$data = array('name' => 'John', 'age' => 30); $json = Yii::helpers\Json::encode($data); echo $json; // Output: {"name":"John","age":30}
$json = '{"name":"John","age":30}'; $data = Yii::helpers\Json::decode($json); echo $data['name']; // Output: John
$string = ''; $encoded = Yii::helpers\Json::htmlEncode($string); echo $encoded; // Output: <script>alert("Hello World!");</script>Overall, Yii::helpers\Json is a useful package for working with JSON data in PHP Yii applications.