Difference between #10 and #12 of
How to create/update a model with its related items using Listbox or CheckboxList

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Title unchanged

How to create/update a model with its related items using Listbox or CheckboxList

Category unchanged

Tutorials

Yii version changed

2.0

Tags unchanged

listBox checkboxList

Content changed

[...]
### PostWithCategories model

And the last one is extended from Post. It has an additional attribute called 'category_ids' that will be used to handle the categories of the post. Note that **'category_ids' attribute is an array** of category ids.


 ```php

class PostWithCategories extends Post
{
[...]
foreach($this->category_ids as $category_id) {
$pc = new PostCategory();
$pc->post_id = $this->post_id;
$pc->category_id = $category_id;
$pc->save();
[...]
We want to add a small utility method to Category model.


 ```php

class Category extends ActiveRecord
{
[...]
{
$categories = self::find()->order('name')->asArray()->all();
$items = ArrayHelper::map($categoryies, 'id', 'name');
return $items;
}
[...]
### Create action


 ```php

/**
* Create Post with its categories
[...]
In the view script, we can use a listBox with multiple selection or a checkboxList to select the categories.


 ```php

<?php $form = ActiveForm::begin([
'id' => 'post-form',
[...]
It's almost the same with Create action:


 ```php

/**
* Update a post with its categories
[...]
It's different from create.php only in the text of the submit button:


```php

...
<?= Html::submitButton('Update', [
'class' => 'btn btn-primary'
]) ?>
...
[...]
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Version: 2.0
Category: Tutorials
Tags: listBox checkboxList
Written by: softark
Last updated by: softark
Created on: Jan 27, 2016
Last updated: 6 years ago
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