Merge branch '3.4' into 4.3

* 3.4:
  [Debug] fix ClassNotFoundFatalErrorHandler
  [Dotenv] Fixed infinite loop with missing quote followed by quoted value
  [TwigBridge] button_widget now has its title attr translated even if its label = null or false
  [PhpUnitBridge] When using phpenv + phpenv-composer plugin, composer executable is wrapped into a bash script
  [Security] Prevent canceled remember-me cookie from being accepted
  [FrameworkBundle][TranslationUpdateCommand] Do not output positive feedback on stderr

Author: nicolas-grekas

Command/TranslationUpdateCommand.php

@@ -199,12 +199,12 @@ protected function execute(InputInterface $input, OutputInterface $output)
             }
         }
 
-        $errorIo->title('Translation Messages Extractor and Dumper');
-        $errorIo->comment(sprintf('Generating "<info>%s</info>" translation files for "<info>%s</info>"', $input->getArgument('locale'), $currentName));
+        $io->title('Translation Messages Extractor and Dumper');
+        $io->comment(sprintf('Generating "<info>%s</info>" translation files for "<info>%s</info>"', $input->getArgument('locale'), $currentName));
 
         // load any messages from templates
         $extractedCatalogue = new MessageCatalogue($input->getArgument('locale'));
-        $errorIo->comment('Parsing templates...');
+        $io->comment('Parsing templates...');
         $this->extractor->setPrefix($input->getOption('prefix'));
         foreach ($viewsPaths as $path) {
             if (is_dir($path) || is_file($path)) {
@@ -214,7 +214,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
         // load any existing messages from the translation files
         $currentCatalogue = new MessageCatalogue($input->getArgument('locale'));
-        $errorIo->comment('Loading translation files...');
+        $io->comment('Loading translation files...');
         foreach ($transPaths as $path) {
             if (is_dir($path)) {
                 $this->reader->read($path, $currentCatalogue);
@@ -267,7 +267,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             }
 
             if ('xlf' === $input->getOption('output-format')) {
-                $errorIo->comment(sprintf('Xliff output version is <info>%s</info>', $input->getOption('xliff-version')));
+                $io->comment(sprintf('Xliff output version is <info>%s</info>', $input->getOption('xliff-version')));
             }
 
             $resultMessage = sprintf('%d message%s successfully extracted', $extractedMessagesCount, $extractedMessagesCount > 1 ? 's were' : ' was');
@@ -279,7 +279,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
         // save the files
         if (true === $input->getOption('force')) {
-            $errorIo->comment('Writing files...');
+            $io->comment('Writing files...');
 
             $bundleTransPath = false;
             foreach ($transPaths as $path) {
@@ -299,7 +299,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             }
         }
 
-        $errorIo->success($resultMessage.'.');
+        $io->success($resultMessage.'.');
 
         return null;
     }