use restore_error_handler instead of set_error_handler($previous)

bronze1man · fabpot · commit 461412ca124c · 2013-12-29T19:30:30.000+01:00
diff --git a/src/Symfony/Component/DomCrawler/Crawler.php b/src/Symfony/Component/DomCrawler/Crawler.php
@@ -148,15 +148,15 @@ public function addHtmlContent($content, $charset = 'UTF-8')
         $dom->validateOnParse = true;
 
         if (function_exists('mb_convert_encoding')) {
-            $has_error = false;
-            $previous = set_error_handler(function()use(&$has_error){
-                $has_error = true;
+            $hasError = false;
+            set_error_handler(function()use(&$hasError){
+                $hasError = true;
             });
             $tmpContent = @mb_convert_encoding($content, 'HTML-ENTITIES', $charset);
 
-            set_error_handler($previous);
+            restore_error_handler();
 
-            if (!$has_error) {
+            if (!$hasError) {
                 $content = $tmpContent;
             }
         }
