Codeigniter - PHP setting a single element of an session variable array

Question

Hi all I'm using CI and I have set an array using the CI built in methods as seen below:

$arrayBools = array();

for($y = 0; $y < 30; $y++){
    $arrayBools[$y] = false; 
}

$this->session->set_userdata('arrayBools', $arrayBools);

this works and sets the array in the session variable without an issue - however i am confused if I only want to change a single element in the array to true - could someone point me in the right direction - apologies if simple complete beginner to all of this.

DoXicK · Accepted Answer · 2014-04-02 15:41:33Z

4

it's actually fairly simple: you just retrieve the array, modify the value, write it back to session

$arr = $this->session->userdata('arrayBools');
$arr[3] = false;
$this->session->set_userdata('arrayBools',$arr);

there ya go.

answered Apr 2, 2014 at 15:41

DoXicK

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1 Comment

TotalNewbie Over a year ago

ok - I thought there may be a way without storing the array temporarily, Thankyou for the help - new it would be simple!

Arnaud · Accepted Answer · 2014-04-02 15:45:06Z

1

I think CodeIgniter doesn't allow to do that.

You have no other choice that get all your array :

$data = $this->session->userdata('arrayBools');

then after editing your data to set all the array

$this->session->set_userdata('arrayBools',$data);

It's not possible to access only on item of an array set in session.

answered Apr 2, 2014 at 15:45

Arnaud

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