/**
* Installs a parser hook for every tag reported by FacebookXFBML::availableTags().
* Accomplishes this by asking FacebookXFBML to create a hook function that then
* redirects to FacebookXFBML::parserHook().
*
* Secondly, this function installs a parser hook for our <opengraph> tag.
*/
public static function ParserFirstCallInit(&$parser)
{
// XFBML tags (for example, <fb:login-button>)
$pHooks = FacebookXFBML::availableTags();
foreach ($pHooks as $tag) {
$parser->setHook($tag, FacebookXFBML::createParserHook($tag));
}
// Open Graph tag (for example, <opengraph type="article">)
$tag = FacebookOpenGraph::GetTag();
if ($tag != '') {
$parser->setHook($tag, 'FacebookOpenGraph::parserHook');
}
return true;
}
