- About
- Work
- Themes
- WordPress
- Themes
- Theme viewer
- Support
- BuddyPress
- Themes
- Theme viewer
- Support
- Magento
- Themes
- Theme viewer
- Support
- Contact
- Get in touch
- Contact form
- Vcard
- Resume
- Email me
- Quick way
- +49 173 4298898
- Flickr
- Search
- Photography
- Julie Andrews
- Lee Jeffries
- Faye Dunaway
- Searching
- Custom Google search
- Sitemap
- Archives
Support
[sticky] [closed] WordPress Tips (241 posts)
Languages
About This Topic
Posted 3 years ago
By milo
Latest reply from milo- This topic is
sticky - This topic is
closed Related Topics:
Tags
-
Display Last Modified Time and Date for Posts
Posted on <?php the_time('F jS, Y') ?>
<?php $u_time = get_the_time('U');
$u_modified_time = get_the_modified_time('U');
if($u_modified_time != $u_time) {
echo "and last modified on ";
the_modified_time('F jS, Y');
echo ". ";
} ?> -
Display Total Number of Trackbacks and Pingbacks
functions
function comment_count() {
global $wpdb;
$count = "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_type = 'pingback' OR comment_type = 'trackback'";
echo $wpdb->get_var($count);
} -
Display Private Posts to Logged-in Users
<?php if (have_posts()) : while (have_posts()) : the_post();
$private = get_post_custom_values("private");
if (isset($private[0]) && $private == "true") {
if (is_user_logged_in()) {
// Display private post to logged user
}
} else {
// Display public post to everyone
}
endwhile; endif; ?> -
Disable Post Revisions
wp config file
/* disable post-revisioning nonsense */
define('WP_POST_REVISIONS', FALSE); -
Limit Post Revisions
wp config file
/* limit number of post revisions */
define('WP_POST_REVISIONS', 3); -
Automatically Remove Code Mistakes in Posts
functions
function clean_bad_content($bPrint = false) {
global $post;
$szPostContent = $post->post_content;
$szRemoveFilter = array("~<p[^>]*>\s?</p>~", "~<a[^>]*>\s?~", "~<font[^>]*>~", "~<\/font>~", "~style\=\"[^\"]*\"~", "~<span[^>]*>\s?</span>~");
$szPostContent = preg_replace($szRemoveFilter, '', $szPostContent);
$szPostContent = apply_filters('the_content', $szPostContent);
if ($bPrint == false) return $szPostContent;
else echo $szPostContent;
}template within loop
<?php if (function_exists('clean_bad_content')) clean_bad_content(true); ?>
-
Random Posts
functions
function query_random_posts($query) {
return query_posts($query . '&random=true');
}
class RandomPosts {
function orderby($orderby) {
if (get_query_var('random') == 'true')
return "RAND()";
else
return $orderby;
}
function register_query_var($vars) {
$vars[] = 'random';
return $vars;
}
}
add_filter( 'posts_orderby', array('RandomPosts', 'orderby') );
add_filter( 'query_vars', array('RandomPosts', 'register_query_var') );template
<?php query_posts('cat=11&showposts=11&random=true'); ?>
-
Latest Comments
<?php global $wpdb;
$sql = "SELECT DISTINCT ID, post_title, post_password, comment_ID,
comment_post_ID, comment_author, comment_date_gmt, comment_approved,
comment_type,comment_author_url,
SUBSTRING(comment_content,1,50) // NUMBER OF CHARACTERS
AS com_excerpt FROM $wpdb->comments
LEFT OUTER JOIN $wpdb->posts
ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID)
WHERE comment_approved = '1'
AND comment_type = ''
AND post_password = ''
ORDER BY comment_date_gmt
DESC LIMIT 5"; // NUMBER OF COMMENTS
$comments = $wpdb->get_results($sql);
$output = $pre_HTML;
$output .= "\n< ul>";foreach ($comments as $comment) {
$output .= "\n< li>"."< a href=\"" . get_permalink($comment->ID) .
"#comment-" . $comment->comment_ID . "\" title=\"on " .
$comment->post_title . "\">" .strip_tags($comment->comment_author)
.":
<div>" . strip_tags($comment->com_excerpt)
."</div></ a></ li>";
}
$output .= "\n";
$output .= $post_HTML;
echo $output;
?> -
Most Commented Posts
< ul>
<?php
$result = $wpdb->get_results("SELECT comment_count, ID, post_title FROM $wpdb->posts ORDER BY comment_count DESC LIMIT 0 , 10"); // NUMBER OF POSTS
foreach ($result as $topten) {
$postid = $topten->ID;
$title = $topten->post_title;
$commentcount = $topten->comment_count;
if ($commentcount != 0) {
?>
< li>< a href="<?php echo get_permalink($postid); ?>"><?php echo $title ?>< /a></ li><?php } } ?>
< /ul> -
Widgetizable Sidebars
<?php // multiple widgetizable sidebars
if (function_exists('register_sidebar')) {
$sidebars = array('Home Sidebar', 'Post Sidebar', 'Page Sidebar');
foreach($sidebars as $name) {
register_sidebar(array('name'=> $name,
'before_widget' => '<div id="%1$s" class="widget %2$s">',
'after_widget' => '</div>',
'before_title' => '<h3 class="widgetTitle">',
'after_title' => '</h3>',
));
}
}
?> -
Three Columns
template
<?php // multiple columns
$page_columns = explode("<--column-->", $post->post_content);
echo $page_columns[0]; // before columns
echo '<div class="first column">'.$page_columns[1].'</div>'; // first column
echo '<div class="second column">'.$page_columns[2].'</div>'; // second column
echo '<div class="third column">'.$page_columns[3].'</div>'; // third column
?>css
/* column structure */
.column {
margin-right: 10px;
float: left;
width: 33%;
}
/* column styles */
column.first, column.second, column.third {} -
Display Posts with Specific Custom Fields
<?php if (have_posts()) : while (have_posts()) : the_post(); ?>
<?php $custom_field = get_post_custom_values("name-of-custom-field"); ?>
<?php if (isset($custom_field[0])) { ?>
<h1>< a href="<?php the_permalink(); ?>"><?php the_title(); ?>< /a></h1>
<?php the_content(); ?>
<?php } else { ?>
<h2>< a href="<?php the_permalink(); ?>"><?php the_title(); ?>< /a></h2>
<?php the_excerpt(); ?>
<?php } ?>
<?php endwhile; endif; ?> -
Related Posts without a Plugin
<?php // related posts based on first tag of current post
$tags = wp_get_post_tags($post->ID);
if ($tags) {
echo '<h3>Related Posts</h3>';
$first_tag = $tags[0]->term_id;
$args = array(
'tag__in' => array($first_tag),
'post__not_in' => array($post->ID),
'showposts' => 7, // how many posts?
'caller_get_posts' => 1
);
$my_query = new WP_Query($args);
if ($my_query->have_posts()) { ?>
< ul>
<?php while ($my_query->have_posts()) : $my_query->the_post(); ?>
< li>< a href="<?php the_permalink(); ?>"><?php the_title(); ?>< /a>< /li>
<?php endwhile; ?>
< /ul>
<?php } ?>
<?php } ?> -
Disable Widgets
functions
<?php // disable all widgets
function disable_all_widgets($sidebars_widgets) {
$sidebars_widgets = array(false);
return $sidebars_widgets;
}
add_filter('sidebars_widgets', 'disable_all_widgets');
?> -
Private Page in Navigation Menu
< ul>
<?php // add a private page to your navigation menu
wp_list_pages('depth=1&title_li=0&sort_column=menu_order');
if(current_user_can('read_private_pages')) : ?>
< li>< a href="<?php echo get_permalink(10); ?>">For Authors only< /a>< /li>
<?php endif; ?>
</ ul> -
Additional Links to wp_list_pages
// include additional links
function add_bookmarks_to_menu($output) {
$bookmarks = (array) get_bookmarks('hide_invisible=0&category_name=wp_list_pages');
foreach ($bookmarks as $bookmark) {
$output .= "< li>< a href='{$bookmark->link_url}' title='{$bookmark->link_name}'>{$bookmark->link_name}< /a></ li>\n";
}
return $output;
}
add_filter('wp_list_pages', 'add_bookmarks_to_menu'); -
Customizing the Dashboard
add_action('wp_dashboard_setup', 'my_custom_dashboard_widgets');
function my_custom_dashboard_widgets() {
global $wp_meta_boxes;
unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins']);
unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_primary']);
unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']);
wp_add_dashboard_widget('custom_help_widget', 'Help and Support', 'custom_dashboard_help');
}
function custom_dashboard_help() {
echo '<p>Welcome to your custom theme! Need help? Contact the developer here.</p>';
} -
Customizing the Contextual Help Dropdown
//hook loading of new page and edit page screens
add_action('load-page-new.php','add_custom_help_page');
add_action('load-page.php','add_custom_help_page');
function add_custom_help_page() {
//the contextual help filter
add_filter('contextual_help','custom_page_help');
}
function custom_page_help($help) {
//keep the existing help copy
echo $help;
//add some new copy
echo "<h5>Custom Features</h5>";
echo "<p>Content placed above the more divider will appear in column 1. Content placed below the divider will appear in column 2.</p>";
} -
Your Own Logo
//hook the administrative header output
add_action('admin_head', 'my_custom_logo');function my_custom_logo() {
echo '
<style type="text/css">
#header-logo { background-image: url('.get_bloginfo('template_directory').'/images/custom-logo.gif) !important; }
</style>
';
} -
Custom Meta Box
/* Use the admin_menu action to define the custom boxes */
add_action('admin_menu', 'nyc_boroughs_add_custom_box');
/* Adds a custom section to the "side" of the post edit screen */
function nyc_boroughs_add_custom_box() {
add_meta_box('nyc_boroughs', 'Applicable Borough', 'nyc_boroughs_custom_box', 'post', 'side', 'high');
}
/* prints the custom field in the new custom post section */
function nyc_boroughs_custom_box() {
//get post meta value
global $post;
$custom = get_post_meta($post->ID,'_nyc_borough',true);
// use nonce for verification
echo '<input type="hidden" name="nyc_boroughs_noncename" id="nyc_boroughs_noncename" value="'.wp_create_nonce('nyc-boroughs').'" />';
// The actual fields for data entry
echo '<label for="nyc_borough">Borough</label>';
echo '<select name="nyc_borough" id="nyc_borough" size="1">';
//lets create an array of boroughs to loop through
$boroughs = array('Manhattan','Brooklyn','Queens','The Bronx','Staten Island');
foreach ($boroughs as $borough) {
echo '<option value="'.$borough.'"';
if ($custom == $borough) echo ' selected="selected"';
echo '>'.$borough.'</option>';
}
echo "</select>";
}
/* use save_post action to handle data entered */
add_action('save_post', 'nyc_boroughs_save_postdata');
/* when the post is saved, save the custom data */
function nyc_boroughs_save_postdata($post_id) {
// verify this with nonce because save_post can be triggered at other times
if (!wp_verify_nonce($_POST['nyc_boroughs_noncename'], 'nyc-boroughs')) return $post_id;
// do not save if this is an auto save routine
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) return $post_id;
$nyc_borough = $_POST['nyc_borough'];
update_post_meta($post_id, '_nyc_borough', $nyc_borough);
} -
Display an Author List
function contributors() {
global $wpdb;$authors = $wpdb->get_results("SELECT ID, user_nicename from $wpdb->users ORDER BY display_name");
foreach($authors as $author) {
echo "< li>";
echo "< a href=\"".get_bloginfo('url')."/?author=";
echo $author->ID;
echo "\">";
echo get_avatar($author->ID);
echo "< /a>";
echo '<div>';
echo "< a href=\"".get_bloginfo('url')."/?author=";
echo $author->ID;
echo "\">";
the_author_meta('display_name', $author->ID);
echo "</ a>";
echo "</div>";
echo "< /li>";
}
} -
Extend the User Contact
functions
function my_new_contactmethods( $contactmethods ) {
// Add Twitter
$contactmethods['twitter'] = 'Twitter';
//add Facebook
$contactmethods['facebook'] = 'Facebook';
return $contactmethods;
}
add_filter('user_contactmethods','my_new_contactmethods',10,1);template
<?php
$current_author = get_userdata(get_query_var('author'));
?>
< a href="<?php echo esc_url($current_author->twitter);?>" title="Twitter"> Follow me on Twitter< /a> -
load plugins on pages
add_action( 'wp_print_scripts', 'my_deregister_javascript', 100 );
if ( !is_page('Events') ) {
wp_deregister_script( 'wpng-calendar' );
wp_deregister_script( 'date-js' );
wp_deregister_script( 'thickbox-js' );
wp_deregister_script( 'jquery-js' );
wp_deregister_script( 'wiky-js' );
}
}If you need to show the plugin on multiple pages, change the if line to this:
if ( !is_page(array(2,'events','about-us')) ) {
-
Show Number of Retweets
Sign up with Backtype to use get an API key.
Once you have that, put it in next to $key.<?php
$link = get_permalink($post->ID);
$key = 'your key';
$url = "http://api.backtype.com/tweetcount.xml?q=$link&key=$key";
$request = new WP_Http;
$result = $request->request( $url );
echo "<span class=\"result\">".$result['body']."</span> tweets";
?>
Topic Closed
This topic has been closed to new replies.
