Fix PHP Warning: Use of undefined constant INTL_IDNA_VARIANT_UTS46 on…

… servers without php-intl extension
roundcube · Dec 6, 2017 · cdf7a88 · cdf7a88
1 parent a315f2b
commit cdf7a88
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/program/lib/Roundcube/rcube_utils.php b/program/lib/Roundcube/rcube_utils.php
@@ -879,7 +879,7 @@ public static function idn_convert($input, $is_utf = false)
 
         // Note that in PHP 7.2/7.3 calling idn_to_* functions with default arguments
         // throws a warning, so we have to set the variant explicitely (#6075)
-        $variant = INTL_IDNA_VARIANT_UTS46;
+        $variant = defined('INTL_IDNA_VARIANT_UTS46') ? INTL_IDNA_VARIANT_UTS46 : null;
         $options = 0;
 
         if ($is_utf) {