*/
final class DeprecationCollector
{
private $twig;
public function __construct(Environment $twig)
{
$this->twig = $twig;
}
/**
* Returns deprecations for templates contained in a directory.
*
* @param string $dir A directory where templates are stored
* @param string $ext Limit the loaded templates by extension
*
* @return array An array of deprecations
*/
public function collectDir(string $dir, string $ext = '.twig') : array
{
$iterator = new \RegexIterator(new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir), \RecursiveIteratorIterator::LEAVES_ONLY), '{' . \preg_quote($ext) . '$}');
return $this->collect(new TemplateDirIterator($iterator));
}
/**
* Returns deprecations for passed templates.
*
* @param \Traversable $iterator An iterator of templates (where keys are template names and values the contents of the template)
*
* @return array An array of deprecations
*/
public function collect(\Traversable $iterator) : array
{
$deprecations = [];
\set_error_handler(function ($type, $msg) use(&$deprecations) {
if (\E_USER_DEPRECATED === $type) {
$deprecations[] = $msg;