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Add function get_user_lang for getting user language based on cookies

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This commit is contained in:
Joshua Ramon Enslin 2021-04-14 17:59:11 +02:00
parent 919ffdb1b5
commit 56f4fdc88a
Signed by: jrenslin
GPG Key ID: 46016F84501B70AE
1 changed files with 39 additions and 0 deletions
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39
src/MD_STD.php
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@ -334,6 +334,45 @@ final class MD_STD {
}
/**
* Sets and returns user language based on a session cookie.
*
* @param array<string> $allowed_langs Allowed languages.
* @param string $default_lang Default language.
*
* @return string
*/
public function get_user_lang(array $allowed_langs, string $default_lang):string {
$cookie_options = [
'expires' => self::strtotime("+1 month"),
'path' => '/',
'domain' => $_SERVER['SERVER_NAME'],
'secure' => true,
'httponly' => true,
'samesite' => 'Lax' // None || Lax || Strict
];
if (isset($_GET['navlang']) and in_array($_GET['navlang'], $allowed_langs, true)) {
if (!(setcookie('lang', $_GET['navlang'], $cookie_options))) {
throw new Exception("Failed to set language");
}
$lang = $_GET['navlang'];
}
else if (isset($_COOKIE['lang']) and in_array($_COOKIE['lang'], $allowed_langs, true)) {
$lang = $_COOKIE['lang'];
}
else {
$lang = self::lang_getfrombrowser($allowed_langs, $default_lang, "", false);
if (!(setcookie('lang', $lang, $cookie_options))) {
throw new Exception("Failed to set language");
}
}
return $lang;
}
/**
* Function lang_getfrombrowser gets the browser language based on HTTP headers.
*