PHP code example of paulzi / yii2-json-behavior

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

paulzi / yii2-json-behavior example snippets

use paulzi\jsonBehavior\JsonBehavior;

class Item extends \yii\db\ActiveRecord
{
    public function behaviors() {
        return [
            [
                'class' => JsonBehavior::className(),
                'attributes' => ['params'],
            ],
        ];
    }
}

$item = Item::findOne(1);
$item->params['one'] = 'two';
$item->params['two'] = [];
$item->params['two']['key'] = true;
$item->save();

$item = Item::findOne(1);
echo $item['two']['key']; // true

$item = new Item();
$item->params->set('[2, 4, 42]');
echo $item->params[2]; // 42

$item = new Item();
$item->params->set(['test' => ['one' => 1]]);
echo $item->params['test']['one']; // 1

$item = new Item();
$item->params['test'] = ['one' => false, 'two' => [1, 2, 3]];
var_dump((string)$item->params); // {"one":false,"two":[1,2,3]}

$item = new Item();
$item->params->set('{ "one": 1, "two": null, "three": false, "four": "four" }');
var_dump($item->params->toArray());

$item = new Item();
$item->params->set('{}');
var_dump($item->params->isEmpty()); // true

use paulzi\jsonBehavior\JsonValidator;

class Item extends \yii\db\ActiveRecord
{
    public function rules() {
        return [
            [['params'], JsonValidator::className()],
        ];
    }
}

$item = new Item();
$item->attributes = ['params' => '{ test: }'];
var_dump($item->save()); // false
var_dump($item->errors); // ['params' => ['Value is not valid JSON or scalar']]

use paulzi\jsonBehavior\JsonValidator;

class Item extends \yii\db\ActiveRecord
{
    public function rules() {
        return [
            [['params'], JsonValidator::className(), 'merge' => true],
        ];
    }
}

class Item
{
    public $params;
    
    public function __constructor()
    {
        $this->params = new JsonField();
    }
}

// ...

$item = new Item();
$item->params['one'] = 1;
var_dump((string)$item->params); // {"one":1}

/**
 * @inheritdoc
 */
public function isAttributeChanged($name, $identical = true)
{
    if ($this->$name instanceof JsonField) {
        return (string)$this->$name !== $this->getOldAttribute($name);
    } else {
        return parent::isAttributeChanged($name, $identical);
    }
}

/**
 * @inheritdoc
 */
public function getDirtyAttributes($names = null)
{
    $result = [];
    $data = parent::getDirtyAttributes($names);
    foreach ($data as $name => $value) {
        if ($value instanceof JsonField) {
            if ((string)$value !== $this->getOldAttribute($name)) {
                $result[$name] = $value;
            }
        } else {
            $result[$name] = $value;
        }
    }
    return $result;
}