/**
* Builds XHTML to display the control.
* The main purpose of this overloading is to display a warning when https
* is not supported by the server
* @param string $data Unused
* @param string $query
* @return string XHTML
*/
public function output_html($data, $query = '')
{
global $CFG, $OUTPUT;
$html = parent::output_html($data, $query);
if ((string) $data === $this->yes) {
require_once $CFG->dirroot . "/lib/filelib.php";
$curl = new curl();
$httpswwwroot = str_replace('http:', 'https:', $CFG->wwwroot);
//force https url
$curl->head($httpswwwroot . "/login/index.php");
$info = $curl->get_info();
if (empty($info['http_code']) or $info['http_code'] >= 400) {
$html .= $OUTPUT->notification(get_string('nohttpsformobilewarning', 'admin'));
}
}
return $html;
}
