Bug #14203 Fix handling of empty tag string.

horde · Dec 29, 2015 · 32ec4c1 · 32ec4c1
1 parent 4922efa
commit 32ec4c1
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/framework/Core/lib/Horde/Core/Tagger.php b/framework/Core/lib/Horde/Core/Tagger.php
@@ -88,7 +88,13 @@ public function __construct()
      */
     public function split($tags)
     {
+        // Short circuit empty tags since explode() will return an array
+        // such as [ 0 => '' ] in this case. See Bug #14203
+        if (empty($tags)) {
+            return array();
+        }
         $split_tags = explode(',', $tags);
+
         return array_map('trim', $split_tags);
     }