public static function getConfig()
{
if (empty(self::$config)) {
$potentialFilesToLoad = array(dirname(__FILE__) . WIZ_DS . 'config.xml', dirname(__FILE__) . WIZ_DS . '..' . WIZ_DS . 'config.xml', $_SERVER['HOME'] . WIZ_DS . '.wiz.xml');
self::$config = simplexml_load_string('<config />', 'Wiz_Simplexml_Element');
foreach ($potentialFilesToLoad as $filePath) {
if (file_exists($filePath)) {
self::$config->extendByFile($filePath);
}
}
}
return self::$config;
}
