yii2 behaviors

1namespace app\components;
2
3use yii\base\Behavior;
4
5class MyBehavior extends Behavior
6{
7    public $prop1;
8
9    private $_prop2;
10
11    public function getProp2()
12    {
13        return $this->_prop2;
14    }
15
16    public function setProp2($value)
17    {
18        $this->_prop2 = $value;
19    }
20
21    public function foo()
22    {
23        // ...
24    }
25}
26