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-rw-r--r--system/libraries/Form_validation.php3
1 files changed, 2 insertions, 1 deletions
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 71d0e64b1..1619ec9a9 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1231,7 +1231,8 @@ class CI_Form_validation {
{
if (function_exists('idn_to_ascii') && preg_match('#\A([^@]+)@(.+)\z#', $str, $matches))
{
- $str = $matches[1].'@'.idn_to_ascii($matches[2]);
+ $variant = defined('INTL_IDNA_VARIANT_UTS46') ? INTL_IDNA_VARIANT_UTS46 : INTL_IDNA_VARIANT_2003;
+ $str = $matches[1].'@'.idn_to_ascii($matches[2], $variant);
}
return (bool) filter_var($str, FILTER_VALIDATE_EMAIL);