gnu-social/src/DataFixtures/MediaFixtures.php

<?php

namespace App\DataFixtures;

use App\Core\DB\DB;
use App\Core\GSFile;
use App\Util\TemporaryFile;
use Doctrine\Bundle\FixturesBundle\Fixture;
use Doctrine\Persistence\ObjectManager;
use Exception;
use Functional as F;

class MediaFixtures extends Fixture
{
    public function load(ObjectManager $manager)
    {
        DB::setManager($manager);
        F\map(glob(INSTALLDIR . '/tests/sample-uploads/*'),
              function (string $filepath) {
                  $file = new TemporaryFile();
                  $file->write(file_get_contents($filepath));
                  try {
                      GSFile::sanitizeAndStoreFileAsAttachment($file);
                  } catch (Exception $e) {
                      echo "Could not save file {$filepath}, failed with {$e}\n";
                  } finally {
                      unset($file);
                  }
              });
        $manager->flush();
    }
}