throw new Exception('Images not found - Either you didn\'t upload any or your session expired');
}
$padding = isset($_REQUEST['padding']) ? (int) $_REQUEST['padding'] : 3;
$padding = min(max(0, $padding), 25);
$type = 'png';
if (!empty($_REQUEST['output_type']) && in_array($_REQUEST['output_type'], ['jpeg', 'gif'])) {
$type = $_REQUEST['output_type'];
}
$reduceArtefacts = !empty($_REQUEST['jpeg_reduce_artefacts']) && $type == 'jpeg';
$prefix = '.';
if (!empty($_REQUEST['css_prefix'])) {
$prefix .= preg_replace('/[^a-z0-9_-]/ui', '', $_REQUEST['css_prefix']);
}
$s = new CssSprite($padding, $reduceArtefacts, $prefix);
$s->addDirectory($dir);
$s->pack();
$options = [];
if ($type == 'jpeg' && isset($_REQUEST['jpeg_quality'])) {
$options = [min(100, max(0, (int) $_REQUEST['jpeg_quality']))];
} elseif ($type == 'png') {
$options = [9, PNG_ALL_FILTERS];
}
$filepath = 'uploads/' . $token . '.' . $type;
file_put_contents($filepath, $s->getImage($type, $options));
$server = $_SERVER['HTTP_HOST'] == 'localhost:96' ? 'dev.justsayplease.co.uk:96' : $_SERVER['HTTP_HOST'];
$response->url = 'http://' . $server . dirname($_SERVER['PHP_SELF']) . '/uploads/' . $token . '.' . $type;
$response->css = $s->getCss();
//$s->smush($filepath, $response->url);
$oldSize = 0;
$response->info = [];
foreach ($s->getInfo() as $image) {
