Merged 5605:5622 from 1.7 to trunk.

git-svn-id: http://code.elgg.org/elgg/trunk@5623 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 4 insertions, 2 deletions

diff --git a/engine/lib/input.php b/engine/lib/input.php
index e21c909fc..26416d646 100644
--- a/engine/lib/input.php
+++ b/engine/lib/input.php
@@ -77,8 +77,10 @@ function set_input($variable, $value) {
 
 /**
  * Filter tags from a given string based on registered hooks.
- * @param $var
- * @return mixed The filtered result
+ *
+ * @param mixed $var Anything that does not include an object (strings, ints, arrays)
+ *					This includes multi-dimensional arrays.
+ * @return mixed The filtered result - everything will be strings
  */
 function filter_tags($var) {
 	return trigger_plugin_hook('validate', 'input', null, $var);