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<?php
namespace League\Flysystem\Util;
class StreamHasher
{
/**
* @var string
*/
private $algo;
* StreamHasher constructor.
*
* @param string $algo
public function __construct($algo)
$this->algo = $algo;
}
* @param $resource
* @return string
public function hash($resource)
rewind($resource);
$context = hash_init($this->algo);
hash_update_stream($context, $resource);
fclose($resource);
return hash_final($context);