38 lines
1.3 KiB
PHP
38 lines
1.3 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2019 Robin Appelman <robin@icewind.nl>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace Icewind\Streams;
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/**
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* Wrapper that calculates the hash on the stream on write
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*
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* The stream and hash should be passed in when wrapping the stream.
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* On close the callback will be called with the calculated checksum.
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*
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* For supported hashes see: http://php.net/manual/en/function.hash-algos.php
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*/
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class WriteHashWrapper extends HashWrapper {
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public function stream_write($data) {
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$this->updateHash($data);
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return parent::stream_write($data);
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}
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}
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