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<!DOCTYPE html>
<html>
<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\Translation\Loader;

use Piwik\Common;
/**
 * Loads translations from JSON files.
 */
class JsonFileLoader implements \Piwik\Translation\Loader\LoaderInterface
{
    /**
     * {@inheritdoc}
     */
    public function load($language, array $directories)
    {
        if (empty($language)) {
            return array();
        }
        $translations = array();
        foreach ($directories as $directory) {
            $filename = $directory . '/' . $language . '.json';
            if (!file_exists($filename)) {
                continue;
            }
            $translations = array_replace_recursive($translations, $this->loadFile($filename));
        }
        return $translations;
    }
    private function loadFile($filename)
    {
        $data = file_get_contents($filename);
        $translations = json_decode($data, \true);
        if (is_null($translations) && Common::hasJsonErrorOccurred()) {
            throw new \Exception(sprintf('Not able to load translation file %s: %s', $filename, Common::getLastJsonError()));
        }
        if (!is_array($translations)) {
            return array();
        }
        return $translations;
    }
}
