WordPress Hacks — Spice Up Your Wp Blog With These WordPress Hacks

Customize your WordPress theme with functions.php magic. WordPress provides you the flexibility of adding functionality to and extending the default capabilities of your current themes by editing functions.php template file; without modifying core WordPress files. Here are 10 WordPress hacks to help you customize your current WordPress theme; just add the following code to your functions.php file and update it to reflect your customizations. (To learn how to edit functions.php please refer to our previous article on How To Edit Functions.php In WordPress)

  1. Automatic Feed Links In Header

    // add feed links to header
    if (function_exists('automatic_feed_links')) {
    } else {

  2. Add Google Analytics In The Footer (Only For Not-Logged-In Visitors)

    // add google analytics to footer
    function add_google_analytics() {if(is_user_logged_in()) return;
    echo '<script src="http://www.google-analytics.com/ga.js" type="text/javascript"></script>';
    echo '<script type="text/javascript">';
    echo 'var pageTracker = _gat._getTracker("UA-XXXXX-X");';
    echo 'pageTracker._trackPageview();';
    echo '</script>';
    add_action('wp_footer', 'add_google_analytics');

  3. Automatic JQuery Inclusion

    // automatic jquery inclusion
    if (!is_admin()) {
    wp_register_script('jquery', ("http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"), false);

  4. Dynamic Copyright Date In WordPress Footer

    //add dynamic copyright date
    function dynamic_copyright() {
    global $wpdb;
    $copyright_dates = $wpdb->get_results("
    YEAR(min(post_date_gmt)) AS firstdate,
    YEAR(max(post_date_gmt)) AS lastdate
    post_status = 'publish'
    $output = '';
    if($copyright_dates) {
    $copyright = "&copy; " . $copyright_dates[0]->firstdate;
    if($copyright_dates[0]->firstdate != $copyright_dates[0]->lastdate) {
    $copyright .= '-' . $copyright_dates[0]->lastdate;
    $output = $copyright;
    return $output;

    Add the following code to footer.php file:

    <?php echo dynamic_copyright(); ?>

  5. Add Post Thumbnails To RSS feeds

    //include post thumbnails in RSS feeds
    function rss_post_thumbnail($content) {
    global $post;
    if(has_post_thumbnail($post->ID)) {
    $content = '<p>' . get_the_post_thumbnail($post->ID) .
    '</p>' . get_the_content();
    return $content;
    add_filter('the_excerpt_rss', 'rss_post_thumbnail');
    add_filter('the_content_feed', 'rss_post_thumbnail');

  6. Customize Excerpts Length

    //modify default excerpt length
    function new_excerpt_length($length) {
    return 100;
    add_filter('excerpt_length', 'new_excerpt_length');

  7. Set Minimum Word Count For Posts

    //set minimum word count for posts
    function minWord ($content)
    global $post;
    $content = $post->post_content;
    if (str_word_count($content) < 100 ) //set this to the minimum number of words
    wp_die( __('Error: your post is below the minimum word count. It needs to be longer than 100 words.') );
    add_action('publish_post', 'minWord');

  8. Delay Feed Update

    // delay rss feed update
    function publish_later_on_feed($where) {
    global $wpdb;
    if (is_feed()) {
    // timestamp in WP-format
    $now = gmdate('Y-m-d H:i:s');
    // value for wait; + device
    $wait = '5'; // integer
    // http://dev.mysql.com/doc/refman/5.0/en/date-and-time-functions.html#function_timestampdiff
    // add SQL-sytax to default $where
    $where .= " AND TIMESTAMPDIFF($device, $wpdb->posts.post_date_gmt, '$now') > $wait ";
    return $where;
    add_filter('posts_where', 'publish_later_on_feed')

  9. Multiple Widgitized areas

    //widgitize header, sidebar and footer areas
    if (function_exists('register_sidebar')) {
    'name' => 'Header',
    'id' => 'header',
    'description' => 'This is the widgetized header.',
    'before_widget' => '<div id="%1$s">',
    'after_widget' => '</div>',
    'before_title' => '<h4>',
    'after_title' => '</h4>'
    'name' => 'Sidebar',
    'id' => 'sidebar',
    'description' => 'This is the widgetized sidebar.',
    'before_widget' => '<div id="%1$s">',
    'after_widget' => '</div>',
    'before_title' => '<h4>',
    'after_title' => '</h4>'
    'name' => 'Footer',
    'id' => 'footer',
    'description' => 'This is the widgetized footer.',
    'before_widget' => '<div id="%1$s">',
    'after_widget' => '</div>',
    'before_title' => '<h4>',
    'after_title' => '</h4>'

    Thereafter, add the following code to the specific files — header.php, sidebar.php and footer.php. The code provided below is for header.php. Replace ‘header’ with ‘sidebar’ and ‘footer’ in respective files.

    <div id="widgetized-header">
    <?php if (function_exists('dynamic_sidebar') && dynamic_sidebar('header')) : else : ?>
    <p><strong>Widgetized Header</strong></p>
    <p>This panel is active and ready for you to add some widgets via the WP Admin</p>
    <?php endif; ?>

  10. Add Custom Content After Each Post

    // add custom post content
    function add_post_content($content) {
    if(!is_feed() && !is_home()) {
    $content .= '<p>This article is copyright &copy; '.date('Y').'&nbsp;'.bloginfo('name').'</p>';
    return $content;
    add_filter('the_content', 'add_post_content');

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