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HTTP_REFERER will usually be unset for caldav requests, prevent "Undefined index" warnings

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This commit is contained in:
Florian Schlichting 2019-12-06 18:17:18 +08:00
parent fb7ecc5282
commit 9d12734793
1 changed files with 1 additions and 1 deletions
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2
htdocs/always.php
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@ -45,7 +45,7 @@ function clean_get() {
if(isset($_POST)) array_walk($_POST, 'filter_post');
$_GET = clean_get();
$_SERVER['REQUEST_URI'] = str_replace("&", "&", htmlspecialchars($_SERVER['REQUEST_URI']));
$_SERVER['HTTP_REFERER'] = htmlspecialchars($_SERVER['HTTP_REFERER']);
$_SERVER['HTTP_REFERER'] = htmlspecialchars(@$_SERVER['HTTP_REFERER']);