Set property meta tag in ZEND

$this->doctype(Zend_View_Helper_Doctype::XHTML1_RDFA);
$this->headMeta()->setProperty(‘og:title’, ‘this title is dummy and will changed by dynamic title’);
$this->headMeta()->setName(‘description’, ‘Wel come to archive site you will share all products to facebook’);
$this->headMeta()->setName(‘image’, ‘<img src=”.’.SITE_URL.’/images/fb.png”‘);
$this->headMeta()->appendName(‘keywords’, ‘another test’);