(PECL pecl_http:0.10.0-1.5.5)
HttpResponse::setBufferSize — Set buffer size
Sets the send buffer size of the throttling mechanism.
Note: Provides a basic throttling mechanism, which will yield the current process respectively thread until the entity has been completely sent.
Note: This may not work as expected with the following SAPI(s): FastCGI.
the chunk size in bytes
如果成功則回傳 TRUE,失敗則回傳 FALSE。