Drupal 7 Module Development

Chapter 4
}
// single_blog_block_view() and render it into the string
// that theme_item_list() expects.
if (is_array($elements['#items'][$key]['data'])) {
$elements['#items'][$key]['data'] =
drupal_render($elements['#items'][$key]['data']);
}
}
return $elements;
/**
* Implements hook_theme().
*/
function single_blog_theme($existing, $type, $theme, $path) {
return array(
'single_blog_block_item' => array(
'variables' => array(
'node' => NULL,
),
'template' => 'single-blog-block-item',
),
);
}
/**
* Preprocesses single blog block item variables.
*/
function template_preprocess_single_blog_block_item(&$variables) {
$node = $variables['node'];
// Create a renderable array for the title.
$variables['title'] = array(
'#type' => 'link',
'#title' => $node->title,
'#href' => 'node/' . $node->nid,
);
// Format the creation date of the node.
$variables['created'] = $node->created;
$variables['date'] = format_date($node->created, 'custom',
SINGLE_BLOG_DATE_FORMAT);
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