diff options
Diffstat (limited to 'system/libraries/Validation.php')
| -rw-r--r-- | system/libraries/Validation.php | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/system/libraries/Validation.php b/system/libraries/Validation.php index 162d362da..7720a7d17 100644 --- a/system/libraries/Validation.php +++ b/system/libraries/Validation.php @@ -573,6 +573,23 @@ class CI_Validation { // --------------------------------------------------------------------
/**
+ * Valid Base64
+ *
+ * Tests a string for characters outside of the Base64 alphabet
+ * as defined by RFC 2045 http://www.faqs.org/rfcs/rfc2045
+ *
+ * @access public
+ * @param string
+ * @return bool
+ */
+ function valid_base64($str)
+ {
+ return (bool) ! preg_match('/[^a-zA-Z0-9\/\+=]/', $str);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Set Select
*
* Enables pull-down lists to be set to the value the user
|