/**
* Overwrites parent::_get method to enable read access
* to content:encoded element.
*
* @param string $var The property to access.
* @return mixed
*/
public function __get($var)
{
switch ($var) {
case 'content':
$prefix = $this->_element->lookupPrefix('http://purl.org/rss/1.0/modules/content/');
return parent::__get("{$prefix}:encoded");
default:
return parent::__get($var);
}
}
/**
* Easy access to <link> tags keyed by "rel" attributes.
*
* If $elt->link() is called with no arguments, we will attempt to
* return the value of the <link> tag(s) like all other
* method-syntax attribute access. If an argument is passed to
* link(), however, then we will return the "href" value of the
* first <link> tag that has a "rel" attribute matching $rel:
*
* $elt->link(): returns the value of the link tag.
* $elt->link('self'): returns the href from the first <link rel="self"> in the entry.
*
* @param string $rel The "rel" attribute to look for.
* @return mixed
*/
public function link($rel = null)
{
if ($rel === null) {
return parent::__call('link', null);
}
// index link tags by their "rel" attribute.
$links = parent::__get('link');
if (!is_array($links)) {
if ($links instanceof Zend_Feed_Element) {
$links = array($links);
} else {
return $links;
}
}
foreach ($links as $link) {
if (empty($link['rel'])) {
$link['rel'] = 'alternate';
// see Atom 1.0 spec
}
if ($rel == $link['rel']) {
return $link['href'];
}
}
return null;
}