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home / cbholdings / pasukulu / lib / mlbackend / php / phpml / src / Phpml /

Editing: ModelManager.php

<?php

declare(strict_types=1);

namespace Phpml;

use Phpml\Exception\FileException;
use Phpml\Exception\SerializeException;

class ModelManager
{
    public function saveToFile(Estimator $estimator, string $filepath): void
    {
        if (!is_writable(dirname($filepath))) {
            throw new FileException(sprintf('File "%s" cannot be saved.', basename($filepath)));
        }

$serialized = serialize($estimator);
        if (!isset($serialized[0])) {
            throw new SerializeException(sprintf('Class "%s" cannot be serialized.', gettype($estimator)));
        }

$result = file_put_contents($filepath, $serialized, LOCK_EX);
        if ($result === false) {
            throw new FileException(sprintf('File "%s" cannot be saved.', basename($filepath)));
        }
    }

public function restoreFromFile(string $filepath): Estimator
    {
        if (!file_exists($filepath) || !is_readable($filepath)) {
            throw new FileException(sprintf('File "%s" cannot be opened.', basename($filepath)));
        }

$object = unserialize((string) file_get_contents($filepath));
        if ($object === false || !$object instanceof Estimator) {
            throw new SerializeException(sprintf('"%s" cannot be unserialized.', basename($filepath)));
        }

return $object;
    }
}

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Editing: ModelManager.php

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