migration symfony 5 4 (#300)

* symfony 5.4 (diff dev)

* symfony 5.4 (working)

* symfony 5.4 (update autoload)

* symfony 5.4 (remove swiftmailer mailer implementation)

* symfony 5.4 (php doc and split Global accessor class)


### Impacted packages:

composer require php:">=7.2.5 <8.0.0" symfony/console:5.4.* symfony/dotenv:5.4.* symfony/framework-bundle:5.4.* symfony/twig-bundle:5.4.* symfony/yaml:5.4.* --update-with-dependencies

composer require symfony/stopwatch:5.4.* symfony/web-profiler-bundle:5.4.* --dev --update-with-dependencies

lib/symfony/console/Output/ConsoleOutput.php

@@ -30,16 +30,24 @@ use Symfony\Component\Console\Formatter\OutputFormatterInterface;
 class ConsoleOutput extends StreamOutput implements ConsoleOutputInterface
 {
     private $stderr;
+    private $consoleSectionOutputs = [];
 
     /**
      * @param int                           $verbosity The verbosity level (one of the VERBOSITY constants in OutputInterface)
      * @param bool|null                     $decorated Whether to decorate messages (null for auto-guessing)
      * @param OutputFormatterInterface|null $formatter Output formatter instance (null to use default OutputFormatter)
      */
-    public function __construct($verbosity = self::VERBOSITY_NORMAL, $decorated = null, OutputFormatterInterface $formatter = null)
+    public function __construct(int $verbosity = self::VERBOSITY_NORMAL, bool $decorated = null, OutputFormatterInterface $formatter = null)
     {
         parent::__construct($this->openOutputStream(), $verbosity, $decorated, $formatter);
 
+        if (null === $formatter) {
+            // for BC reasons, stdErr has it own Formatter only when user don't inject a specific formatter.
+            $this->stderr = new StreamOutput($this->openErrorStream(), $verbosity, $decorated);
+
+            return;
+        }
+
         $actualDecorated = $this->isDecorated();
         $this->stderr = new StreamOutput($this->openErrorStream(), $verbosity, $decorated, $this->getFormatter());
 
@@ -48,10 +56,18 @@ class ConsoleOutput extends StreamOutput implements ConsoleOutputInterface
         }
     }
 
+    /**
+     * Creates a new output section.
+     */
+    public function section(): ConsoleSectionOutput
+    {
+        return new ConsoleSectionOutput($this->getStream(), $this->consoleSectionOutputs, $this->getVerbosity(), $this->isDecorated(), $this->getFormatter());
+    }
+
     /**
      * {@inheritdoc}
      */
-    public function setDecorated($decorated)
+    public function setDecorated(bool $decorated)
     {
         parent::setDecorated($decorated);
         $this->stderr->setDecorated($decorated);
@@ -69,7 +85,7 @@ class ConsoleOutput extends StreamOutput implements ConsoleOutputInterface
     /**
      * {@inheritdoc}
      */
-    public function setVerbosity($level)
+    public function setVerbosity(int $level)
     {
         parent::setVerbosity($level);
         $this->stderr->setVerbosity($level);
@@ -116,10 +132,8 @@ class ConsoleOutput extends StreamOutput implements ConsoleOutputInterface
     /**
      * Checks if current executing environment is IBM iSeries (OS400), which
      * doesn't properly convert character-encodings between ASCII to EBCDIC.
-     *
-     * @return bool
      */
-    private function isRunningOS400()
+    private function isRunningOS400(): bool
     {
         $checks = [
             \function_exists('php_uname') ? php_uname('s') : '',
@@ -139,7 +153,8 @@ class ConsoleOutput extends StreamOutput implements ConsoleOutputInterface
             return fopen('php://output', 'w');
         }
 
-        return @fopen('php://stdout', 'w') ?: fopen('php://output', 'w');
+        // Use STDOUT when possible to prevent from opening too many file descriptors
+        return \defined('STDOUT') ? \STDOUT : (@fopen('php://stdout', 'w') ?: fopen('php://output', 'w'));
     }
 
     /**
@@ -147,6 +162,11 @@ class ConsoleOutput extends StreamOutput implements ConsoleOutputInterface
      */
     private function openErrorStream()
     {
-        return fopen($this->hasStderrSupport() ? 'php://stderr' : 'php://output', 'w');
+        if (!$this->hasStderrSupport()) {
+            return fopen('php://output', 'w');
+        }
+
+        // Use STDERR when possible to prevent from opening too many file descriptors
+        return \defined('STDERR') ? \STDERR : (@fopen('php://stderr', 'w') ?: fopen('php://output', 'w'));
     }
 }