llenar select php mysql

							<?php
								$conexion = new mysqli('localhost', 'cide', 'cidebd', 'bd_cide');
								?>
								<select name="departamento" id="departamento">
								    <?php
								    $result = $conexion->query("SELECT  idDepa, departamento FROM ubdepartamento");
								    if ($result->num_rows > 0) {
								        while ($row = $result->fetch_assoc()) {
								            echo '<option value="'.$row['idDepa'].'">'.$row['departamento'].'</option>';
								        }
								    }
								    ?>
								</select>