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-rw-r--r--include/zid.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/zid.php b/include/zid.php
index e462f8357..ae7d9e252 100644
--- a/include/zid.php
+++ b/include/zid.php
@@ -37,7 +37,7 @@ function is_matrix_url($url) {
* @return string
*/
function zid($s, $address = '') {
- if (! strlen($s) || strpos($s,'zid='))
+ if (!$s || strpos($s,'zid='))
return $s;
$m = parse_url($s);