update session variable in yii [duplicate]

问题

This question already has an answer here:

Value with same name in Array [closed] (1 answer)

Closed 6 years ago.

I want to know how can i update my session variable, in my controller, when i am on page1, in my public function actionpage1() i have this code

$quantity=1;
$sessionCart[] = array('product_id' => $_POST['documents'], 'document' => $productInfo->name, quantity'=> $quantity);

so my default quantity is 1,

And when i go to another page page2, and click on update button,

I want my $quantity to be equal to $_post['quantity'] my new valule, (this is <?php echo CHtml::textField('quantity', $value['quantity']); ?>)

回答1:

You can store session data with:

Yii::app()->user->setState('key', 'value');

and get it with:

Yii::app()->user->getState('key');

回答2:

Use this:-

Yii::app()->session['name'] = $value

回答3:

in your form field:

CHtml::textField('quantity', $value['quantity']);

the value must be retrieved from session array variable but not from the passed static variable: Replace value like this:

CHtml::textField('quantity', sessionCart['quantity']);

来源：https://stackoverflow.com/questions/17105660/update-session-variable-in-yii