protected function moveCoreFiles($downloadPath, $wildcard = '*.php')
	{
		$dir = realpath($downloadPath);
		$dst = dirname($dir);
		
		// Move the files up one level
		if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN')
		{
			shell_exec("move /Y $dir/$wildcard $dst/");
		}
		else
		{
			shell_exec("mv -f $dir/$wildcard $dst/");
		}
		
		// If there are no PHP files left in the package dir, remove the directory
		if (count(glob("$dir/*.php")) === 0)
		{
			if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN')
			{
				shell_exec("rd /S /Q $dir");
			}
			else
			{
				shell_exec("rm -Rf $dir");
			}
		}
	}