public static function open($file)
{
global $config;
// static variable singleton
if (!self::$config_file) {
self::$config_file = $file;
}
// Check if config file exist and is readable, then include it
if (is_readable(self::$config_file)) {
require_once self::$config_file;
//echo 'configuration file <b>' . self::$config_file . '</b> succesfully loaded <br />';
self::$config = $config;
return true;
} else {
throw new Exception("Config file not found or bad file permissions");
}
}
