CIntranetUtils::createAvatar

static function createAvatar($fields, $params = array(), $siteId = SITE_ID)
{
	if(!isset($params['AVATAR_SIZE']))
	{
		$params['AVATAR_SIZE'] = 100;
	}

	if (CModule::IncludeModule('socialnetwork'))
	{
		return CSocNetLogTools::FormatEvent_CreateAvatar($fields, $params, '', $siteId);
	}

	static $cachedAvatars = array();
	if (intval($fields['PERSONAL_PHOTO']) > 0)
	{
		if (empty($cachedAvatars[$params['AVATAR_SIZE']][$fields['PERSONAL_PHOTO']]))
		{
			$imageFile = CFile::getFileArray($fields['PERSONAL_PHOTO']);
			if ($imageFile !== false)
			{
				$file = CFile::resizeImageGet($imageFile, array(
					"width"  => $params['AVATAR_SIZE'],
					"height" => $params['AVATAR_SIZE']
				), BX_RESIZE_IMAGE_EXACT, false);

				$avatarPath = $file['src'];
				$cachedAvatars[$params['AVATAR_SIZE']][$fields['PERSONAL_PHOTO']] = $avatarPath;
			}
		}
	}

	return empty($cachedAvatars[$params['AVATAR_SIZE']][$fields['PERSONAL_PHOTO']])? null : $cachedAvatars[$params['AVATAR_SIZE']][$fields['PERSONAL_PHOTO']];
}