public function ReadOnlyStream::stream_flush in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/StreamWrapper/ReadOnlyStream.php \Drupal\Core\StreamWrapper\ReadOnlyStream::stream_flush()
2. 10 core/lib/Drupal/Core/StreamWrapper/ReadOnlyStream.php \Drupal\Core\StreamWrapper\ReadOnlyStream::stream_flush()

Support for fflush().

Nothing will be output to the file, as this is a read-only stream wrapper. However as stream_flush is called during stream_close we should not trigger an error.

Return value

bool FALSE, as no data will be stored.

Overrides PhpStreamWrapperInterface::stream_flush

See also

http://php.net/manual/streamwrapper.stream-flush.php

File

core/lib/Drupal/Core/StreamWrapper/ReadOnlyStream.php, line 155

Class

ReadOnlyStream

Defines a read-only Drupal stream wrapper base class.

Namespace

Drupal\Core\StreamWrapper

Code

public function stream_flush() {
  return FALSE;
}