- header('Content-Length: ' . strlen($calendar));
- header("Content-Disposition: $disposition; filename=\"$fileName\"");
- header("Pragma: no-cache");
- header("Expires: 0");
- header("Cache-Control: no-cache, must-revalidate");
+ CRM_Utils_System::setHttpHeader('Content-Length', strlen($calendar));
+ CRM_Utils_System::setHttpHeader("Content-Disposition", "$disposition; filename=\"$fileName\"");
+ CRM_Utils_System::setHttpHeader("Pragma", "no-cache");
+ CRM_Utils_System::setHttpHeader("Expires", "0");
+ CRM_Utils_System::setHttpHeader("Cache-Control", "no-cache, must-revalidate");