Debug.php

1. 9.x drupal/core/vendor/twig/twig/lib/Twig/Extension/Debug.php
2. 9.x drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Util/Debug.php
3. 9.x drupal/core/vendor/kriswallsmith/assetic/tests/Assetic/Test/Factory/Loader/templates/debug.php

<?php

/*
 * This file is part of Twig.
 *
 * (c) 2011 Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
class Twig_Extension_Debug extends Twig_Extension {

  /**
   * Returns a list of global functions to add to the existing list.
   *
   * @return array An array of global functions
   */
  public function getFunctions() {

    // dump is safe if var_dump is overriden by xdebug
    $isDumpOutputHtmlSafe = extension_loaded('xdebug') && (false === ini_get('xdebug.overload_var_dump') || ini_get('xdebug.overload_var_dump')) && (false === ini_get('html_errors') || ini_get('html_errors'));
    return array(
      'dump' => new Twig_Function_Function('twig_var_dump', array(
        'is_safe' => $isDumpOutputHtmlSafe ? array(
          'html',
        ) : array(),
        'needs_context' => true,
        'needs_environment' => true,
      )),
    );
  }

  /**
   * Returns the name of the extension.
   *
   * @return string The extension name
   */
  public function getName() {
    return 'debug';
  }

}
function twig_var_dump(Twig_Environment $env, $context) {
  if (!$env
    ->isDebug()) {
    return;
  }
  ob_start();
  $count = func_num_args();
  if (2 === $count) {
    $vars = array();
    foreach ($context as $key => $value) {
      if (!$value instanceof Twig_Template) {
        $vars[$key] = $value;
      }
    }
    var_dump($vars);
  }
  else {
    for ($i = 2; $i < $count; $i++) {
      var_dump(func_get_arg($i));
    }
  }
  return ob_get_clean();
}