Declare global array in codeigniter to access between different functions

问题

I want to declare a global variable in my model and will use it accordingly.
syntax below is just example how I want to use it, may not be proper syntax. But I want to know proper syntax for this to implement.

global $stddata

call to 1st function via ajax:

add a array of data to this global variable.

global $stddata = array(1=>"a",2=>"b");

after user triggers some event call to 2nd function via ajax:

Access the array stored in global variable above.

echo $stddata

回答1:

Your question is similar to :

Code Igniter - best place to declare global variable

or How to declare global variable in CodeIgniter 2.2?

Try this, you might get solution.

回答2:

I would suggest you put it in core controller. You should create MY_Controller.php file in application/core folder and use wanted array as you wish. It will be in any controller that extends MY_Constroller class.

来源：https://stackoverflow.com/questions/22879270/declare-global-array-in-codeigniter-to-access-between-different-functions