Test the memcache issue

mod\thewire\classes\ElggWire.php

class ElggWire extends ElggObject {

	/**
	 * Set subtype to thewire
	 *
	 * @return void
	 */
	protected function initializeAttributes() {
		parent::initializeAttributes();

		$this->attributes['subtype'] = 'thewire';
	}

	/**
	 * Can a user comment on this wire post?
	 *
	 * @see ElggObject::canComment()
	 *
	 * @param int  $user_guid User guid (default is logged in user)
	 * @param bool $default   Default permission
	 *
	 * @return bool
	 *
	 * @since 1.8.0
	 */
	public function canComment($user_guid = 0, $default = null) {
		$result = parent::canComment($user_guid, $default);
		if ($result == false) {
			return $result;
		}

		return false;
	}
	
	public function hi() {
		return 'hi';
	}

}

mod\thewire\views\default\object\thewire.php

<?php
/**
 * View a wire post
 *
 * @uses $vars['entity']
 */

elgg_require_js('elgg/thewire');

$full = elgg_extract('full_view', $vars, FALSE);
$post = elgg_extract('entity', $vars, FALSE);

if (!$post) {
	return true;
}

// make compatible with posts created with original Curverider plugin
$thread_id = $post->wire_thread;
if (!$thread_id) {
	$post->wire_thread = $post->guid;
}

$owner = $post->getOwnerEntity();

$owner_icon = elgg_view_entity_icon($owner, 'tiny');
$owner_link = elgg_view('output/url', array(
	'href' => "thewire/owner/$owner->username",
	'text' => $owner->name,
	'is_trusted' => true,
));
$author_text = elgg_echo('byline', array($owner_link));
$date = elgg_view_friendly_time($post->time_created);

$subtitle = "$author_text $date";

$metadata = '';
if (!elgg_in_context('widgets')) {
	// only show entity menu outside of widgets
	$metadata = elgg_view_menu('entity', array(
		'entity' => $post,
		'handler' => 'thewire',
		'sort_by' => 'priority',
		'class' => 'elgg-menu-hz',
	));
}

$params = array(
	'entity' => $post,
	'title' => false,
	'metadata' => $metadata,
	'subtitle' => $subtitle,
	'content' => thewire_filter($post->description) . $post->hi(),
	'tags' => false,
	'icon' => $owner_icon,
	'class' => 'thewire-post',
);
$params = $params + $vars;
echo elgg_view('object/elements/summary', $params);

if ($post->reply) {
	echo "<div class=\"thewire-parent hidden\" id=\"thewire-previous-{$post->guid}\">";
	echo "</div>";
}