public function update($id){ $file_temp = $this->picture['tmp_name']; $user_file = $this->picture['name']; $timestamp = date("Y").date("m").date("d").date("h").date("i").date("s"); $filepath = "uploads/".$timestamp.$user_file; if(move_uploaded_file($file_temp, $filepath)==false) { return false; } $db = new Db(); $sql = "UPDATE product SET ProductName='$this->productName', CateID='$this->cateID', Price='$this->price', Quantity='$this->quantity', Description='$this->description', Picture='$filepath' WHERE ProductID=$id"; $result = $db->query_execute($sql); return $result; }