refs #4126 differentiate between user and system settings to make a plugin developers live as easy and as secure as possible, add automatically validator in case field options are set, for security allow only names that are alNum

1 files changed, 11 insertions, 0 deletions

diff --git a/core/Common.php b/core/Common.php
index 2c28ca720e..c07a73e292 100644
--- a/core/Common.php
+++ b/core/Common.php
@@ -619,6 +619,17 @@ class Common
         return 'Unknown error';
     }
 
+    public static function stringEndsWith($haystack, $needle)
+    {
+        if ('' === $needle) {
+            return true;
+        }
+
+        $lastCharacters = substr($haystack, -strlen($needle));
+
+        return $lastCharacters === $needle;
+    }
+
     /**
      * Returns the list of parent classes for the given class.
      *