26     private $fileHandle;  variable in MaxMind\\Db\\Reader
56         $this->fileHandle = @fopen($database, 'rb');
57         if ($this->fileHandle === false) {
70         $metadataDecoder = new Decoder($this->fileHandle, $start);
74             $this->fileHandle,
129         if (!\is_resource($this->fileHandle)) {
214                 $bytes = Util::read($this->fileHandle, $baseOffset + $index * 3, 3);
219                 $bytes = Util::read($this->fileHandle, $baseOffset + 3 * $index, 4);
229                 $bytes = Util::read($this->fileHandle, $baseOffset + $index * 4, 4);
263         $handle = $this->fileHandle;
304         if (!\is_resource($this->fileHandle)) {
321         if (!\is_resource($this->fileHandle)) {
326         fclose($this->fileHandle);