function Wall($ua = false)
{
global $_GET, $_SERVER;
if (!$ua) {
$this->ua = isset($_GET['UA']) ? $_GET['UA'] : getenv('HTTP_USER_AGENT');
} else {
$this->ua = $ua;
}
if (defined('WALL_USE_TERA_WURFL') && WALL_USE_TERA_WURFL) {
switch (TERA_WURFL_VERSION) {
case 1:
require_once WURFL_CLASS_FILE;
$this->wurfl = new tera_wurfl();
$this->wurfl->getDeviceCapabilitiesFromAgent($this->ua);
break;
case 2:
// The class file was loaded in wall_prepend.php
$this->wurfl = new TeraWurfl();
if (!$ua) {
$this->ua = WurflSupport::getUserAgent();
}
$this->wurfl->getDeviceCapabilitiesFromAgent($this->ua);
break;
case 'webservice':
$this->wurfl = new TeraWurflRemoteClient(TERA_WURFL_WEBSERVICE_URL, TeraWurflRemoteClient::$FORMAT_JSON);
if (!$ua) {
$this->ua = TeraWurflRemoteClient::getUserAgent();
}
$this->wurfl->getCapabilitiesFromAgent($this->ua, $GLOBALS['WALLWurflCapabilities']);
break;
}
} else {
$this->wurfl = new wurfl_class();
$this->wurfl->getDeviceCapabilitiesFromAgent($this->ua);
}
ob_start(array($this, '_obCallBack'));
register_shutdown_function(array($this, '_obEndFlush'));
}
