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Edit File: DumpExtension.php
<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Bridge\Twig\Extension; use Symfony\Bridge\Twig\TokenParser\DumpTokenParser; use Symfony\Component\VarDumper\Cloner\ClonerInterface; use Symfony\Component\VarDumper\Dumper\HtmlDumper; use Twig\Environment; use Twig\Extension\AbstractExtension; use Twig\Template; use Twig\TwigFunction; /** * Provides integration of the dump() function with Twig. * * @author Nicolas Grekas <p@tchwork.com> */ class DumpExtension extends AbstractExtension { private $cloner; private $dumper; public function __construct(ClonerInterface $cloner, HtmlDumper $dumper = null) { $this->cloner = $cloner; $this->dumper = $dumper; } public function getFunctions() { return [ new TwigFunction('dump', [$this, 'dump'], ['is_safe' => ['html'], 'needs_context' => true, 'needs_environment' => true]), ]; } public function getTokenParsers() { return [new DumpTokenParser()]; } public function getName() { return 'dump'; } public function dump(Environment $env, $context) { if (!$env->isDebug()) { return null; } if (2 === \func_num_args()) { $vars = []; foreach ($context as $key => $value) { if (!$value instanceof Template) { $vars[$key] = $value; } } $vars = [$vars]; } else { $vars = \func_get_args(); unset($vars[0], $vars[1]); } $dump = fopen('php://memory', 'r+b'); $this->dumper = $this->dumper ?: new HtmlDumper(); $this->dumper->setCharset($env->getCharset()); foreach ($vars as $value) { $this->dumper->dump($this->cloner->cloneVar($value), $dump); } return stream_get_contents($dump, -1, 0); } }