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Copy pathTempFileGZIPWriter.php
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Copy pathTempFileGZIPWriter.php
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78 lines (67 loc) · 1.92 KB
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<?php
namespace samdark\sitemap;
use RuntimeException;
/**
* Flushes buffer into temporary stream and compresses stream into a file on finish.
*
* Used on PHP builds where the zlib extension is available but incremental deflate functions are not.
*/
class TempFileGZIPWriter implements WriterInterface
{
/**
* @var string Name of target file.
*/
private $filename;
/**
* @var ?resource For php://temp stream.
*/
private $tempFile;
/**
* @param string $filename Target file.
*/
public function __construct(string $filename)
{
$this->filename = $filename;
$tempFile = fopen('php://temp/', 'wb');
if ($tempFile === false) {
// @codeCoverageIgnoreStart
throw new RuntimeException('Unable to open temp file.');
// @codeCoverageIgnoreEnd
}
$this->tempFile = $tempFile;
}
/**
* Store data in a temporary stream/file.
*
* @param string $data Data to write.
*/
public function append(string $data): void
{
if ($this->tempFile !== null) {
fwrite($this->tempFile, $data);
}
}
/**
* Deflate buffered data.
*/
public function finish(): void
{
if ($this->tempFile === null) {
return;
}
if (is_dir($this->filename)) {
throw new RuntimeException("Unable to open compress.zlib stream for \"$this->filename\".");
}
$file = fopen('compress.zlib://' . $this->filename, 'wb');
if ($file === false) {
// @codeCoverageIgnoreStart
throw new RuntimeException("Unable to open compress.zlib stream for \"$this->filename\".");
// @codeCoverageIgnoreEnd
}
rewind($this->tempFile);
stream_copy_to_stream($this->tempFile, $file);
fclose($file);
fclose($this->tempFile);
$this->tempFile = null;
}
}