Example #1
0
 public function __construct($expires = 900, $lastModified = 0, $prefix = '')
 {
     $this->expires = $expires;
     if (AppData::createFolder('cache/output') === false) {
         return null;
     }
     $this->lastModified = $lastModified === 0 ? REQUEST_TIME + $this->expires : $lastModified;
     $filename = INPHINIT_PATH . 'storage/cache/output/~';
     if (false === empty($prefix)) {
         $filename .= strlen($prefix) . '.' . sha1($prefix) . '_';
     }
     $path = \UtilsPath();
     $filename .= sha1($path) . '-' . strlen($path);
     $lastModify = $filename . '.1';
     $this->cacheName = $filename;
     if (file_exists($filename) && file_exists($lastModify)) {
         $data = file_get_contents($lastModify);
         if ($data !== false && $data > REQUEST_TIME) {
             $this->isCache = true;
             header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $data) . ' GMT');
             header('Etag: ' . sha1_file($filename));
             if (self::match($data)) {
                 Response::status(304);
             } else {
                 App::on('ready', array($this, 'show'));
             }
             return null;
         }
     }
     $this->cacheTmp = AppData::createTmp();
     $tmp = fopen($this->cacheTmp, 'wb');
     if ($tmp === false) {
         return null;
     }
     $this->handle = $tmp;
     App::on('ready', array($this, 'finish'));
     App::buffer(array($this, 'write'), 1024);
 }