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<?php
namespace Fusonic\OpenGraph\Elements;
use Fusonic\OpenGraph\Property;
/**
* An Open Graph audio element.
*/
class Audio extends ElementBase
{
* The URL of an audio resource associated with the object.
*
* @var string
public $url;
* An alternate URL to use if an audio resource requires HTTPS.
public $secureUrl;
* The MIME type of an audio resource associated with the object.
* @var type
public $type;
* @param string $url URL to the audio file.
public function __construct($url)
parent::__construct();
$this->url = $url;
}
* Gets all properties set on this element.
* @return array|Property[]
public function getProperties()
$properties = [];
// URL must precede all other properties
if ($this->url !== null) {
$properties[] = new Property(Property::AUDIO_URL, $this->url);
if ($this->secureUrl !== null) {
$properties[] = new Property(Property::AUDIO_SECURE_URL, $this->secureUrl);
if ($this->type !== null) {
$properties[] = new Property(Property::AUDIO_TYPE, $this->type);
return $properties;