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I am a still a newbie when it comes to using YII, but I been working with session variables for the past few days, and I can't seem to grasp to the concept behind my error. Any advice will be appreciated.

My add function works perfectly so far, for my current purpose of keeping track of the last 3 variables added to my session variable nutrition.

public function addSessionFavourite($pageId)
{
    $page = Page::model()->findByPk($pageId);
    $categoryName = $page->getCategoryNames();

    if($categoryName[0] == 'Nutrition')
    {
        if(!isset(Yii::app()->session['nutrition']))
        {
            Yii::app()->session['nutrition'] = array();
        }
        $nutrition = Yii::app()->session['nutrition'];
        array_unshift($nutrition, $pageId);
        array_splice($nutrition, 3);
        Yii::app()->session['nutrition'] = $nutrition;
    }

My remove function doesn't seem to work at all, no matter what I try to do with it. The reason why I am transfering the session array to a temp array was to try to get around the "If a globalized variable is unset() inside of a function, only the local variable is destroyed. The variable in the calling environment will retain the same value as before unset() was called." But it was a total failure.

public function removeSessionFavourite($pageId)
{
    $page = Page::model()->findByPk($pageId);
    $categoryName = $page->getCategoryNames();

    if($categoryName[0] == 'Nutrition')
    {
        if(!isset(Yii::app()->session['nutrition']))
        {
            return true;
        }
        $nutritionArray = Yii::app()->session['nutrition'];
        unset($nutritionArray[$pageId]);
        Yii::app()->session['nutrition'] = $nutritionArray;
    }

Any advice or push toward to the correct direction will be appreciated.

4

1 回答 1

1

我个人从未使用过Yii::app()->session我通常使用 Yii 用户，并且我从未遇到过任何问题：

Yii::app()->user->setState('test', array('a'=>1,'b'=>2));
print_r(Yii::app()->user->getState('test')); //see whole array

$test = Yii::app()->user->getState('test');
unset($test['b']);
Yii::app()->user->setState('test',$test);
print_r(Yii::app()->user->getState('test')); //only 'a'=>1 remains

Yii::app()->user->setState('test', null);
print_r(Yii::app()->user->getState('test')); //now a null value

正如我在上面的评论中所说，带有会话变量的多维数组似乎存在问题：https ://code.google.com/p/yii/issues/detail?id=1681

于 2013-08-29T20:53:39.863 回答