/**
* Perform the copy between this stream and the destination.
* @param StreamInterface $destination
* @param int|null $bufferSize
*/
protected function internalCopyTo(StreamInterface $destination, $bufferSize = null)
{
if (null !== $bufferSize && $bufferSize <= 0) {
throw new Exception\InvalidArgumentException('bufferSize', $bufferSize, 'Parameter "bufferSize" must be greater than 0.');
}
// Use native implementation if possible.
if ($destination instanceof self) {
// Ensure pending data is dealt with, as we are bypassing write()
$destination->flush();
stream_copy_to_stream($this->handle, $destination->handle);
return;
}
// Copy in chunks
$bufferSize = $bufferSize ?: $this->defaultCopyBufferSize;
while (($data = $this->read($bufferSize)) !== null) {
$destination->write($data);
}
}
public function write($data, $length = null)
{
$this->stream->write($data, $length);
}
public function copyTo(StreamInterface $destination, $bufferSize = null)
{
if (null === $destination) {
throw new Exception\InvalidArgumentException('destination');
}
if (!$this->canRead() && !$this->canWrite()) {
throw new Exception\ObjectDisposedException('this');
}
if (!$destination->canRead() && !$destination->canWrite()) {
throw new Exception\ObjectDisposedException('destination');
}
if (!$this->canRead()) {
throw new Exception\NotSupportedException();
}
if (!$destination->canWrite()) {
throw new Exception\NotSupportedException();
}
if (null !== $bufferSize && $bufferSize <= 0) {
throw new Exception\InvalidArgumentException('bufferSize', $bufferSize, 'Parameter "bufferSize" must be greater than 0.');
}
// Copy in chunks
$bufferSize = $bufferSize ?: $this->defaultCopyBufferSize;
while (($data = $this->read($bufferSize)) !== null) {
$destination->write($data);
}
}
public function write($data, $length = null)
{
$this->initializeStream();
$this->stream->write($data, $length);
}