if ( '' == $comment_content )

if ( !$user->ID ) {
$aaa = trim($_POST[aaa]);
$bbb = trim($_POST[bbb]);
$subab = trim($_POST[subab]);
if((($aaa+$bbb)!=$subab)|| empty($subab)){wp_die( __('错误提示：请正确输入的两数相加的和。') );
 }
}

<?php if (!$user_ID) : ?> 
<?php $aaa=rand(0,5); $bbb=rand(3,9); ?>
<p><input type="text" name="subab" id="subab" size="22" tabindex="4"/></small><input name="aaa" value="<?php echo $aaa; ?>" type="hidden" /><input name="bbb" value="<?php echo $bbb; ?>" type="hidden" /><small> =</small><?php echo $aaa; ?>+<?php echo $bbb; ?><label for="Validation"><small> (validation)</small></label></p>
<?php endif; ?>

/*
author: 荒野无灯
author url: http://www.ihacklog.com
date: 2011-04-24
*/
 
/* start Hacklog-downloadmanager或wp-downloadmanager 首页调用函数 by 荒野无灯*/
function the_hacklogdownload_file()
{
global $post;
$id=hacklogdownload_do_get_downid($post->post_content);
                $conditions = array ();
                if ( '' != $id ) {
                        if (strpos ( $id, ',' ) !== false) {
                                $conditions [] = "file_id IN ($id)";
                        } else {
                                $conditions [] = "file_id = $id";
                        }
                }
                if ($conditions) {
                        echo download_embedded ( implode ( ' AND ', $conditions ), 'both' );
                } else {
                        echo '';
                }
}
function hacklogdownload_do_get_downid($content)
{
$val='';
if(preg_match("@\[download id=\"([0-9,\s]+)\"\]@",$content,$matches) )
{
        $val=$matches[1];
}
return $val;
}
/* end Hacklog-downloadmanager或wp-downloadmanager 首页调用函数 by 荒野无灯*/

<?php

<?php the_hacklogdownload_file();?>

<?php
$u_time = get_the_time('U'); /*获取日志文章发表时间的时间戳*/
echo date("M j,Y",$u_time); /*Jan 27,2010*/
echo date("F j,Y",$u_time); /*January 27,2010*/
?>

function email_members($post_ID)  {
    global $wpdb;
    $usersarray = $wpdb->get_results("SELECT user_email FROM $wpdb->users;");
    $users = implode(",", $usersarray);
    mail($users, "您关注的博客“爱在深邱”已有更新", '<a href="http://www.shenaiqiu.com">点此查看博客更新内容</a>');
    return $post_ID;
}
add_action('publish_post', 'email_members');

<!--p query_posts('showposts=5');-->
<ul>
<!--p while (have_posts()) : the_post();-->
	<li><a href="http://www.shenaiqiu.com/wp-admin/&lt;?php the_permalink() ?&gt;"><!--p the_title();--></a>
 
<!--p endwhile--></li>
</ul>

<!--p  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 = $wpd-->get_results($sql);
$output = $pre_HTML;
$output .= "\n
<ul>";
foreach ($comments as $comment) {
$output .= "\n
	<li>".strip_tags($comment-&gt;comment_author)
.":" . "<a href="\">ID) .
"#comment-" . $comment-&gt;comment_ID . "\" title=\"on " .
$comment-&gt;post_title . "\"&gt;" . strip_tags($comment-&gt;com_excerpt)
."</a>
 
";
}
$output .= "\n</li>
</ul>
";
$output .= $post_HTML;
echo $output;?&gt;

<!--p $result = $wpd-->get_results("SELECT comment_count,ID,post_title FROM $wpdb-&gt;posts ORDER BY comment_count DESC LIMIT 0 , 
 
10");
foreach ($result as $topten) {
$postid = $topten-&gt;ID;
$title = $topten-&gt;post_title;
$commentcount = $topten-&gt;comment_count;
if ($commentcount != 0) { ?&gt;
	<li><a title="&lt;?php echo $title ?&gt;" href="http://www.shenaiqiu.com/wp-admin/&lt;?php echo get_permalink($postid); ?&gt;"><!--p echo $title--></a>
 
<!--p } }--></li>

<!--p wp_list_cats('sort_column=name');-->

<!--p wp_get_archives('type=monthly');-->

<!--p wp_list_pages('title_li='); ?>

<?php if(function_exists(’get_avatar’)){ echo get_avatar($comment, ‘50?);} ?>

<?php$children = wp_list_pages('title_li=&#038;child_of='.$post->ID.'&#038;echo=0');
if ($children) {-->
<ul> <!--p echo $children;--></ul>
<!--p }-->

<!--p the_tags();-->

<!--p wp_tag_cloud('smallest=8&#038;largest=36&#038;');-->

<!--p /* Template Name: Portfolio */-->

<!--pif (is_home()) { echo bloginfo('name');  } elseif (is_404()) {  echo '404 Not Found';  } elseif (is_category()) {  echo 'Category:'; wp_title('');  } elseif (is_search()) {  echo 'Search Results';  } elseif ( is_day() || is_month() || is_year() ) {  echo 'Archives:'; wp_title('');  } else {  echo wp_title('');  } -->

<!--p if ( is_home() ) { include ('file.php'); }-->

<!--p bloginfo('name');-->

<!--p wp_title();-->

<!--p bloginfo(’stylesheet_url');-->

<!--p bloginfo('pingback_url');-->

<!--p bloginfo('template_url');-->

<!--p bloginfo('version');-->

<!--p bloginfo('atom_url');-->

<!--p bloginfo('rss2_url');-->

<!--p bloginfo('url');-->

<!--p bloginfo('name');-->

<!--p bloginfo('html_type');-->

<!--p bloginfo('charset');-->

<!--p the_content();-->

<!--p if(have_posts()) :-->

<!--p while(have_posts()) : the_post();-->

<!--p endwhile;-->

<!--p endif;-->

<!--p get_header();-->

<!--p get_sidebar();-->

<!--p comments_template();-->

<!--p get_footer();-->

<!--p the_time('m-d-y')-->

<!--p comments_popup_link();-->

<!--p the_title();-->

<!--p the_permalink()-->

<!--p the_category(',')-->

<!--p the_author();-->

<!--p the_ID();-->

<!--p edit_post_link();-->

<!--p get_links_list();-->

<!--p wp_list_pages();-->

<!--p wp_list_cats();-->

<!--p next_post_link('%link')-->

<!--p previous_post_link('%link')-->

<!--p get_calendar();-->

<!--p wp_get_archives()-->

<!--p posts_nav_link();-->

<!--p bloginfo('description');-->

<?php
$qs = $_SERVER['QUERY_STRING'];
$pos = strrpos($qs, '://');
$pos = strpos($qs, '/', $pos + 4);
$_SERVER['REQUEST_URI'] = substr($qs, $pos);
$_SERVER['PATH_INFO'] = $_SERVER['REQUEST_URI'];
include('index.php');
?>