diff options
Diffstat (limited to 'system/libraries/Form_validation.php')
| -rw-r--r-- | system/libraries/Form_validation.php | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php index 1ed50844c..40ba01202 100644 --- a/system/libraries/Form_validation.php +++ b/system/libraries/Form_validation.php @@ -1405,7 +1405,7 @@ class CI_Form_validation { */ public function valid_base64($str) { - return ! preg_match('/[^a-zA-Z0-9\/\+=]/', $str); + return (base64_encode(base64_decode($str)) === $str); } // -------------------------------------------------------------------- |