Switch to `is_string` native method

2017-03-24 16:26:16 +01:00 · 2017-03-24 16:26:16 +01:00 · 91b665c12a
parent 6071ff6c8f
commit 91b665c12a
1 changed files with 1 additions and 1 deletions
--- a/src/Symfony/Component/Validator/Constraints/UrlValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/UrlValidator.php
@ -80,7 +80,7 @@ class UrlValidator extends ConstraintValidator
        if ($constraint->checkDNS) {
            $host = parse_url($value, PHP_URL_HOST);

-            if ('' === $host || !checkdnsrr($host, 'ANY')) {
+            if (!is_string($host) || !checkdnsrr($host, 'ANY')) {
                if ($this->context instanceof ExecutionContextInterface) {
                    $this->context->buildViolation($constraint->dnsMessage)
                       ->setParameter('{{ value }}', $this->formatValue($host))