Merge pull request zendframework/zendframework#2210 from weierophinney/hotfix/remove-suppression-operator

Get rid of error suppression

Author: Maks3w

src/Helper/Navigation/Sitemap.php

@@ -14,6 +14,7 @@
 use RecursiveIteratorIterator;
 use Zend\Navigation\AbstractContainer;
 use Zend\Navigation\Page\AbstractPage;
+use Zend\Stdlib\ErrorHandler;
 use Zend\Uri;
 use Zend\View;
 use Zend\View\Exception;
@@ -422,11 +423,14 @@ public function getDomSitemap(AbstractContainer $container = null)
 
         // validate using schema if specified
         if ($this->getUseSchemaValidation()) {
-            if (!@$dom->schemaValidate(self::SITEMAP_XSD)) {
+            ErrorHandler::start();
+            $test  = $dom->schemaValidate(self::SITEMAP_XSD);
+            $error = ErrorHandler::stop();
+            if (!$test) {
                 throw new Exception\RuntimeException(sprintf(
                     'Sitemap is invalid according to XML Schema at "%s"',
                     self::SITEMAP_XSD
-                ));
+                ), 0, $error);
             }
         }