public static function singleton()
{
if (is_null(self::$singleton)) {
self::$singleton = new self();
}
return self::$singleton;
}
public function header()
{
global $wp_query;
$options = PostBackgroundPluginOptions::singleton();
echo "<style type=\"text/css\">\n";
if ($wp_query->is_single() || $wp_query->is_page()) {
$postbackground = get_post_meta(get_the_ID(), 'postbackground', true);
$this->rule('body', isset($postbackground['body']) ? $postbackground['body'] : array());
}
while ($wp_query->have_posts()) {
$post = $wp_query->next_post();
$postbackground = get_post_meta($post->ID, 'postbackground', true);
$selector = $options->get_content_selector($post);
$this->rule($selector, isset($postbackground['content']) ? $postbackground['content'] : array());
}
$wp_query->rewind_posts();
echo "</style>";
}