function main()
{
if (!isset($_GET['url']) || !preg_match('#^http.?://.+\\.tumblr\\.com.*#i', $_GET['url'])) {
echo $_GET['url'];
exit('Hello Visitor!');
}
$strPageSource = getPageSource(encode_cjk_url($_GET['url']));
#get HTML page source code
!$strPageSource && echoImageNotFoundTextFileAndExit($_GET['url']);
$arrImagesUrls = parseImagesUrls($strPageSource);
#parse urls of images
$intCountOfImagesUrls = count($arrImagesUrls);
$intCountOfImagesUrls === 0 && echoImageNotFoundTextFileAndExit($_GET['url']);
#no image url found, echo error message as txt file.
$intCountOfImagesUrls === 1 && redirectAndExit(array_pop($arrImagesUrls));
#we got just one image url to be fetch, so no need for fetching, just redirect the browser to it.
$arrContentAndUrlOfValidImages = fetchImages($arrImagesUrls);
#not every url is available, so try every one.
$intCountOfValidImagesUrls = count($arrContentAndUrlOfValidImages['validImagesUrls']);
#check out the number of available urls
$intCountOfValidImagesUrls === 0 && echoImageNotFoundTextFileAndExit($_GET['url']);
$intCountOfValidImagesUrls === 1 && redirectAndExit(array_pop($arrContentAndUrlOfValidImages['validImagesUrls']));
#if we got just one available url, no need to pack the image cause we could just redirect the browser.
//when we got multiple images to deal with
$strZipString = makeZipPack($arrContentAndUrlOfValidImages['imageStrings'], $arrContentAndUrlOfValidImages['validImagesUrls']);
outputZipPackAsFileDownload($strZipString);
}
function main()
{
!isset($_GET['url']) && exit_script('Hello Tumblr!');
isImageUrl($_GET['url']) && redirect_location($_GET['url']) && exit_script();
$hosts_number = 4;
$hash_no = str_hash($_GET['url'], $hosts_number);
$redirect_url = "http://tumblr-images-{$hash_no}.appspot.com/fetch.php?url={$_GET['url']}";
$redirect_url = encode_cjk_url($redirect_url);
redirect_location($redirect_url);
}
function main()
{
$html = get_page(encode_cjk_url($_GET['url']));
$img_urls = parse_img_urls($html);
switch (count($img_urls)) {
case 0:
exit_with_msg('Images not found');
break;
case 1:
redirect_location(array_pop($img_urls));
break;
default:
output_zip(make_zip(fetch_and_store_images($img_urls)));
break;
}
}