当前路径:vendor/maennchen/zipstream-php/src/DeflateStream.php <?php declare(strict_types=1); namespace ZipStream; class DeflateStream extends Stream { protected $filter; /** * @var Option\File */ protected $options; /** * Rewind stream * * @return void */ public function rewind(): void { // deflate filter needs to be removed before rewind if ($this->filter) { $this->removeDeflateFilter(); $this->seek(0); $this->addDeflateFilter($this->options); } else { rewind($this->stream); } } /** * Remove the deflate filter * * @return void */ public function removeDeflateFilter(): void { if (!$this->filter) { return; } stream_filter_remove($this->filter); $this->filter = null; } /** * Add a deflate filter * * @param Option\File $options * @return void */ public function addDeflateFilter(Option\File $options): void { $this->options = $options; // parameter 4 for stream_filter_append expects array // so we convert the option object in an array $optionsArr = [ 'comment' => $options->getComment(), 'method' => $options->getMethod(), 'deflateLevel' => $options->getDeflateLevel(), 'time' => $options->getTime() ]; $this->filter = stream_filter_append( $this->stream, 'zlib.deflate', STREAM_FILTER_READ, $optionsArr ); } }
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