How to Use gzip to compress the JSON format data returned by the PHP Program

1. Compare HTTP output with HTTP output without compression 2. Enable gzip by using apachemod_deflatemodule. Enable gzip. Disable. dapache2restart: Disable. dapache2restart3. Set gzip compression output

1. use compression and HTTP output without compression 2. how to enable gzip using apache mod_deflate module: sudo a2enmod deflatesudo/etc/init. d/apache2 restart: sudo a2dismod deflatesudo/etc/init. d/apache2 restart 3. set gzip compression output

1. Comparison between HTTP output with and without compression

2. Enable gzip

Use apache mod_deflate module to enable gzip
Enabling method:

sudo a2enmod deflatesudo /etc/init.d/apache2 restart

Close method:

sudo a2dismod deflatesudo /etc/init.d/apache2 restart

3. Set the type of gzip compression output

The json output type is application/json.
In httpd. conf Join

 
  AddOutputFilterByType DEFLATE application/json
 

<?php$data = array(  array('name'=>'one','value'=>1),  array('name'=>'two','value'=>2),  array('name'=>'three','value'=>3),  array('name'=>'four','value'=>4),  array('name'=>'five','value'=>5),  array('name'=>'six','value'=>6),  array('name'=>'seven','value'=>7),  array('name'=>'eight','value'=>8),  array('name'=>'nine','value'=>9),  array('name'=>'ten','value'=>10),);header('content-type:application/json');echo json_encode($data);?>

Set the output before gzip:

Output after setting gzip:

4. Use gzip to compress the output of a single json File

After AddOutputFilterByType DEFLATE application/json is set, gzip is used to compress all data output in json format.
If you only want to use gzip to compress the output of a json file, you can use ob_start.

First, you do not need to set AddOutputFilterByType, and then add ob_start ('ob _ gzhandler') at the beginning of the Code ');

<?phpob_start('ob_gzhandler');$data = array(  array('name'=>'one','value'=>1),  array('name'=>'two','value'=>2),  array('name'=>'three','value'=>3),  array('name'=>'four','value'=>4),  array('name'=>'five','value'=>5),  array('name'=>'six','value'=>6),  array('name'=>'seven','value'=>7),  array('name'=>'eight','value'=>8),  array('name'=>'nine','value'=>9),  array('name'=>'ten','value'=>10),);header('content-type:application/json');echo json_encode($data);?>