Pull GitHub activity feed into WordPress and output the items of interest.

github-activity-feed.php

<?php

$feed = fetch_feed('https://github.com/alexkingorg.atom');

// some activity isn't interesting enough to output
$ignore_types = array(
	'issue_comment',
	'watch',
);

$i = 0;
foreach ($feed->get_items() as $item) {
	if ($i == 5) {
		break;
	}
	$content = $item->data['child']['http://www.w3.org/2005/Atom']['content'][0]['data'];
	$skip = false;
	foreach ($ignore_types as $type) {
		if (strpos($content, '<!-- '.$type.' -->') !== false) {
			$skip = true;
			break;
		}
	}
	if (!$skip) {
		// we're trusting GitHub's content here
		echo '<div class="activity-item">'.$content.'</div>';
		$i++;
	}
}
unset($feed);