Debug.php

1. 8.x drupal/core/vendor/twig/twig/lib/Twig/Extension/Debug.php
2. 8.x drupal/core/vendor/symfony/debug/Symfony/Component/Debug/Debug.php
3. 8.x drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Util/Debug.php

<?php

/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */
namespace Doctrine\Common\Util;


/**
 * Static class containing most used debug methods.
 *
 * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @link    www.doctrine-project.org
 * @since   2.0
 * @author  Guilherme Blanco <guilhermeblanco@hotmail.com>
 * @author  Jonathan Wage <jonwage@gmail.com>
 * @author  Roman Borschel <roman@code-factory.org>
 * @author  Giorgio Sironi <piccoloprincipeazzurro@gmail.com>
 */
final class Debug {

  /**
   * Private constructor (prevents from instantiation)
   *
   */
  private function __construct() {
  }

  /**
   * Prints a dump of the public, protected and private properties of $var.
   *
   * @link http://xdebug.org/
   * @param mixed $var
   * @param integer $maxDepth Maximum nesting level for object properties
   * @param boolean $stripTags Flag that indicate if output should strip HTML tags
   */
  public static function dump($var, $maxDepth = 2, $stripTags = true) {
    ini_set('html_errors', 'On');
    if (extension_loaded('xdebug')) {
      ini_set('xdebug.var_display_max_depth', $maxDepth);
    }
    $var = self::export($var, $maxDepth++);
    ob_start();
    var_dump($var);
    $dump = ob_get_contents();
    ob_end_clean();
    echo $stripTags ? strip_tags(html_entity_decode($dump)) : $dump;
    ini_set('html_errors', 'Off');
  }

  /**
   * Export
   *
   * @param mixed $var
   * @param int $maxDepth
   * @return mixed
   */
  public static function export($var, $maxDepth) {
    $return = null;
    $isObj = is_object($var);
    if ($isObj && in_array('Doctrine\\Common\\Collections\\Collection', class_implements($var))) {
      $var = $var
        ->toArray();
    }
    if ($maxDepth) {
      if (is_array($var)) {
        $return = array();
        foreach ($var as $k => $v) {
          $return[$k] = self::export($v, $maxDepth - 1);
        }
      }
      else {
        if ($isObj) {
          $return = new \stdclass();
          if ($var instanceof \DateTime) {
            $return->__CLASS__ = "DateTime";
            $return->date = $var
              ->format('c');
            $return->timezone = $var
              ->getTimeZone()
              ->getName();
          }
          else {
            $reflClass = ClassUtils::newReflectionObject($var);
            $return->__CLASS__ = ClassUtils::getClass($var);
            if ($var instanceof \Doctrine\Common\Persistence\Proxy) {
              $return->__IS_PROXY__ = true;
              $return->__PROXY_INITIALIZED__ = $var
                ->__isInitialized();
            }
            foreach ($reflClass
              ->getProperties() as $reflProperty) {
              $name = $reflProperty
                ->getName();
              $reflProperty
                ->setAccessible(true);
              $return->{$name} = self::export($reflProperty
                ->getValue($var), $maxDepth - 1);
            }
          }
        }
        else {
          $return = $var;
        }
      }
    }
    else {
      $return = is_object($var) ? get_class($var) : (is_array($var) ? 'Array(' . count($var) . ')' : $var);
    }
    return $return;
  }

  /**
   * Convert to string
   *
   * @param object $obj
   * @return string
   */
  public static function toString($obj) {
    return method_exists('__toString', $obj) ? (string) $obj : get_class($obj) . '@' . spl_object_hash($obj);
  }

}