more isset checks for PHP variables

[nominatim.git] / website / search.php

diff --git a/website/search.php b/website/search.php
index a619ed7805db9b3ffd0b8bbca2f224ecc8072c76..5ba2571bb5a221236db542b92312abd6e3d2951d 100755 (executable)
--- a/website/search.php
+++ b/website/search.php
@@ -1475,7 +1475,7 @@
                logEnd($oDB, $hLog, sizeof($aToFilter));
        }
        $sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);
-       $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
+       if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
        if ($bShowPolygons) $sMoreURL .= '&polygon=1';
        if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
        if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);