milo Support forum for WordPress and BuddyPress themes Tag: hacks

milo Support forum for WordPress and BuddyPress themes Tag: hacks http://forum.milo317.com/ WordPress tips, hacks and Security updates en Fri, 18 May 2012 13:05:38 +0000 milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/11#post-1539 Sat, 05 Jun 2010 08:30:04 +0000 milo 1539@http://forum.milo317.com/ Comments A Comment Author Made functions.php function commentCountAuthor(){ $oneText = 'One comment'; $moreText = '% comments'; global $wpdb; $result = $wpdb->get_var(' SELECT COUNT(comment_ID) FROM '.$wpdb->comments.' WHERE comment_author_email = "'.get_comment_author_email().'"' ); if($result == 1): echo str_replace('%', $result, $oneText); elseif($result > 1): echo str_replace('%', $result, $moreText); endif; } template commentCountAuthor(); milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1538 Sat, 05 Jun 2010 08:28:41 +0000 milo 1538@http://forum.milo317.com/ Show Number of Retweets Sign up with <a href="http://www.backtype.com/">Backtype</a> to use get an <a href="http://www.backtype.com/developers">API key</a>. 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( $url ); echo "".$result['body']." tweets"; ?> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1536 Tue, 01 Jun 2010 12:26:27 +0000 milo 1536@http://forum.milo317.com/ 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')) ) { milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1535 Tue, 01 Jun 2010 12:22:40 +0000 milo 1535@http://forum.milo317.com/ 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> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1534 Tue, 01 Jun 2010 12:19:56 +0000 milo 1534@http://forum.milo317.com/ 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>"; } } milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1533 Tue, 01 Jun 2010 12:18:44 +0000 milo 1533@http://forum.milo317.com/ 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', $nyc_borough); } milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1532 Tue, 01 Jun 2010 12:17:36 +0000 milo 1532@http://forum.milo317.com/ Your Own Logo //hook the administrative header output add_action('admin_head', 'my_custom_logo'); function my_custom_logo() { echo ' <style type="text/css"> #header-logo { background-image: url('.get_bloginfo('template_directory').'/images/custom-logo.gif) !important; } </style> '; } milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1531 Tue, 01 Jun 2010 12:17:09 +0000 milo 1531@http://forum.milo317.com/ Customizing the Contextual Help Dropdown //hook loading of new page and edit page screens add_action('load-page-new.php','add_custom_help_page'); add_action('load-page.php','add_custom_help_page'); function add_custom_help_page() { //the contextual help filter add_filter('contextual_help','custom_page_help'); } function custom_page_help($help) { //keep the existing help copy echo $help; //add some new copy echo "<h5>Custom Features</h5>"; echo "Content placed above the more divider will appear in column 1. Content placed below the divider will appear in column 2."; } milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1530 Tue, 01 Jun 2010 12:16:34 +0000 milo 1530@http://forum.milo317.com/ 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 'Welcome to your custom theme! Need help? Contact the developer <a href="http://url.com">here</a>.'; } milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1529 Tue, 01 Jun 2010 12:15:02 +0000 milo 1529@http://forum.milo317.com/ 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 $output; } add_filter('wp_list_pages', 'add_bookmarks_to_menu'); milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1528 Tue, 01 Jun 2010 12:14:12 +0000 milo 1528@http://forum.milo317.com/ Private Page in Navigation Menu < ul> <?php // add a private page to your navigation menu wp_list_pages('depth=1&title_li=0&sort_column=menu_order'); if(current_user_can('read_private_pages')) : ?> < li>< a href="<?php echo get_permalink(10); ?>">For Authors only< /a>< /li> <?php endif; ?> </ ul> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1527 Tue, 01 Jun 2010 12:12:59 +0000 milo 1527@http://forum.milo317.com/ Disable Widgets functions <?php // disable all widgets function disable_all_widgets($sidebars_widgets) { $sidebars_widgets = array(false); return $sidebars_widgets; } add_filter('sidebars_widgets', 'disable_all_widgets'); ?> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1526 Tue, 01 Jun 2010 12:11:57 +0000 milo 1526@http://forum.milo317.com/ 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 } ?> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1525 Tue, 01 Jun 2010 12:10:46 +0000 milo 1525@http://forum.milo317.com/ 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; ?> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1524 Tue, 01 Jun 2010 12:09:57 +0000 milo 1524@http://forum.milo317.com/ 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 {} milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1523 Tue, 01 Jun 2010 12:08:41 +0000 milo 1523@http://forum.milo317.com/ 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>', )); } } ?> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1522 Tue, 01 Jun 2010 12:07:38 +0000 milo 1522@http://forum.milo317.com/ 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> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1521 Tue, 01 Jun 2010 12:06:46 +0000 milo 1521@http://forum.milo317.com/ 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 $output; ?> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1520 Tue, 01 Jun 2010 12:05:37 +0000 milo 1520@http://forum.milo317.com/ Random Posts functions function query_random_posts($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 $vars; } } add_filter( 'posts_orderby', array('RandomPosts', 'orderby') ); add_filter( 'query_vars', array('RandomPosts', 'register_query_var') ); template <?php query_posts('cat=11&showposts=11&random=true'); ?> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1519 Tue, 01 Jun 2010 12:03:45 +0000 milo 1519@http://forum.milo317.com/ Automatically Remove Code Mistakes in Posts functions function clean_bad_content($bPrint = false) { global $post; $szPostContent = $post->post_content; $szRemoveFilter = array("~<p[^>]*>\s?~", "~<a[^>]*>\s?~", "~<font[^>]*>~", "~<\/font>~", "~style\=\"[^\"]*\"~", "~<span[^>]*>\s?~"); $szPostContent = preg_replace($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); ?> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1518 Tue, 01 Jun 2010 12:02:33 +0000 milo 1518@http://forum.milo317.com/ Limit Post Revisions wp config file /* limit number of post revisions */ define('WP_POST_REVISIONS', 3); milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1517 Tue, 01 Jun 2010 12:01:53 +0000 milo 1517@http://forum.milo317.com/ Disable Post Revisions wp config file /* disable post-revisioning nonsense */ define('WP_POST_REVISIONS', FALSE); milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1516 Tue, 01 Jun 2010 12:01:07 +0000 milo 1516@http://forum.milo317.com/ 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; ?> milo on "WordPress Tips" http://forum.milo317.com/topic/hacks/page/10#post-1515 Tue, 01 Jun 2010 12:00:05 +0000 milo 1515@http://forum.milo317.com/ 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); }