X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/80f6aca0c22984b79e24a19bc602258dd3caeb34..0a3c3827859e504fec64ca44a83ed2686ee318d5:/lib-php/ParameterParser.php

diff --git a/lib-php/ParameterParser.php b/lib-php/ParameterParser.php
index 32a848b9..dd637722 100644
--- a/lib-php/ParameterParser.php
+++ b/lib-php/ParameterParser.php
@@ -1,4 +1,12 @@
 <?php
+/**
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This file is part of Nominatim. (https://nominatim.org)
+ *
+ * Copyright (C) 2022 by the Nominatim developer community.
+ * For a full list of authors see the git log.
+ */
 
 namespace Nominatim;
 
@@ -90,14 +98,16 @@ class ParameterParser
         $aLanguages = array();
         $sLangString = $this->getString('accept-language', $sFallback);
 
-        if ($sLangString) {
-            if (preg_match_all('/(([a-z]{1,8})([-_][a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', $sLangString, $aLanguagesParse, PREG_SET_ORDER)) {
-                foreach ($aLanguagesParse as $iLang => $aLanguage) {
-                    $aLanguages[$aLanguage[1]] = isset($aLanguage[5])?(float)$aLanguage[5]:1 - ($iLang/100);
-                    if (!isset($aLanguages[$aLanguage[2]])) $aLanguages[$aLanguage[2]] = $aLanguages[$aLanguage[1]]/10;
+        if ($sLangString
+            && preg_match_all('/(([a-z]{1,8})([-_][a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', $sLangString, $aLanguagesParse, PREG_SET_ORDER)
+        ) {
+            foreach ($aLanguagesParse as $iLang => $aLanguage) {
+                $aLanguages[$aLanguage[1]] = isset($aLanguage[5])?(float)$aLanguage[5]:1 - ($iLang/100);
+                if (!isset($aLanguages[$aLanguage[2]])) {
+                    $aLanguages[$aLanguage[2]] = $aLanguages[$aLanguage[1]]/10;
                 }
-                arsort($aLanguages);
             }
+            arsort($aLanguages);
         }
         if (empty($aLanguages) && CONST_Default_Language) {
             $aLanguages[CONST_Default_Language] = 1;