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-rw-r--r--system/libraries/Form_validation.php6
1 files changed, 5 insertions, 1 deletions
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 106907289..bea51648e 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1240,7 +1240,11 @@ class CI_Form_validation {
$domain = defined('INTL_IDNA_VARIANT_UTS46')
? idn_to_ascii($matches[2], 0, INTL_IDNA_VARIANT_UTS46)
: idn_to_ascii($matches[2]);
- $str = $matches[1].'@'.$domain;
+
+ if ($domain !== FALSE)
+ {
+ $str = $matches[1].'@'.$domain;
+ }
}
return (bool) filter_var($str, FILTER_VALIDATE_EMAIL);