CGoogleOAuthInterface::GetCurrentUserFriends

public function GetCurrentUserFriends($limit, &$next)
{
	if($this->access_token === false)
		return false;

	$http = new HttpClient();
	$http->setHeader('GData-Version', '3.0');
	$http->setHeader('Authorization', 'Bearer '.$this->access_token);

	$url = static::FRIENDS_URL.'?';

	$limit = (int)$limit;
	$next = (int)$next;

	if ($limit > 0)
	{
		$url .= '&max-results='.$limit;
	}

	if ($next > 0)
	{
		$url .= '&start-index='.$next;
	}

	$result = $http->get($url);

	if (!defined("BX_UTF"))
	{
		$result = BitrixMainTextEncoding::convertEncoding($string, $charset_in, $charset_out)($result, "utf-8", LANG_CHARSET);
	}

	if((int)$http->getStatus() === 200)
	{
		$obXml = new CDataXML();
		if($obXml->loadString($result))
		{
			$tree = $obXml->getTree();

			$total = $tree->elementsByName("totalResults");
			$total = (int)$total[0]->textContent();

			$limitNode = $tree->elementsByName("itemsPerPage");
			$next += (int)$limitNode[0]->textContent();

			if($next >= $total)
			{
				$next = '__finish__';
			}

			$arFriends = array();
			$arEntries = $tree->elementsByName('entry');
			foreach($arEntries as $entry)
			{
				$arEntry = array();
				$entryChildren = $entry->children();

				foreach ($entryChildren as $child)
				{
					$tag = $child->name();

					switch($tag)
					{
						case 'category':
						case 'updated':
						case 'edited';
							break;

						case 'name':
							$arEntry[$tag] = array();
							foreach($child->children() as $subChild)
							{
								$arEntry[$tag][$subChild->name()] = $subChild->textContent();
							}
						break;

						case 'email':

							if($child->getAttribute('primary') == 'true')
							{
								$arEntry[$tag] = $child->getAttribute('address');
							}

						break;
						default:

							$tagContent = $tag == 'link'
								? $child->getAttribute('href')
								: $child->textContent();

							if($child->getAttribute('rel'))
							{
								if(!isset($arEntry[$tag]))
								{
									$arEntry[$tag] = array();
								}

								$arEntry[$tag][preg_replace("/^[^#]*#/", "", $child->getAttribute('rel'))] = $tagContent;
							}
							elseif(isset($arEntry[$tag]))
							{
								if(!is_array($arEntry[$tag][0]) || !isset($arEntry[$tag][0]))
								{
									$arEntry[$tag] = array($arEntry[$tag], $tagContent);
								}
								else
								{
									$arEntry[$tag][] = $tagContent;
								}
							}
							else
							{
								$arEntry[$tag] = $tagContent;
							}
					}
				}

				if($arEntry['email'])
				{
					$arFriends[] = $arEntry;
				}
			}
			return $arFriends;
		}
	}

	return false;
}