Merge branch '4.4'

* 4.4:
  #32853 Check if $this->parameters is array.
  [Mailer] added debug info on HTTP transport exceptions
  [Validator] Improve Fa translations

src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php

@@ -1043,7 +1043,7 @@ private function startClass(string $class, string $baseClass, string $baseClassW
  */
 class $class extends $baseClass
 {
-    private \$parameters;
+    private \$parameters = [];
     private \$targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/container_alias_deprecation.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_Aliases_Deprecation extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_constructor_without_arguments.php

@@ -18,7 +18,7 @@
  */
 class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tests\Fixtures\Container\ConstructorWithoutArgumentsContainer
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_with_mandatory_constructor_arguments.php

@@ -18,7 +18,7 @@
  */
 class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tests\Fixtures\Container\ConstructorWithMandatoryArgumentsContainer
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_with_optional_constructor_arguments.php

@@ -18,7 +18,7 @@
  */
 class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tests\Fixtures\Container\ConstructorWithOptionalArgumentsContainer
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/custom_container_class_without_constructor.php

@@ -18,7 +18,7 @@
  */
 class ProjectServiceContainer extends \Symfony\Component\DependencyInjection\Tests\Fixtures\Container\NoConstructorContainer
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1-1.php

@@ -18,7 +18,7 @@
  */
 class Container extends \Symfony\Component\DependencyInjection\Dump\AbstractContainer
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services10.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services12.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services13.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services19.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services24.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services26.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_EnvParameters extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services33.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services8.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_as_files.txt

@@ -373,7 +373,7 @@ class ProjectServiceContainer extends Container
 {
     private $buildParameters;
     private $containerDir;
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct(array $buildParameters = [], $containerDir = __DIR__)

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_inlined_factories.txt

@@ -39,7 +39,7 @@ class ProjectServiceContainer extends Container
 {
     private $buildParameters;
     private $containerDir;
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct(array $buildParameters = [], $containerDir = __DIR__)

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_lazy_inlined_factories.txt

@@ -29,7 +29,7 @@ class ProjectServiceContainer extends Container
 {
     private $buildParameters;
     private $containerDir;
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct(array $buildParameters = [], $containerDir = __DIR__)

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_adawson.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_almost_circular_private.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_Almost_Circular_Private extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_almost_circular_public.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_Almost_Circular_Public extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_array_params.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_base64_env.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_Base64Parameters extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_csv_env.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_CsvParameters extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_dedup_lazy_proxy.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_deep_graph.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_Deep_Graph extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_default_env.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_DefaultParameters extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_env_in_id.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_errored_definition.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Errored_Definition extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_inline_requires.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_inline_self_ref.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_Inline_Self_Ref extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_json_env.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_JsonParameters extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_locator.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_non_shared_lazy.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_non_shared_lazy_as_files.txt

@@ -45,7 +45,7 @@ class ProjectServiceContainer extends Container
 {
     private $buildParameters;
     private $containerDir;
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct(array $buildParameters = [], $containerDir = __DIR__)

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_frozen.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_in_expression.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_query_string_env.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_QueryStringParameters extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_rot13_env.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Test_Rot13Parameters extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
     private $getService;
 

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_service_locator_argument.php

@@ -16,7 +16,7 @@
  */
 class Symfony_DI_PhpDumper_Service_Locator_Argument extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
     private $getService;
 

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_subscriber.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
     private $getService;
 

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_tsantos.php

@@ -16,7 +16,7 @@
  */
 class ProjectServiceContainer extends Container
 {
-    private $parameters;
+    private $parameters = [];
     private $targetDirs = [];
 
     public function __construct()