function cs_get_site_cache()
{
global $cache;
$cache = json_decode(qa_db_cache_get('cs_cache', 0), true);
}
@ini_set('display_errors', 0);
function qa_image_db_fail_handler()
{
header('HTTP/1.1 500 Internal Server Error');
qa_exit('error');
}
// Load the Q2A base file which sets up a bunch of crucial stuff
require 'qa-base.php';
qa_report_process_stage('init_image');
// Retrieve the scaled image from the cache if available
require_once QA_INCLUDE_DIR . 'qa-db-cache.php';
qa_db_connect('qa_image_db_fail_handler');
$blobid = qa_get('qa_blobid');
$size = (int) qa_get('qa_size');
$cachetype = 'i_' . $size;
$content = qa_db_cache_get($cachetype, $blobid);
// see if we've cached the scaled down version
header('Cache-Control: max-age=2592000, public');
// allows browsers and proxies to cache images too
if (isset($content)) {
header('Content-Type: image/jpeg');
echo $content;
} else {
require_once QA_INCLUDE_DIR . 'qa-app-options.php';
require_once QA_INCLUDE_DIR . 'qa-app-blobs.php';
require_once QA_INCLUDE_DIR . 'qa-util-image.php';
// Otherwise retrieve the raw image and scale as appropriate
$blob = qa_read_blob($blobid);
if (isset($blob)) {
if ($size > 0) {
$content = qa_image_constrain_data($blob['content'], $width, $height, $size);
