Merge branch '3.4' into 4.2

* 3.4: (23 commits)
  fix cs
  Use mocks before replacing the error handler
  [Config] Do not use absolute path when computing the vendor freshness
  Bump minimum version of symfony/phpunit-bridge
  Container*::getServiceIds() should return an array of string
  [Config][ReflectionClassResource] Use ternary instead of null coaelscing operator
  [Validator] Add missing Russian and Ukrainian translations
  [Translation] Use HTTPS and fix a url
  [Config] Fix for signatures of typed properties
  [Validator] Add missing Hungarian translations
  [Validator] Add Lithuanian translation for Range validator
  Add HTTPS to a URL
  sync translation files
  PHPDoc fixes
  Add notInRange translation
  Add danish translation for Range validator
  Add german translation for Range validator
  Update validators.es.xlf
  [Validator] Add missing en and fr translation ids from 4.4
  [Debug][DebugClassLoader] Don't check class if the included file don't exist
  ...

Author: nicolas-grekas

Resource/ComposerResource.php

@@ -48,7 +48,7 @@ public function isFresh($timestamp)
     {
         self::refresh();
 
-        return self::$runtimeVendors === $this->vendors;
+        return array_values(self::$runtimeVendors) === array_values($this->vendors);
     }
 
     /**

Resource/ReflectionClassResource.php

@@ -142,7 +142,7 @@ private function generateSignature(\ReflectionClass $class)
 
             foreach ($class->getProperties(\ReflectionProperty::IS_PUBLIC | \ReflectionProperty::IS_PROTECTED) as $p) {
                 yield $p->getDocComment().$p;
-                yield print_r($defaults[$p->name], true);
+                yield print_r(isset($defaults[$p->name]) ? $defaults[$p->name] : null, true);
             }
         }
 

Tests/Resource/ReflectionClassResourceTest.php

@@ -134,6 +134,14 @@ public function provideHashedSignature()
         yield [1, 13, 'protected function prot($a = [123]) {}'];
         yield [0, 14, '/** priv docblock */'];
         yield [0, 15, ''];
+
+        if (\PHP_VERSION_ID >= 70400) {
+            // PHP7.4 typed properties without default value are
+            // undefined, make sure this doesn't throw an error
+            yield [1, 5, 'public array $pub;'];
+            yield [0, 7, 'protected int $prot;'];
+            yield [0, 9, 'private string $priv;'];
+        }
     }
 
     public function testEventSubscriber()