Resinset check for PHP_INI fopen flag. Refs #6596.

extension/qfq/qfq/helper/DownloadPage.php

@@ -40,6 +40,11 @@ class DownloadPage {
             $page = $baseUrl . $page;
         }
 
+        // Check php.ini
+        if (ini_get('allow_url_fopen') != '1') {
+            throw new UserReportException("php.ini: 'allow_url_fopen' is off and needs to be open to get '$page''", ERROR_DOWNLOAD_FOPEN_BLOCKED);
+        }
+
         // Download page
         $ctx = array(
             "ssl" => array(