A base for a functions.php for a WordPress theme

gistfile1.aw

<?php
/**
 * @package WordPress
 * @subpackage Theme_Name
 * @since Theme Name 1.0
 */

// replace "themename" with the theme slug

// load javascript on initialization
add_action( 'init', 'themename_init' );
function themename_init() {
	if ( ! is_admin() ) {
		// use google hosted jquery
		wp_deregister_script( 'jquery' );
		wp_register_script( 'jquery', 'http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js' );
		wp_enqueue_script( 'jquery' );
		// load any other scripts below
	}
	
	remove_action( 'wp_head', 'feed_links_extra', 3 );
	remove_action( 'wp_head', 'feed_links', 2 );
	remove_action( 'wp_head', 'rsd_link' );
	remove_action( 'wp_head', 'wlwmanifest_link' );
	remove_action( 'wp_head', 'index_rel_link' );
	remove_action( 'wp_head', 'parent_post_rel_link', 10, 0 );
	remove_action( 'wp_head', 'start_post_rel_link', 10, 0 );
	remove_action( 'wp_head', 'adjacent_posts_rel_link', 10, 0 );
	remove_action( 'wp_head', 'wp_generator' );
	
	add_filter( 'show_recent_comments_widget_style', '__return_false' );
}

// add theme supports and nav menus
add_action( 'after_setup_theme', 'themename_setup' );
function themename_setup() {
	add_theme_support( 'menus' );
	add_theme_support( 'post-thumbnails' );
	add_theme_support( 'automatic-feed-links' );
	
	register_nav_menus( array(
		'primary' => __( 'Primary Navigation', 'themename' )
		// other nav menus here
	) );
}

// register widget areas
add_action( 'widgets_init', 'themename_widgets_init', 1 );
function themename_widgets_init() {
	unregister_widget( 'WP_Widget_Pages' );
	unregister_widget( 'WP_Widget_Calendar' );
	//unregister_widget( 'WP_Widget_Archives' );
	//unregister_widget( 'WP_Widget_Links' );
	unregister_widget( 'WP_Widget_Meta' );
	//unregister_widget( 'WP_Widget_Search' );
	//unregister_widget( 'WP_Widget_Text' );
	//unregister_widget( 'WP_Widget_Categories' );
	//unregister_widget( 'WP_Widget_Recent_Posts' );
	unregister_widget( 'WP_Widget_Recent_Comments' );
	unregister_widget( 'WP_Widget_RSS' );
	unregister_widget( 'WP_Widget_Tag_Cloud' );
	
	register_sidebar( array(
		'name' => __( 'Primary Widget Area', 'themename' ),
		'id' => 'primary-widget-area',
		'description' => __( 'The primary widget area on the left side', 'themename' ),
		'before_widget' => '<li id="%1$s" class="widget-container %2$s">',
		'after_widget' => '</li>',
		'before_title' => '<h3 class="widget-title">',
		'after_title' => '</h3>',
	) );
	// other sidebars here
}

// build header information
add_action( 'wp_head', 'themename_head' );
function themename_head() {
	// code here
}

// posted on structured used in twentyten
function themename_posted_on() {
	printf( __( 'By %1$s <span class="meta-sep">|</span> %2$s', 'themename' ),
		sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s">%3$s</a></span>',
			get_author_posts_url( get_the_author_meta( 'ID' ) ),
			sprintf( esc_attr__( 'View all posts by %s', 'themename' ), get_the_author() ),
			get_the_author()
		),
		sprintf( '<a href="%1$s" title="%2$s" rel="bookmark"><span class="entry-date">%3$s</span></a>',
			get_permalink(),
			esc_attr( get_the_time() ),
			get_the_date()
		)
	);
}

// comment structure from twentyten
function themename_comment( $comment, $args, $depth ) {
	$GLOBALS['comment'] = $comment;
	switch ( $comment->comment_type ) :
		case '' :
	?>
	<li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
		<div id="comment-<?php comment_ID(); ?>">
			<p class="commentmetadata"><?php printf( __( '%s', 'themename' ), get_comment_author_link() ); ?> | <?php printf( __( '%1$s at %2$s', 'themename' ), get_comment_date(),  get_comment_time() ); ?></p>
		<?php if ( $comment->comment_approved == '0' ) : ?>
			<p><em><?php _e( 'Your comment is awaiting moderation.', 'themename' ); ?></em></p>
		<?php endif; ?>
			<div class="comment-body"><?php comment_text(); ?></div>
			<div class="reply">
				<?php comment_reply_link( array_merge( $args, array( 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
			</div><!-- .reply -->
		</div><!-- #comment-##  -->
	<?php
			break;
		case 'pingback'  :
		case 'trackback' :
	?>
	<li class="post pingback">
		<p><?php _e( 'Pingback:', 'themename' ); ?> <?php comment_author_link(); ?><?php edit_comment_link( __('(Edit)', 'themename'), ' ' ); ?></p>
	<?php
			break;
	endswitch;
}

// change default "read more" link
function themename_continue_reading_link() {
	return ' <a href="'. get_permalink() . '">' . __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'themename' ) . '</a>';
}

// change default [...]
add_filter( 'excerpt_more', 'themename_auto_excerpt_more' );
function themename_auto_excerpt_more( $more ) {
	return ' &hellip;' . themename_continue_reading_link();
}

// remove the gallery style that is automatically added
add_filter( 'gallery_style', 'themename_remove_gallery_css' );
function themename_remove_gallery_css( $css ) {
	return preg_replace( "#<style type='text/css'>(.*?)</style>#s", '', $css );
}

// remove update notifications for everybody except admin users
global $user_login;
get_currentuserinfo();
if ( ! current_user_can( 'update_plugins' ) ) { // checks to see if current user can update plugins 
	add_action( 'init', create_function( '$a', "remove_action( 'init', 'wp_version_check' );" ), 2 );
	add_filter( 'pre_option_update_core', create_function( '$a', "return null;" ) );
}

// remove dashboard boxes
add_action( 'admin_menu', 'themename_remove_dashboard_boxes' );
function themename_remove_dashboard_boxes() {
	//remove_meta_box( 'dashboard_right_now', 'dashboard', 'core' ); // Right Now Overview Box
	//remove_meta_box( 'dashboard_incoming_links', 'dashboard', 'core' ); // Incoming Links Box
	//remove_meta_box( 'dashboard_quick_press', 'dashboard', 'core' ); // Quick Press Box
	//remove_meta_box( 'dashboard_plugins', 'dashboard', 'core' ); // Plugins Box
	//remove_meta_box( 'dashboard_recent_drafts', 'dashboard', 'core' ); // Recent Drafts Box
	//remove_meta_box( 'dashboard_recent_comments', 'dashboard', 'core' ); // Recent Comments
	remove_meta_box( 'dashboard_primary', 'dashboard', 'core' ); // WordPress Development Blog
	remove_meta_box( 'dashboard_secondary', 'dashboard', 'core' ); // Other WordPress News
}

// make TinyMCE allow iframes
add_filter( 'tiny_mce_before_init', create_function( '$a', '$a["extended_valid_elements"] = "iframe[id|class|title|style|align|frameborder|height|longdesc|marginheight|marginwidth|name|scrolling|src|width]"; return $a;' ) );

// add all custom post types to rss feed
add_filter( 'request', 'themename_addtofeed_request' );
function themename_addtofeed_request( $qv ) {
	if ( isset( $qv['feed'] ) )
		$qv['post_type'] = get_post_types();
	return $qv;
}