/**
* Retrieve application installation flag
*
* @param string|array $options
* @return bool
*/
public static function isInstalled()
{
if (null === self::$_isInstalled) {
$configFile = APPLICATION_PATH . DS . 'configs' . DS . 'application.ini';
self::$_isInstalled = false;
if (is_readable($configFile)) {
require_once 'Zend/Config/Ini.php';
$config = new Zend_Config_Ini($configFile);
date_default_timezone_set('UTC');
if (($date = $config->production->installed->date) && strtotime($date)) {
self::$_isInstalled = true;
}
}
}
return self::$_isInstalled;
}
