public function create($nom) { $category = new Categorie($this->link); $category->setTitre($nom); $nom = mysqli_real_escape_string($this->link, $category->getCategory()); $request = "INSERT INTO categories VALUES(NULL, '" . $nom . "')"; $res = mysqli_query($this->link, $request); if ($res) { return $this->select(mysqli_insert_id($this->link)); } else { throw new Exception("Internal server error"); } }