protected function getVersion(Request $request)
{
$accept = $request->getHeader('Accept', false);
if (!$accept) {
return 1;
}
if (preg_match('/application\\/vnd\\.apigility\\.v(\\d+)\\+json/', $accept->getFieldValue(), $matches)) {
return (int) $matches[1];
}
return 1;
}