ob_deflatehandler
说明
string ob_deflatehandler ( string data, int mode )For use with ob_start().
注意: This output handler can only be used once.
The deflate output buffer handler can only be used once.
It conflicts with ob_gzhandler() and zlib.output_compression as well and should not be used after mbstring extension's mb_output_handler() and session extension's URL-Rewriter (AKA session.use_trans_sid).