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

Response/NativeResponse.php

@@ -113,11 +113,18 @@ public function __destruct()
 
     private function open(): void
     {
-        set_error_handler(function ($type, $msg) { throw new TransportException($msg); });
+        $url = $this->url;
+
+        set_error_handler(function ($type, $msg) use (&$url) {
+            if (E_NOTICE !== $type || 'fopen(): Content-type not specified assuming application/x-www-form-urlencoded' !== $msg) {
+                throw new TransportException($msg);
+            }
+
+            $this->logger && $this->logger->info(sprintf('%s for "%s".', $msg, $url ?? $this->url));
+        });
 
         try {
             $this->info['start_time'] = microtime(true);
-            $url = $this->url;
 
             while (true) {
                 $context = stream_context_get_options($this->context);