1 files changed, 5 insertions, 1 deletions
diff --git a/lib/util.php b/lib/util.php
index de15d13de..a222f85f6 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -588,4 +588,8 @@ function common_log($priority, $msg) {
 
 function common_debug($msg) {
 	common_log(LOG_DEBUG, $msg);
-}
-\ No newline at end of file
+}
+
+function common_valid_http_url($url) {
+	return Validate::uri($url, array('allowed_schemes' => array('http', 'https')));
+}