2 ways to enable gzip compression in PHP, 2 types of phpgzip compression_PHP tutorial

Two ways to enable gzip compression in PHP, 2 ways to enable gzip compression in php

After gzip compression is enabled on a web page, its size can be reduced by 20% to 90%, which can save a lot of bandwidth, thereby reducing page response time and improving user experience.

php configuration modification method:

Copy code The code is as follows:

zlib.output_compression = On
;Enable gzip function

zlib.output_compression_level = 4
;gzip compression level, 1~9, 3~5 recommended

;zlib.output_handler =
;gzip compression method, recommended comment

php file modification method:

It is recommended to write it at the beginning of the page, you can write to the header public file

Copy code The code is as follows:

if( !headers_sent() && // If the page header information has not been output yet
extension_loaded("zlib") && // And php has already loaded the zlib extension
strstr($_SERVER["HTTP_ACCEPT_ENCODING"],"gzip")) //And the browser accepts GZIP
{
ini_set('zlib.output_compression', 'On');
ini_set('zlib.output_compression_level', '4');
}

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