Merge branch '4.3' into 4.4

* 4.3:
  Fix tests
  [Console] Fix commands description with numeric namespaces
  [HttpFoundation] Fixed typo
  [EventDispatcher] Better error reporting when arguments to dispatch() are swapped
  [Serializer] CsvEncoder::NO_HEADERS_KEY ignored when used in constructor
  [Form] Keep preferred_choices order for choice groups
  [Debug] work around failing chdir() on Darwin
  [PhpUnitBridge] Read configuration CLI directive
  [DI] Missing test on YamlFileLoader
  Revert "minor #34608 [Process] add tests for php executable finder if file does not exist (ahmedash95)"
  Simpler example for Apache basic auth workaround
  [Console] Fix trying to access array offset on value of type int
  [Config] Remove extra sprintf arg
  [VarDumper] notice on potential undefined index
  [HttpClient] turn exception into log when the request has no content-type
  [Process] add tests for php executable finder if file does not exist
  [Cache] Make sure we get the correct number of values from redis::mget()
  [TwigBridge] Add row_attr to all form themes
  [Serializer] Fix MetadataAwareNameConverter usage with string group

Author: nicolas-grekas

bin/simple-phpunit.php

@@ -14,15 +14,21 @@
 
 error_reporting(-1);
 
-$getEnvVar = function ($name, $default = false) {
+global $argv, $argc;
+$argv = isset($_SERVER['argv']) ? $_SERVER['argv'] : array();
+$argc = isset($_SERVER['argc']) ? $_SERVER['argc'] : 0;
+$getEnvVar = function ($name, $default = false) use ($argv) {
     if (false !== $value = getenv($name)) {
         return $value;
     }
 
     static $phpunitConfig = null;
     if (null === $phpunitConfig) {
+        $opt = min(array_search('-c', $opts = array_reverse($argv), true) ?: INF, array_search('--configuration', $opts, true) ?: INF);
         $phpunitConfigFilename = null;
-        if (file_exists('phpunit.xml')) {
+        if (INF !== $opt && isset($opts[$opt - 1])) {
+            $phpunitConfigFilename = $opts[$opt - 1];
+        } elseif (file_exists('phpunit.xml')) {
             $phpunitConfigFilename = 'phpunit.xml';
         } elseif (file_exists('phpunit.xml.dist')) {
             $phpunitConfigFilename = 'phpunit.xml.dist';
@@ -185,10 +191,6 @@ class SymfonyBlacklistPhpunit {}
     chdir($oldPwd);
 }
 
-global $argv, $argc;
-$argv = isset($_SERVER['argv']) ? $_SERVER['argv'] : array();
-$argc = isset($_SERVER['argc']) ? $_SERVER['argc'] : 0;
-
 if ($PHPUNIT_VERSION < 8.0) {
     $argv = array_filter($argv, function ($v) use (&$argc) { if ('--do-not-cache-result' !== $v) return true; --$argc; return false; });
 } elseif (filter_var(getenv('SYMFONY_PHPUNIT_DISABLE_RESULT_CACHE'), FILTER_VALIDATE_BOOLEAN)) {