$resizedDir = (strpos($part, 'thumbs-') === 0 || strpos($part, 'scaled-') === 0);
$missingExtension = strpos($part, '.') === false;
$resizedDir = (strpos($part, 'thumbs-') === 0 || strpos($part, 'scaled-') === 0);
$missingExtension = strpos($part, '.') === false;