Merge branch '3.4' into 4.4

* 3.4:
  Add Tagalog translations for validator messages 94, 95, 96 and 99
  PHPUnit's assertContains() performs strict comparisons now.
  [ClassLoader][Routing] Fix namespace parsing on php 8.
  Fix deprecated libxml_disable_entity_loader
  Made reference to PHPUnit\Util\XML::loadfile php5-compatible.
  [Validator] Add missing translations for german and vietnamese
  Modernized deprecated PHPUnit assertion calls
  [Console] The message of "class not found" errors has changed in php 8.
  The PHPUnit\Util\XML class has been removed in PHPUnit 9.3.
  [Console] Make sure we pass a numeric array of arguments to call_user_func_array().
  [Serializer] Fix that it will never reach DOMNode
  [Validator] sync translations
  [VarDumper] Improve previous fix on light array coloration
  [Cache] Fix #37667

Author: fabpot

Crawler.php

@@ -231,7 +231,9 @@ public function addXmlContent($content, $charset = 'UTF-8', $options = LIBXML_NO
         }
 
         $internalErrors = libxml_use_internal_errors(true);
-        $disableEntities = libxml_disable_entity_loader(true);
+        if (LIBXML_VERSION < 20900) {
+            $disableEntities = libxml_disable_entity_loader(true);
+        }
 
         $dom = new \DOMDocument('1.0', $charset);
         $dom->validateOnParse = true;
@@ -241,7 +243,9 @@ public function addXmlContent($content, $charset = 'UTF-8', $options = LIBXML_NO
         }
 
         libxml_use_internal_errors($internalErrors);
-        libxml_disable_entity_loader($disableEntities);
+        if (LIBXML_VERSION < 20900) {
+            libxml_disable_entity_loader($disableEntities);
+        }
 
         $this->addDocument($dom);