db = new \Core\Databases\Mysqli(); $this->db->connect('39.100.75.63:33060', 'root', 'mysql57-2020!d', 'prictice'); } public function getUserById($id) { $res = $this->db->query("select * from test where id=".$id)->fetch_all(MYSQLI_ASSOC)[0]; $this->id = $res['id']; $this->name = $res['name']; $this->mobile = $res['mobile']; $this->regtime = $res['regtime']; return $this; } public function save() { $sql = "update test set name = '{$this->name}',mobile = '{$this->mobile}',regtime = '{$this->regtime}' where id = '{$this->id}'"; $this->db->query($sql); } public function getIds() { return $this->db->query("select id from test")->fetch_all(MYSQLI_ASSOC); } }