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-rw-r--r--includes/common.inc3
1 files changed, 3 insertions, 0 deletions
diff --git a/includes/common.inc b/includes/common.inc
index 445344f5c..bc9cac4eb 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -1861,6 +1861,9 @@ function mime_header_encode($string, $charset = 'UTF-8') {
* <?php ?> tags; in other words, we evaluate the code as if it were a stand-alone
* PHP file.
*
+ * Using this wrapper also ensures that the PHP code which is evaluated can not
+ * overwrite any variables in the calling code, unlike a regular eval() call.
+ *
* @param $code
* The code to evaluate.
* @return