vendor/maximebf/debugbar/src/DebugBar/DebugBar.php

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<?php
/*
 * This file is part of the DebugBar package.
 *
 * (c) 2013 Maxime Bouroumeau-Fuseau
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace DebugBar;

use ArrayAccess;
use DebugBar\DataCollector\DataCollectorInterface;
use DebugBar\Storage\StorageInterface;

/**
 * Main DebugBar object
 *
 * Manages data collectors. DebugBar provides an array-like access
 * to collectors by name.
 *
 * <code>
 *     $debugbar = new DebugBar();
 *     $debugbar->addCollector(new DataCollector\MessagesCollector());
 *     $debugbar['messages']->addMessage("foobar");
 * </code>
 */
class DebugBar implements ArrayAccess
{
    public static $useOpenHandlerWhenSendingDataHeaders = false;

    protected $collectors = array();

    protected $data;

    protected $jsRenderer;

    protected $requestIdGenerator;

    protected $requestId;

    protected $storage;

    protected $httpDriver;

    protected $stackSessionNamespace = 'PHPDEBUGBAR_STACK_DATA';

    protected $stackAlwaysUseSessionStorage = false;

    /**
     * Adds a data collector
     *
     * @param DataCollectorInterface $collector
     *
     * @throws DebugBarException
     * @return $this
     */
    public function addCollector(DataCollectorInterface $collector)
    {