How to compress large files in PHP

How to compress large files in PHP? & nbsp; the files to be compressed should be at least 40 MB my code $ data & nbsp; & nbsp ;=& nbsp; & nbsp; & nbsp; implode (& nbsp; & quot; & n how to compress large files in PHP
The minimum size of the file to be compressed is 40 MB.

My code
$ Data = implode ("", file ("timer. php "));
$ Gzdata = gzencode ($ data, 9 );
$ Fp = fopen ("file.php.gz", "w ");
Fwrite ($ fp, $ gzdata );
Fclose ($ fp)



------ Solution --------------------
Http://php.net/manual/zh/refs.compression.php
------ Solution --------------------
Zlib supports byte streams, but the php interface is too simplified. you can use:
Http://www.php.net/manual/zh/function.gzopen.php

Open a common file, fopen + fread read slowly, and then gzopen + gzwrite write slowly.