann_destroy($ann);
}
?>

<?php
$train_file = (dirname(__FILE__) . "/xor_float.net");
if (!is_file($train_file))
	die("The file xor_float.net has not been created! Please run simple_train.php to generate it");

$ann = fann_create_from_file($train_file);
if (!$ann)
	die("ANN could not be created");

$input = array(-1, 1);
$calc_out = fann_run($ann, $input);
printf("xor test (%f,%f) -> %f\n", $input[0], $input[1], $calc_out[0]);
fann_destroy($ann);
?>