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yii2: undefined variable defined within foreach


yii2: undefined variable defined within foreach

By : user2949892
Date : November 17 2020, 04:28 AM
should help you out In regard to $packages, $packageq->queryAll() must not be returning anything. Regarding $d, you are dumping it outside of the scope within which $d is defined. $d must be defined outside of the if/else if you want to be able to access $d in the scope where you have the var_dump. If you declare $d outside of the if/else with $d; or define $d as some empty value (e.g. $d = 0;), you'll be able to set it within the if/else and still have access to it in the parent scope. If you defined $d = 0 before the condition you could drop the else { $d = 0; } all together.
Also, if $packages is an array and you want to test if it populated, you might consider
code :
if(!empty($packages)) {
    ...
}
if(![$packages] == '') {
    ...
}


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undefined variable on foreach ? Warning: Invalid argument supplied for foreach()

undefined variable on foreach ? Warning: Invalid argument supplied for foreach()


By : user2869840
Date : March 29 2020, 07:55 AM
seems to work fine The include 'post.php'; simply appends the file content at that position.
So you are trying to access variable $sells which is actually defined later. You need first to populate the variable, and then to access it.
yii2 Undefined variable in view

yii2 Undefined variable in view


By : Emma
Date : March 29 2020, 07:55 AM
like below fixes the issue I'm a yii2 begginer,and when i tried to learn activeform,there's something wrong. , You test
code :
<?php if($modelSave) { ?>
return $this->render('create', ['model' => $model,'modelSaved' => $modelSave]);
<?php if($modelSaved) { ?>
Undefined variable: class yii2

Undefined variable: class yii2


By : Max K
Date : March 29 2020, 07:55 AM
seems to work fine When condition inside if is not met $class is not set but you try to use it anyway.
Passing variable from controller to view page shows undefined variable in Yii2

Passing variable from controller to view page shows undefined variable in Yii2


By : Jagsir Singh
Date : March 29 2020, 07:55 AM
wish helps you I'm very new to Yii2 Framework. I want to pass variable from controller to view. , Use render() instead of redirect().
code :
public function actionDeleteAll() {
    $var1 = 'abc';
    return $this->render('index', ['var_view' => $var1]);
}
yii2 Undefined variable in form

yii2 Undefined variable in form


By : pratiksha patil
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , check it out and follow the render what would be do! controller -> render update.php -> _form.php
readd below in _form.php
code :
return $this->render('_form', [
   'model' => $model,
   'stok' => $stok
]);
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