<?php <br />
function filter_where($where = \'\') {<br/>
$where .= " AND post_date >= \'1980-05-11\' AND post_date <= \'2011-05-11\'";<br/ >
return $where;</br>
}<br/>
add_filter(\'posts_where\', \'filter_where\');<br/>
query_posts($query_string);<br/>
while (have_posts()) :<br/>
the_post();<br/>
the_content();<br/>
endwhile;<br/>
?>
获取元数据值并替换为数字日期。