Fix PHP Warning: Use of undefined constant INTL_IDNA_VARIANT_UTS46 on servers without php-intl extension

7 years ago · cdf7a88b3e
parent a315f2b16d
commit cdf7a88b3e
1 changed files with 1 additions and 1 deletions
--- a/program/lib/Roundcube/rcube_utils.php
+++ b/program/lib/Roundcube/rcube_utils.php
@ -879,7 +879,7 @@ class rcube_utils

        // 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) {