Return a bucket object from the brigade for operating on stream_bucket_append stream_bucket_new Stream Functions PHP Manual stream_bucket_make_writeable (PHP 5)stream_bucket_make_writeable — Return a bucket object from the brigade for operating on Description object stream_bucket_make_writeable ( resource $brigade ) WarningThis function is currently not documented; only its argument list is available. stream_bucket_append stream_bucket_new Stream Functions PHP Manual