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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\HttpKernel\EventListener;
  13  
  14  use Symfony\Component\Console\ConsoleEvents;
  15  use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  16  use Symfony\Component\VarDumper\Cloner\ClonerInterface;
  17  use Symfony\Component\VarDumper\Dumper\DataDumperInterface;
  18  use Symfony\Component\VarDumper\VarDumper;
  19  
  20  /**
  21   * Configures dump() handler.
  22   *
  23   * @author Nicolas Grekas <p@tchwork.com>
  24   */
  25  class DumpListener implements EventSubscriberInterface
  26  {
  27      private $cloner;
  28      private $dumper;
  29  
  30      public function __construct(ClonerInterface $cloner, DataDumperInterface $dumper)
  31      {
  32          $this->cloner = $cloner;
  33          $this->dumper = $dumper;
  34      }
  35  
  36      public function configure()
  37      {
  38          $cloner = $this->cloner;
  39          $dumper = $this->dumper;
  40  
  41          VarDumper::setHandler(function ($var) use ($cloner, $dumper) {
  42              $dumper->dump($cloner->cloneVar($var));
  43          });
  44      }
  45  
  46      public static function getSubscribedEvents()
  47      {
  48          // Register early to have a working dump() as early as possible
  49          return array(ConsoleEvents::COMMAND => array('configure', 1024));
  50      }
  51  }