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-rw-r--r--engine/lib/input.php6
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);