codeigniter global variable need to be accessed by multiple controllers

Question

I am new to codeigniter , In my program i want a variable need to be accessed by multiple controllers, It's not a constant variable, value of variable changes ,

Sorry , My mistake I want to store a JSON object to be precise

Pls help me to figure this out.

Thanks in advance.

Does your website use session data? Maybe declaring globals could work? — MonkeyZeus
– MonkeyZeus, Commented Dec 30, 2013 at 20:44
yes i use session data , Sorry i want to store a JSON object to be precise... — gouthaman93
– gouthaman93, Commented Dec 30, 2013 at 21:08

Rooneyl · Accepted Answer · 2013-12-30 20:41:14Z

2

You can create a base controller with an attribute for your variable, then have your controllers extend that base controller.

answered Dec 30, 2013 at 20:41

Rooneyl

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MonkeyZeus · Accepted Answer · 2013-12-30 21:23:20Z

0

Option 1

Since you are using CodeIgniter and sessions then something like this could work out for you:

set it

$someJSONobject = 'JSON';

$this->session->set_userdata('GLOBAL_JSON', $someJSONobject);

retrieve it

$someJSONobject = $this->session->userdata('GLOBAL_JSON');

echo $someJSONobject->subitem;

Make sure you are storing sessions in a DB if you go with this option because Cookie space is VERY limited

Option 2

Even if you are not using CodeIgniters' session implementation then you can do something quite similar in native PHP:

$someJSONobject = 'JSON';

$_SESSION['GLOBAL_JSON'] = $someJSONobject;

answered Dec 30, 2013 at 21:23

MonkeyZeus

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Momin · Accepted Answer · 2013-12-30 20:43:12Z

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Appending on Rooneyl's solution you may want to save that value on session which is easier to access from all end

Session docs

answered Dec 30, 2013 at 20:43

Momin

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