- $form .= '<td>' . wfInput( 'wpCaptchaWord', false, false, array( 'tabindex' => '1' ) ) . '</td></tr></table>';
- $form .= wfHidden( 'wpCaptchaId', $index );
+ $form .= '<td>' . Xml::input( 'wpCaptchaWord', false, false, array( 'tabindex' => '1' ) ) . '</td></tr></table>';
+ $form .= Xml::hidden( 'wpCaptchaId', $index );