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Using gzip to compress and output the JSON format data returned in the PHP program, jsongzip
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Home Backend Development PHP Tutorial How to compress and output the JSON format data returned from the PHP program using gzip, jsongzip_PHP tutorial

How to compress and output the JSON format data returned from the PHP program using gzip, jsongzip_PHP tutorial

Jul 12, 2016 am 08:57 AM
json php

Using gzip to compress and output the JSON format data returned in the PHP program, jsongzip

1. Comparison of HTTP output using compression and without compression

201633154618959.jpg (447×226)

2. Enable gzip

Use apache mod_deflate module to enable gzip
How to activate:

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

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Close method:

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

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3. Set the type of gzip compressed output

The output type of json is application/json, so it can be set like this
Add

to in httpd.conf
<IfModule mod_deflate.c>
AddOutputFilterByType DEFLATE application/json
</IfModule>

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<&#63;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);
&#63;>

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Output before setting gzip:

201633154714151.jpg (346×83)

Output after setting gzip:

201633154732511.jpg (334×99)

4. A single json is output using gzip compression

After setting AddOutputFilterByType DEFLATE application/json, all data output in json format will be output using gzip compression.
If you only want to use gzip compression for a certain json, but not others, you can use the ob_start(); method.

First there is no need to set AddOutputFilterByType, then add ob_start('ob_gzhandler');

at the beginning of the code
<&#63;php
ob_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);
&#63;>
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www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1106125.htmlTechArticleHow to compress and output the JSON format data returned in the PHP program using gzip, jsongzip 1. Use compression or not Compressed HTTP output comparison 2. Turn on gzip and use apache mod_deflate module to turn on...
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