function InputStreamFileWriter::writeStreamToFile
Same name in other branches
- 11.x core/modules/file/src/Upload/InputStreamFileWriter.php \Drupal\file\Upload\InputStreamFileWriter::writeStreamToFile()
File
-
core/
modules/ file/ src/ Upload/ InputStreamFileWriter.php, line 25
Class
- InputStreamFileWriter
- Writes files from a input stream to a temporary file.
Namespace
Drupal\file\UploadCode
public function writeStreamToFile(string $stream = self::DEFAULT_STREAM, int $bytesToRead = self::DEFAULT_BYTES_TO_READ) : string {
// 'rb' is needed so reading works correctly on Windows environments too.
$fileData = fopen($stream, 'rb');
$tempFilePath = $this->fileSystem
->tempnam('temporary://', 'file');
$tempFile = fopen($tempFilePath, 'wb');
if ($tempFile) {
while (!feof($fileData)) {
$read = fread($fileData, $bytesToRead);
if ($read === FALSE) {
// Close the file streams.
fclose($tempFile);
fclose($fileData);
throw new UploadException('Input file data could not be read');
}
if (fwrite($tempFile, $read) === FALSE) {
// Close the file streams.
fclose($tempFile);
fclose($fileData);
throw new CannotWriteFileException(sprintf('Temporary file data for "%s" could not be written', $tempFilePath));
}
}
// Close the temp file stream.
fclose($tempFile);
}
else {
// Close the input file stream since we can't proceed with the upload.
// Don't try to close $tempFile since it's FALSE at this point.
fclose($fileData);
throw new NoFileException(sprintf('Temporary file "%s" could not be opened for file upload', $tempFilePath));
}
// Close the input stream.
fclose($fileData);
return $tempFilePath;
}
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