1.2.1500. ext/fann

Extension FANN : Fast Artificial Neural Network.

PHP binding for FANN library which implements multi-layer artificial neural networks with support for both fully connected and sparsely connected networks.

<?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);
}
?>

See also extension FANN, PHP-ML, Rubix ML and lib FANN.

1.2.1500.1. Specs

Short name

Extensions/Extfann

Rulesets

All, Appinfo, CE

Exakat since

0.8.4

PHP Version

All

Severity

Major

Time To Fix

Slow (1 hour)

Precision

High

Features

machine-learning

Available in

Entreprise Edition, Community Edition, Exakat Cloud