Merge branch '4.3' into 4.4

* 4.3:
  fixed CS
  fixed CS
  fixed CS
  Do not log or call the proxy function when the locale is the same
  Added missing required dependencies on psr/cache and psr/container in symfony/cache-contracts and symfony/service-contracts respectively.
  [HttpClient] fix closing debug stream prematurely
  [Mailer] made code more robust
  Restore compatibility with php 5.5
  fixed sender/recipients in SMTP Envelope
  collect called listeners information only once
  [HttpKernel] Remove TestEventDispatcher.

Author: fabpot

Application.php

@@ -786,7 +786,7 @@ protected function doRenderException(\Exception $e, OutputInterface $output)
 
             if (false !== strpos($message, "class@anonymous\0")) {
                 $message = preg_replace_callback('/class@anonymous\x00.*?\.php0x?[0-9a-fA-F]++/', function ($m) {
-                    return \class_exists($m[0], false) ? get_parent_class($m[0]).'@anonymous' : $m[0];
+                    return class_exists($m[0], false) ? get_parent_class($m[0]).'@anonymous' : $m[0];
                 }, $message);
             }
 

Helper/ProcessHelper.php

@@ -51,7 +51,7 @@ public function run(OutputInterface $output, $cmd, $error = null, callable $call
 
         if (!\is_array($cmd)) {
             @trigger_error(sprintf('Passing a command as a string to "%s()" is deprecated since Symfony 4.2, pass it the command as an array of arguments instead.', __METHOD__), E_USER_DEPRECATED);
-            $cmd = [\method_exists(Process::class, 'fromShellCommandline') ? Process::fromShellCommandline($cmd) : new Process($cmd)];
+            $cmd = [method_exists(Process::class, 'fromShellCommandline') ? Process::fromShellCommandline($cmd) : new Process($cmd)];
         }
 
         if (\is_string($cmd[0] ?? null)) {

Helper/ProgressBar.php

@@ -250,7 +250,7 @@ public function setRedrawFrequency(int $freq)
      */
     public function iterate(iterable $iterable, ?int $max = null): iterable
     {
-        $this->start($max ?? (\is_countable($iterable) ? \count($iterable) : 0));
+        $this->start($max ?? (is_countable($iterable) ? \count($iterable) : 0));
 
         foreach ($iterable as $key => $value) {
             yield $key => $value;

Output/ConsoleSectionOutput.php

@@ -50,7 +50,7 @@ public function clear(int $lines = null)
         }
 
         if ($lines) {
-            \array_splice($this->content, -($lines * 2)); // Multiply lines by 2 to cater for each new line added between content
+            array_splice($this->content, -($lines * 2)); // Multiply lines by 2 to cater for each new line added between content
         } else {
             $lines = $this->lines;
             $this->content = [];

Tests/Helper/ProcessHelperTest.php

@@ -26,7 +26,7 @@ class ProcessHelperTest extends TestCase
     public function testVariousProcessRuns($expected, $cmd, $verbosity, $error)
     {
         if (\is_string($cmd)) {
-            $cmd = \method_exists(Process::class, 'fromShellCommandline') ? Process::fromShellCommandline($cmd) : new Process($cmd);
+            $cmd = method_exists(Process::class, 'fromShellCommandline') ? Process::fromShellCommandline($cmd) : new Process($cmd);
         }
 
         $helper = new ProcessHelper();
@@ -99,7 +99,7 @@ public function provideCommandsAndOutput()
         $args = new Process(['php', '-r', 'echo 42;']);
         $args = $args->getCommandLine();
         $successOutputProcessDebug = str_replace("'php' '-r' 'echo 42;'", $args, $successOutputProcessDebug);
-        $fromShellCommandline = \method_exists(Process::class, 'fromShellCommandline') ? [Process::class, 'fromShellCommandline'] : function ($cmd) { return new Process($cmd); };
+        $fromShellCommandline = method_exists(Process::class, 'fromShellCommandline') ? [Process::class, 'fromShellCommandline'] : function ($cmd) { return new Process($cmd); };
 
         return [
             ['', 'php -r "echo 42;"', StreamOutput::VERBOSITY_VERBOSE, null],

Tests/Helper/ProgressBarTest.php

@@ -884,7 +884,7 @@ public function testIterate(): void
     {
         $bar = new ProgressBar($output = $this->getOutputStream());
 
-        $this->assertEquals([1, 2], \iterator_to_array($bar->iterate([1, 2])));
+        $this->assertEquals([1, 2], iterator_to_array($bar->iterate([1, 2])));
 
         rewind($output->getStream());
         $this->assertEquals(
@@ -900,7 +900,7 @@ public function testIterateUncountable(): void
     {
         $bar = new ProgressBar($output = $this->getOutputStream());
 
-        $this->assertEquals([1, 2], \iterator_to_array($bar->iterate((function () {
+        $this->assertEquals([1, 2], iterator_to_array($bar->iterate((function () {
             yield 1;
             yield 2;
         })())));