(PHP 4 >= 4.0.4, PHP 5)
bzflush — Force a write of all buffered data
$bz
Forces a write of all buffered bzip2 data for the file pointer bz.
bz
The file pointer. It must be valid and must point to a file successfully opened by bzopen().
成功时返回 TRUE, 或者在失败时返回 FALSE.
TRUE
FALSE