<?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;
$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;