Windows upload issue

windows-upload-issue.html

$slash_type = (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') ? '\\' : '/';	
$env_config['upload_preferences'] = array(
	1 => array(
		 'name'        => 'Thumbnails',
		 'server_path' => $images_path . $slash_type. 'uploads' . $slash_type . 'thumbnails/',
		 'url'         => $images_url  . '/uploads/thumbnails/'
	),
);