php类转json

functionarrayRecursive_o(&$array,$function,$apply_to_keys_also = false)
{
    foreach($arrayas $key=> $value) {
        if(is_array($value)) {
            $this->arrayRecursive_o($array->$key,$function,$apply_to_keys_also);
        } else{
            $array->$key= $function($value);
        }
        if($apply_to_keys_also&&is_string($key)) {
            $new_key=$function($key);
            if($new_key!= $key) {
                $array->$new_key= $array->$key;
                unset($array->$key);
            }
        }
    }
}
function JSON_o($array) {
    $this->arrayRecursive_o($array,'urlencode',true);
    $json= json_encode($array);
    returnurldecode($json);
}