<?php
if (have_posts()) :
     while (have_posts()) : the_post(); ?>
         // 获取以 expiration 为 key 的 custom field 的值
         $expirationtime = get_post_custom_values('expiration');
         if (is_array($expirationtime)) {
             // 把数组元素组合为字符串
             $expirestring = implode($expirationtime);
         }
         // 比较时间
         $secondsbetween = strtotime($expirestring)-time();
         if ( $secondsbetween > 0 ) {
             // For exemple...
             the_title();
             the_excerpt();
         }
     endwhile;
endif;
?>

<?php
/**
 * @package WordPress
 * @subpackage Default_Theme
 */
 
get_header(); ?>
 
	<div id="content" class="narrowcolumn">
 
	<?php if (have_posts()) : ?>
 
		<?php while (have_posts()) : the_post(); ?>
		<?php  
		$expirationtime = get_post_custom_values('expiration');
		if(empty($expirationtime)){
			?>
			<div <?php post_class() ?> id="post-<?php the_ID(); ?>">
				<h2><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></h2>
				<small><?php the_time('F jS, Y') ?> <!-- by <?php the_author() ?> --></small>
 
				<div class="entry">
					<?php the_content('Read the rest of this entry &raquo;'); ?>
				</div>
 
				<p class="postmetadata">
<?php the_tags('Tags: ', ', ', '<br />'); ?> 
Posted in <?php the_category(', ') ?> | <?php edit_post_link('Edit', '', ' | '); ?>  <?php comments_popup_link('No Comments &#187;', '1 Comment &#187;', '% Comments &#187;'); ?></p>
			</div>
		<?php
		}else{
         if (is_array($expirationtime)) {
             $expirestring = implode($expirationtime);
         }
 
         $secondsbetween = strtotime($expirestring)-time();
         if ( $secondsbetween > 0 ) {
         	 ?>
			<div <?php post_class() ?> id="post-<?php the_ID(); ?>">
				<h2>
<a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>">
<?php the_title(); ?></a></h2>
				<small><?php the_time('F jS, Y') ?> <!-- by <?php the_author() ?> --></small>
 
				<div class="entry">
					<?php the_content('Read the rest of this entry &raquo;'); ?>
				</div>
 
				<p class="postmetadata">
<?php the_tags('Tags: ', ', ', '<br />'); ?> 
Posted in <?php the_category(', ') ?> | <?php edit_post_link('Edit', '', ' | '); ?>  <?php comments_popup_link('No Comments &#187;', '1 Comment &#187;', '% Comments &#187;'); ?></p>
			</div>
		 <?php }} ?>
		<?php endwhile; ?>
 
		<div class="navigation">
			<div class="alignleft"><?php next_posts_link('&laquo; Older Entries') ?></div>
			<div class="alignright"><?php previous_posts_link('Newer Entries &raquo;') ?></div>
		</div>
 
	<?php else : ?>
 
		<h2 class="center">Not Found</h2>
		<p class="center">Sorry, but you are looking for something that isn't here.</p>
		<?php get_search_form(); ?>
	<?php endif; ?>
	</div>
<?php get_sidebar(); ?>
<?php get_footer(); ?>

/* vBulletin 3 CSS For Style 'DrL sTyLe 2.0' (styleid: 3) */
/* ***** shell bbcode style ***** */
.shell 
{ 
    width: 95%; 
    border: 1px solid #909090; 
    padding: 16px 8px 8px; 
    margin: 16px 8px 8px 8px; 
    text-align: left; 
    background-color: #000000; 
    color: #ffffff; 
    font: 12px "lucida console", "courier new", "lucida grande", sans-serif; 
}
.shell a:link
{
    color: #00ff00;
    text-decoration: none;
}
.shell a:visited
{
    color: #00ff00;
    text-decoration: none;
}
.shell a:hover, .thead a:active
{
    color: #00ffff;
    text-decoration: underline;
}

<p class=shell>内容</p>

edButtons[edButtons.length] =
new edButton('ed_shell'
,'shell'
,'<p class=shell>'
,'</p>'
,''
);

edButtons[edButtons.length] =
new edButton('ed_coolcode'
,'coolcode'
,'<coolcode>
'
,'
</coolcode>'
,''
);

edButtons[edButtons.length] =
new edButton('ed_page'
,'page'
,'<!--page-->'
,''
,'p'
,-1
);