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@@ -53,7 +53,7 @@ function addlinkcategory($type) {
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$description = trim($description);
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// If title is empty, an error occurs
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- if (empty($urllink) || $urllink == 'http://') {
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+ if (filter_var($urllink, FILTER_VALIDATE_URL) == false) {
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$msgErr = get_lang('GiveURL');
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Display::display_error_message(get_lang('GiveURL'));
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$ok = false;
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