Why use CJSON encode when we have json_encode

Question

I am building an API for a website using Yii. I know that there is a utility class called CJson and has a function called encode.

As far as I know there are additional parameters that can be customized in the native json_encode function like the JSON_NUMERIC_CHECK which is really useful. It creates

{
    "id": 17
}

instead of Yii's CJSON encode which makes the '17' a string.

{
    "id": "17"
}

So my question is whether there is any reason I should use CJSON encode instead of the built in PHP function json_encode ?

kuldeep.kamboj · Accepted Answer · 2013-06-28 06:04:16Z

13

Only thing I can think minimum php version support.

Yii support php 5.1 as minimum version See Yii Installation Page . While json_encode/json_decode introduced in php 5.2. So It can be a reason for Yii having a library for CJson.

answered Jun 28, 2013 at 6:04

kuldeep.kamboj

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amit bakle · Accepted Answer · 2014-01-18 11:50:02Z

4

This question is old. I am working with Yii 1.4, PHP 5.4.

The difference i found was 'json_encode' encodes only class properties, while as 'CJSON::encode' encodes only properties listed at the class documentation using @property annotation... This is true at least for CActiveRecord

answered Jan 18, 2014 at 11:50

amit bakle

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Community · Accepted Answer · 2017-05-23 12:34:15Z

3

I realise this is an old topic, but wanted to add another reason.

By doing all JSON encoding through a helper class like CJSON you can override default behavior. For example you can use it to add a token to prevent JSON hijacking.

edited May 23, 2017 at 12:34

CommunityBot

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answered Aug 29, 2014 at 7:32

SystemicPlural

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Mohamad · Accepted Answer · 2016-02-02 09:12:37Z

0

In addition to @kuldeep.kamboj, I should say CJSON::encode will treat that 17 as an integer if you define the data type of the value like this:

// PHP
$toBeConverted = array('id' => (int) 17); // or (int) $myInteger

$jsonString = \CJSON::encode($toBeConverted);    

// $jsonString will be:
{
    "id": 17
}

answered Feb 2, 2016 at 9:12

Mohamad

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