function main()
{
!isset($_GET['url']) && exit_script('Hello Tumblr!');
$query_param = get_query_param($_GET['url']);
!$query_param && isImageUrl($_GET['url']) && redirect_location($_GET['url']) && exit_script();
!$query_param && echoTxtFile("NOT VALID TUMBLR URL: [{$_GET['url']}]") && exit_script();
$post_info = query_tumblr_api($query_param);
!$post_info && echoTxtFile("NO POST INFO FETCHED FROM TUMBLR WITH GIVEN URL: [{$_GET['url']}], THE POST MIGHT BE DELETED") && exit_script();
$post_info = $post_info['posts'][0];
switch ($post_info['type']) {
case 'link':
$output = <<<EOD
<p>Title: <h3>{$post_info['link-text']}</h3></p>
<p>link: <a href="{$post_info['link-url']}">{$post_info['link-url']}</a></p>
<p>Description:</p>
<p>{$post_info['link-description']}</p>
EOD;
echoHtmlFile($output);
exit_script();
break;
case 'regular':
$output = "<h3>{$post_info['regular-title']}</h3>{$post_info['regular-body']}";
echoHtmlFile($output);
exit_script();
break;
case 'answer':
$question = htmlCharsDecode($post_info['question']);
$answer = htmlCharsDecode($post_info['answer']);
$tags = implode(', ', $post_info['tags']);
$output = "[Q&A]\r\n\r\n{$question}\r\n\r\n{$answer}\r\n\r\nTags: {$tags}\r\n";
echoTxtFile($output);
exit_script();
break;
case 'video':
$url = get_video_url($post_info);
redirect_location($url) && exit_script();
break;
case 'photo':
default:
$urls = get_photo_urls($post_info);
$count = count($urls);
if ($count === 1) {
redirect_location($urls[0]);
exit_script();
} else {
$image_pack = fetch_images($urls);
$zip_str = makeZip($image_pack);
echoZipFile($zip_str);
exit_script();
}
break;
}
}
function return_recorded_data($record_data)
{
$data = $record_data['data'];
switch ($record_data['responseType']) {
case 'redirect':
redirect_location($data);
exit_script();
break;
case 'txt':
echoTxtFile($data);
exit_script();
break;
case 'html':
echoHtmlFile($data);
exit_script();
break;
case 'photoSet':
echoTxtFile($data);
exit_script();
break;
default:
echo 'unknow response type';
exit_script();
}
return true;
}