for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
declare(strict_types=1);
namespace Phpml\Dataset;
use Phpml\Exception\FileException;
class CsvDataset extends ArrayDataset
{
/**
* @var array
*/
protected $columnNames;
* @param string $filepath
* @param int $features
* @param bool $headingRow
*
* @throws FileException
public function __construct(string $filepath, int $features, bool $headingRow = true)
if (!file_exists($filepath)) {
throw FileException::missingFile(basename($filepath));
}
if (false === $handle = fopen($filepath, 'rb')) {
throw FileException::cantOpenFile(basename($filepath));
if ($headingRow) {
$data = fgetcsv($handle, 1000, ',');
$this->columnNames = array_slice($data, 0, $features);
} else {
$this->columnNames = range(0, $features - 1);
while (($data = fgetcsv($handle, 1000, ',')) !== false) {
$this->samples[] = array_slice($data, 0, $features);
$this->targets[] = $data[$features];
fclose($handle);
* @return array
public function getColumnNames()
return $this->columnNames;
php-ai /
php-ml
