1: <?php
 2: 
 3: namespace Scopus\Response;
 4: 
 5: class SearchLinks extends BaseLinks
 6: {
 7:     public function getFirst()
 8:     {
 9:         return $this->links['first'];
10:     }
11:     
12:     public function getPrev()
13:     {
14:         return isset($this->links['prev']) ? $this->links['prev'] : null;
15:     }
16:     
17:     public function getNext()
18:     {
19:         return isset($this->links['next']) ? $this->links['next'] : null;
20:     }
21:     
22:     public function getLast()
23:     {
24:         return $this->links['last'];
25:     }
26: }