public static function unpack($string)
{
if (strlen($string) !== 8) {
throw new StorageException("The string is not 64 bit long.");
}
$unpack = unpack("d", $string);
if (!is_array($unpack) || !array_key_exists(1, $unpack)) {
throw new StorageException("Could not unpack string.");
}
return $unpack[1];
} /**
* @SuppressWarnings(PHPMD)
*/
public function getMicrotime()
{
if (fseek($this->fileHandle, 0) !== 0) {
throw new StorageException("Could not move to beginning of the file.");
}
$data = fread($this->fileHandle, 8);
if ($data === false) {
throw new StorageException("Could not read from storage.");
}
return DoublePacker::unpack($data);
}
