bzwrite writes a string into the given bzip2 file stream.
The file pointer. It must be valid and must point to a file successfully opened by bzopen.
The written data.
If supplied, writing will stop after length (uncompressed) bytes have been written or the end of data is reached, whichever comes first.
Returns the number of bytes written, or false on error.
|8.0.0||length is nullable now.|