*/ class StreamFactory { /** * @param string|resource|(callable(int): string)|iterable|null $content */ public static function create($content, int $preferredChunkSize = 64 * 1024): RequestStream { if (null === $content || \is_string($content)) { return StringStream::create($content ?? ''); } if (\is_callable($content)) { return CallableStream::create($content, $preferredChunkSize); } if (is_iterable($content)) { return IterableStream::create($content); } if (\is_resource($content)) { return ResourceStream::create($content, $preferredChunkSize); } throw new InvalidArgument(\sprintf('Unexpected content type "%s".', \is_object($content) ? \get_class($content) : \gettype($content))); } }