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