+
+function userError($sError)
+{
+ header('HTTP/1.0 400 Bad Request');
+ header('Content-type: text/html; charset=utf-8');
+ echo '<html><body><h1>Bad Request</h1>';
+ echo '<p>Nominatim has encountered an error with your request.</p>';
+ echo '<p><b>Details:</b> '.$sError.'</p>';
+ echo '<p>If you feel this error is incorrect feel file an issue on <a href="https://github.com/openstreetmap/Nominatim/issues">Github</a>. ';
+ echo 'Please include the error message above and the URL you used.</p>';
+ echo "\n</body></html>\n";
+ exit;
+}
+
+
+/***************************************************************************
+ * HTTP Reply header setup
+ */
+
+if (CONST_NoAccessControl) {
+ header('Access-Control-Allow-Origin: *');
+ header('Access-Control-Allow-Methods: OPTIONS,GET');
+ if (!empty($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS'])) {
+ header('Access-Control-Allow-Headers: '.$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']);