/**
* Create (load) ANN saved from file
* @param string filename with absolute path
* @return void
*/
public function create_from_file($filename)
{
$this->annId = fann_create_from_file($filename);
if ($this->annId < 0) {
die('Could not initialize another ANN network.');
}
}
public function __construct($inputNeurons, $outputNeurons, $hiddenLayers, $hiddenNeurons, $file = '')
{
$this->file = $file;
if (!empty($this->file) && is_readable($this->file)) {
$this->ann = fann_create_from_file($this->file);
}
if (!$this->ann) {
/**
* layers
* layer 1 (input layer)
* layer 2 (hidden layer 1)
* .
* .
* layer 5 (output layer)
*/
$layers = $this->createLayersArray($inputNeurons, $outputNeurons, $hiddenLayers, $hiddenNeurons);
$this->ann = fann_create_standard_array(count($layers), $layers);
}
fann_set_activation_function_hidden($this->ann, FANN_SIGMOID_SYMMETRIC);
fann_set_activation_function_output($this->ann, FANN_SIGMOID);
fann_set_training_algorithm($this->ann, FANN_TRAIN_BATCH);
}
/**
* Create From File.
*
* @return bool
*/
public function createFromFile()
{
# Create neural network configuration file if it doesn't already exist.
if (!is_file($this->getConfigurationFile())) {
$this->createStandard();
$this->save();
}
# Create neural network from file.
$this->ann = fann_create_from_file($this->getConfigurationFile());
if ($this->ann === false) {
throw new Exception(sprintf("Failed to create ann from network configuration file: %s.", $this->getConfigurationFile()), 1);
}
if ($this->ann === false) {
return false;
} else {
return true;
}
}
<?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);
<?php
namespace MachineLearning;
use MachineLearning\Util\Input;
include 'Util/Input.php';
$ann = fann_create_from_file('Data/training_result');
if (!$ann) {
die("ANN could not be created");
}
$input = new Input();
$comments[] = '//simple comment';
$comments[] = '/**
* Returns the same version for all assets.
*
* @author Fabien Potencier <*****@*****.**>
*/';
$comments[] = '// $this->getAll(3);';
$comments[] = '//fix for v1.2';
$comments[] = '/* if ($path && \'/\' == $path[0]) {
return \'/\'.$versionized;
}*/';
$comments[] = '// We have server(s) -> apply default configuration';
$comments[] = '/* The <info>%command.name%</info> command clears the application cache for a given environment
and debug mode:
<info>php %command.full_name% --env=dev</info>
<info>php %command.full_name% --env=prod --no-debug</info>*/';
$comments[] = '// avoid shutting down the Kernel if no request has been performed yet
// WebTestCase::createClient() boots the Kernel but do not handle a request';
foreach ($comments as $comment) {
