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[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
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-
Display the number of tweets for each page or post
function tweetCount($url) {
$content = file_get_contents("http://api.tweetmeme.com/url_info?url=".$url);
$element = new SimpleXmlElement($content);
$tweets = $element->story->url_count;
echo $tweets." tweets!";
}<?php tweetCount($post->permalink); ?>
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Custom WP_Query Loop Working with Pagination and WP-PageNavi
<?php
$temp = $wp_query;
$wp_query= null;
$wp_query = new WP_Query('cat=-6&paged=' . $paged);
while ($wp_query->have_posts()) : $wp_query->the_post();
?><?php // the usual post-displaying codes here ?>
<?php
endwhile;
if(function_exists('wp_pagenavi')) { wp_pagenavi(); }
$wp_query = null; $wp_query = $temp; ?> -
WordPress 2.9 add_theme_support
// Load in support for template functions which the theme supports require_if_theme_supports( 'post-thumbnails', ABSPATH . WPINC . '/post-image-template.php'
if ( function_exists( 'add_theme_support' ) ) add_theme_support( 'post-thumbnails' );
<?php if ( has_post_image() ) : ?> < a href="<?php the_permalink(); ?>"><?php the_post_image( array( 75, 75 ), array( 'class' => 'alignleft' ) ); ?>< /a> <?php endif; ?>
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WordPress 2.9 new excerpt filters
// Changing excerpt length
function new_excerpt_length($length) { return 40; } add_filter('excerpt_length', 'new_excerpt_length');
// Changing excerpt more function new_excerpt_more($more) { return '...'; }
add_filter('excerpt_more', 'new_excerpt_more'); -
Cleanup WordPress Header
remove_action( 'wp_head', 'feed_links_extra', 3 ); // Display the links to the extra feeds such as category feeds
remove_action( 'wp_head', 'feed_links', 2 ); // Display the links to the general feeds: Post and Comment Feed
remove_action( 'wp_head', 'rsd_link' ); // Display the link to the Really Simple Discovery service endpoint, EditURI link remove_action( 'wp_head', 'wlwmanifest_link' ); // Display the link to the Windows Live Writer manifest file.
remove_action( 'wp_head', 'index_rel_link' ); // index link
remove_action( 'wp_head', 'parent_post_rel_link', 10, 0 ); // prev link
remove_action( 'wp_head', 'start_post_rel_link', 10, 0 ); // start link remove_action( 'wp_head', 'adjacent_posts_rel_link', 10, 0 ); // Display relational links for the posts adjacent to the current post.
remove_action( 'wp_head', 'wp_generator' ); // Display the XHTML generator that is generated on the wp -
show WordPress post attachments
$args = array(
'post_type' => 'attachment',
'numberposts' => null,
'post_status' => null,
'post_parent' => $post->ID );
$attachments = get_posts($args);
if ($attachments) {
foreach ($attachments as $attachment) {
echo apply_filters('the_title', $attachment->post_title); the_attachment_link($attachment->ID, false); } } -
Display all thumbs related to a specific page on a media page in WordPress
function wallthumb($id=false,$beforelist='< ul class="gallerythumb">',$afterlist='< /ul>',$beforeitem='< li>',$afteritem='< /li>'){
global $wp_query;
$goquery = $wp_query->post;
if(is_attachment()){
$ptitre = $goquery->post_title;
$idparent = $goquery->post_parent;
if(!$id){
$id = $goquery->ID;
}
if($idparent == null || $idparent == '' || $idparent == 0){
return;
}
//$twice = get_posts('post_type=attachment&post_mime_type=image&numberposts=-1&order=ASC&post_status=null&post_parent='.$idparent);
$twice = get_children('post_type=attachment&post_mime_type=image&order=ASC&post_parent='.$idparent);//recup des infos des pièces jointes a la page parente
$stocklienimage = array();
if($twice){//si pièces jointes
foreach ($twice as $value) {//boucle
$classthumbactu = '';
if($value->ID == $id){
$classthumbactu=' thumbactu';
}
$stocklienimage[$value->ID] = $beforeitem.'< a class="wallthumb'.$classthumbactu.'" href="'.get_attachment_link($value->ID).'" title="'.wp_specialchars( get_the_title($value->ID), 1 ).'" rel="attachment">'.wp_get_attachment_image( $value->ID, 'thumbnail' ).'< /a>'.$afteritem;
}
}else{
return;
}
echo $beforelist.implode('', $stocklienimage).$afterlist;
}
}<?php wallthumb() ?>
-
Extend the body_class function
add_filter('body_class','top_level_parent_id_body_class');
function top_level_parent_id_body_class($classes) {
global $wpdb, $post;
if (is_page()) {
if ($post->post_parent) { $ancestors=get_post_ancestors($post->ID); $root=count($ancestors)-1;
$parent = $ancestors[$root];
} else {
$parent = $post->ID; }
$classes[] = 'top-level-parent-pageid-' . $parent; }
return $classes; } -
Automatically insert author bio on each post
function get_author_bio ($content=''){
global $post; $post_author_name=get_the_author_meta("display_name"); $post_author_description=get_the_author_meta("description"); $html="<div class='clearfix' id='about_author'>\n"; $html.="\n"; $html.="<div class='author_text'>\n"; $html.="<h4>Author: <span>".$post_author_name."</span></h4>\n"; $html.= $post_author_description."\n"; $html.="</div>\n"; $html.="<div class='clear'></div>\n"; $content .= $html; return $content; } add_filter('the_content', 'get_author_bio');
-
Hide login error messages
add_filter('login_errors',create_function('$a', "return null;"));
-
title overwrite
<?php $title = get_post_meta($post->ID, "custom-title", true); if ($title != "") { echo "<h1>".$title."</h1>"; } else { ?> <h1><?php the_title(); ?></h1> <?php } ?>
-
detect the visitor browser
<?php add_filter('body_class','browser_body_class'); function browser_body_class($classes) { global $is_lynx, $is_gecko, $is_IE, $is_opera, $is_NS4, $is_safari, $is_chrome, $is_iphone; if($is_lynx) $classes[] = 'lynx'; elseif($is_gecko) $classes[] = 'gecko'; elseif($is_opera) $classes[] = 'opera'; elseif($is_NS4) $classes[] = 'ns4'; elseif($is_safari) $classes[] = 'safari'; elseif($is_chrome) $classes[] = 'chrome'; elseif($is_IE) $classes[] = 'ie'; else $classes[] = 'unknown'; if($is_iphone) $classes[] = 'iphone'; return $classes; } ?>
-
categories in two columns
<?php $cats = explode("< br />",wp_list_categories('title_li=&echo=0&depth=1&style=none')); $cat_n = count($cats) - 1; for ($i=0;$i<$cat_n;$i++): if ($i<$cat_n/2): $cat_left = $cat_left.'< li>'.$cats[$i].'< /li>'; elseif ($i>=$cat_n/2): $cat_right = $cat_right.'< li>'.$cats[$i].'< /li>'; endif; endfor; ?> < ul class="left"> <?php echo $cat_left;?> < /ul> < ul class="right"> <?php echo $cat_right;?> < /ul>
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tr.im urls for your blog posts
function getTrimUrl($url) { $tinyurl = file_get_contents("http://api.tr.im/api/trim_simple?url=".$url); return $tinyurl; }
<?php $turl = getTrimUrl(get_permalink($post->ID)); echo 'Short Url for this post: < a href="'.$turl.'">'.$turl.'< /a>' ?>
-
latest sticky posts
<?php $sticky = get_option('sticky_posts'); rsort( $sticky ); $sticky = array_slice( $sticky, 0, 5); query_posts( array( 'post__in' => $sticky, 'caller_get_posts' => 1 ) ); ?>
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insert content after each post
function insertFootNote($content) { if(!is_feed() && !is_home()) { $content.= "<div class='subscribe'>"; $content.= "<h4>Enjoyed this article?</h4>"; $content.= "<p>Subscribe to our < a href='http://feeds2.feedburner.com/...'>RSS feed< /a> and never miss a recipe!</p>"; $content.= "</div>"; } return $content; } add_filter ('the_content', 'insertFootNote');
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send your articles by email to their friends
< a href="mailto:?subject=<?php the_title(); ?>&body=<?php the_permalink() ?>" title="Send this article to a friend!">Email this< /a>
-
Remove widget areas
<?php add_filter( 'sidebars_widgets', 'disable_all_widgets' ); function disable_all_widgets( $sidebars_widgets ) { if ( is_home() ) $sidebars_widgets = array( false ); return $sidebars_widgets; } ?>
-
provide tinyurls
function getTinyUrl($url) { $tinyurl = file_get_contents("http://tinyurl.com/api-create.php?url=".$url); return $tinyurl; }
<?php $turl = getTinyUrl(get_permalink($post->ID)); echo 'Tiny Url for this post: < a href="'.$turl.'">'.$turl.'< /a>' ?>
-
Get parent page/post title
<?php $parent_title = get_the_title($post->post_parent); echo $parent_title; ?>
-
privates pages in navigation menus
< ul>
<?php 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> -
enlight searched text in search results
echo $title;
replaced with
<?php $title = get_the_title(); $keys= explode(" ",$s); $title = preg_replace('/('.implode('|', $keys) .')/iu', '<strong class="search-excerpt">', $title); ?>
-
Remove /category/ from your WordPress url
RewriteRule ^category/(.+)$ http://www.yourblog.com/$1 [R=301,L]
-
Embed CSS in your posts with a custom field
<?php if (is_single()) { $css = get_post_meta($post->ID, 'css', true); if (!empty($css)) { ?> <style type="text/css"> <?php echo $css; ?> <style> <?php } } ?>
insert the following code between the <head> and </head>
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