public function index() {
		$isAppInstalled = $this->Installer->isAppInstalled();
		$isAppReadyInstall = $this->InstallerCheck->isAppReadyToInstall();
		$phpVesion = $this->InstallerCheck->checkPhpVersion();
		$phpModules = $this->InstallerCheck->checkPhpExtensions();
		$filesWritable = $this->InstallerCheck->checkFilesWritable();
		$connectDB = $this->InstallerCheck->checkConnectDb();

		$this->set(compact(
			'isAppInstalled',
			'isAppReadyInstall',
			'phpVesion',
			'phpModules',
			'filesWritable',
			'connectDB'
		));
	}