1: <?php
 2: 
 3: namespace Scopus\Response;
 4: 
 5: class Correspondence
 6: {
 7:     /** @var array */
 8:     protected $data;
 9:     
10:     /** @var */
11:     protected $person;
12: 
13:     public function __construct(array $data)
14:     {
15:         $this->data = $data;
16:     }
17:     
18:     public function getPerson()
19:     {
20:         if (isset($this->data['person'])) {
21:             return $this->person ?: $this->person = new CorrespondencePerson($this->data['person']);
22:         }
23:     }
24: }