storage = $storage;
$this->setup();
}
protected function setup()
{
if (!is_dir($this->storage)) {
mkdir($this->storage, 0777, true);
if (!is_dir($this->storage)) {
throw new Exception('Could not create storage path: ' . $this->storage);
}
} elseif (!is_writable($this->storage)) {
throw new Exception($this->storage . ' is not writable');
}
}
protected function getCurrentFiles()
{
$storage = $this->storage;
$allFiles = array_map(
function ($file) use ($storage) {
$file = str_ireplace('.png', '', $file);
return substr($file, strlen($storage));
},
glob($this->storage . "*.png")
);
rsort($allFiles);
return $allFiles;
}
protected function getLastImage()
{
$allFiles = $this->getCurrentFiles();
return (count($allFiles) == 0) ? '' : $allFiles[0] . '.png';
}
protected function getNextImage()
{
$allFiles = $this->getCurrentFiles();
$fileName = (count($allFiles) == 0) ? 1 : ++$allFiles[0];
return $fileName . '.png';
}
protected function serveImage($filePath)
{
header("Content-Type: image/png");
header('Expires: 0');
header("Content-Length: " . filesize($filePath));
readfile($filePath);
die();
}
public function serveLastImage()
{
$image = $this->getLastImage();
$fullPath = $this->storage . $image;
$this->serveImage($fullPath);
}
public function saveImage($data)
{
$saveAs = $this->getNextImage();
$data = trim(str_replace('data:image/png;base64,', '', $data));
file_put_contents($this->storage . $saveAs, base64_decode($data));
}
}
$imageStorage = new ImageStorage($storage);
if (isset($_GET['image'])) {
$imageStorage->serveLastImage();
die();
}
$data = isset($_REQUEST[$paramName]) ? trim($_REQUEST[$paramName]) : '';
if (!empty($data)) {
$imageStorage->saveImage($data);
die();
}
?>
Beemka Image Viewer
