PhpOffice\PhpPresentation\Shape\RichText\TextElement::getHyperlink PHP Метод

    public function getHyperlink()
    {
        if (is_null($this->hyperlink)) {
            $this->hyperlink = new Hyperlink();
        }
        return $this->hyperlink;
    }

 public function testHyperlink()
 {
     $object = new TextElement();
     $this->assertFalse($object->hasHyperlink());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText\\TextElement', $object->setHyperlink());
     $this->assertFalse($object->hasHyperlink());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Hyperlink', $object->getHyperlink());
     $this->assertTrue($object->hasHyperlink());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\RichText\\TextElement', $object->setHyperlink(new Hyperlink('http://www.google.fr')));
     $this->assertTrue($object->hasHyperlink());
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Hyperlink', $object->getHyperlink());
 }