gzencode
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gzencode — Create a gzip compressed string
Parameters
data
-
The data to encode.
level
-
The level of compression. Can be given as 0 for no compression up to 9
for maximum compression. If not given, the default compression level will
be the default compression level of the zlib library.
encoding
-
The encoding mode. Can be FORCE_GZIP (the default)
or FORCE_DEFLATE.
FORCE_DEFLATE generates
RFC 1950 compliant output, consisting of a zlib header, the deflated
data, and an Adler checksum.
Return Values
The encoded string, or false if an error occurred.
Examples
The resulting data contains the appropriate headers and data
structure to make a standard .gz file, e.g.:
Example #1 Creating a gzip file
<?php
$data = file_get_contents("bigfile.txt");
$gzdata = gzencode($data, 9);
file_put_contents("bigfile.txt.gz", $gzdata);
?>