clean up

src-php/app/internship/model/ArticleDao.php

@@ -7,7 +7,7 @@ use internship\bo\Article;
 class ArticleDao {
 	private EntityManager $em;
 
-	private function _init(EntityManager $em) {
+	private function _init(EntityManager $em): void {
 		$this->em = $em;
 	}