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-rw-r--r--include/functions_category.inc.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/functions_category.inc.php b/include/functions_category.inc.php
index 798efe35d..d22cbba93 100644
--- a/include/functions_category.inc.php
+++ b/include/functions_category.inc.php
@@ -342,7 +342,7 @@ SELECT DISTINCT(id)
* Finds a matching category id from a potential list of permalinks
*
* @param string[] $permalinks
- * @param int $idx filled with the index in $permalinks that matches
+ * @param int &$idx filled with the index in $permalinks that matches
* @return int|null
*/
function get_cat_id_from_permalinks($permalinks, &$idx)