metadata.php
<?php
$meta = $this->meta;
$meta->addStyle('metadata.css');
$meta->addStyle('extras.css');
$meta->title = 'Meta Data';
$meta->addScript('metadata.js');
$meta->addScript('extras.js');
$meta->addHtml('<script type="text/javascript">'.file_get_contents(__DIR__.'/../script/inline-script.js').'</script>');
$meta->addAPIKey('facebook','api-key');
?>
<h1>Meta Data page</h1>
<?php
echo '<pre>';
print_r($meta->data());
echo '</pre>';
?>