WordPress 主题常用函数
WordPress作为最受欢迎的Blog系统，以其易用、便捷、功能，受到越来越多的网页设计者及开发者的喜爱。下面列出了Wordpress主题设计过程中经常使用的一些函数。
列出最新发表的文章
<?php wp_get_archives('type=postbypost&limit=5'); ?>或者
<?php $recentposts = get_posts('numberposts=12&category=4');
foreach ($recentposts as $post) : setup_postdata($post); ?>
<li><a href="<?php the_permalink() ?>"><?php the_title(); ?></a></li>
<?php endforeach; ?>
显示目录
<h2>目录</h2>
<ul>
<?php wp_list_cats('sort_column=name'); ?>
</ul>
显示归档
<h2>归档</h2>
<ul>
<?php wp_get_archives('type=monthly'); ?>
</ul>显示标签云
<?php wp_tag_cloud('smallest=8&largest=36&'); ?>显示Blogroll
<ul> <?php wp_list_bookmarks('title_li=&categorize=0'); ?> </ul>
显示标签
<?php the_tags(); ?>显示页面链接
<h2>页面</h2>
<ul>
<?php wp_list_pages('title_li='); ?>
</ul>列出最新评论
<?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,1,30) 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 10";
$comments = $wpdb->get_results($sql);
$output = $pre_HTML;
$output .= "\n<ul>";
foreach ($comments as $comment) {
$output .= "\n<li>".strip_tags($comment->comment_author)
.":" . "<a href=\"" . get_permalink($comment->ID) .
"#comment-" . $comment->comment_ID . "\" title=\"on " .
$comment->post_title . "\">" . strip_tags($comment->com_excerpt)
."</a></li>";
}
$output .= "\n</ul>";
$output .= $post_HTML;
echo $output;?>显示于管理员相关的链接
<ul>
<?php wp_register(); ?>
<li><?php wp_loginout(); ?></li>
<li><a href="http://www.wordpress.org/">WordPress</a></li>
<?php wp_meta(); ?>
<li><a href="http://validator.w3.org/check?uri=referer">XHTML</a></li>
</ul>列出评论数最多的文章
<?php $result = $wpdb->get_results("SELECT
comment_count,ID,post_title FROM $wpdb->posts ORDER BY comment_count
DESC LIMIT 0 , 10");
foreach ($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); ?>"
title="<?php echo $title ?>"><?php echo $title
?></a></li>
<?php } } ?>根据目录编号ID显示文章列表
function get_post_by_category($cat,$num)
{
global $wpdb;
$sql = "SELECT id,post_title
FROM $wpdb->posts
LEFT OUTER JOIN $wpdb->term_relationships ON $wpdb->term_relationships.object_id = $wpdb->posts.ID
WHERE $wpdb->term_relationships.term_taxonomy_id =$cat
LIMIT 0 , $num";
$posts = $wpdb->get_results($sql);
$output = $pre_HTML;
foreach ($posts as $post) {
$output .= "\n<a href=\"" . get_permalink($post->ID) . "\">".$post->post_title."</a>";
}
$output .= $post_HTML;
echo $output;
}