Event.php

1. 8.x drupal/core/vendor/guzzle/common/Guzzle/Common/Event.php
2. 8.x drupal/core/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/Event.php

<?php

namespace Guzzle\Common;

use Symfony\Component\EventDispatcher\Event as SymfonyEvent;

/**
 * Default event for Guzzle notifications
 */
class Event extends SymfonyEvent implements \ArrayAccess, \IteratorAggregate {

  /**
   * @var array
   */
  private $context;

  /**
   * Constructor
   *
   * @param array $context Contextual information
   */
  public function __construct(array $context = array()) {
    $this->context = $context;
  }

  /**
   * {@inheritdoc}
   */
  public function getIterator() {
    return new \ArrayIterator($this->context);
  }

  /**
   * {@inheritdoc}
   */
  public function offsetGet($offset) {
    return array_key_exists($offset, $this->context) ? $this->context[$offset] : null;
  }

  /**
   * {@inheritdoc}
   */
  public function offsetSet($offset, $value) {
    $this->context[$offset] = $value;
  }

  /**
   * {@inheritdoc}
   */
  public function offsetExists($offset) {
    return array_key_exists($offset, $this->context);
  }

  /**
   * {@inheritdoc}
   */
  public function offsetUnset($offset) {
    unset($this->context[$offset]);
  }

}