' . esc_html__( 'Twitter settings', 'wordpress-seo' ) . '';
$yform->light_switch( 'twitter', __( 'Add Twitter card meta data', 'wordpress-seo' ) );
echo '';
printf(
/* translators: %s expands to <head> */
esc_html__( 'Add Twitter card meta data to your site\'s %s section.', 'wordpress-seo' ),
'<head>'
);
echo '
';
echo '
';
$yform->select( 'twitter_card_type', __( 'The default card type to use', 'wordpress-seo' ), WPSEO_Option_Social::$twitter_card_types );
do_action( 'wpseo_admin_twitter_section' );