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sanitize_rss: properly handle empty input

This commit is contained in:
Andrew Dolgov 2010-11-11 09:52:19 +03:00
parent 923818fc8d
commit 96811a55e6
1 changed files with 4 additions and 2 deletions
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6
functions.php
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@ -3707,10 +3707,10 @@
function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) { function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
$res = $str;
if (!$owner) $owner = $_SESSION["uid"]; if (!$owner) $owner = $_SESSION["uid"];
$res = trim($str); if (!$res) return '';
if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) { if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
// $res = strip_tags_long($res, // $res = strip_tags_long($res,
@ -3729,6 +3729,8 @@
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>'; </head>';
$res = trim($res); if (!$res) return '';
libxml_use_internal_errors(true); libxml_use_internal_errors(true);
$doc = new DOMDocument(); $doc = new DOMDocument();