打印上一篇文章的链接。
原型
previous_post( string $format = '%', string $previous = 'previous post: ', string $title = 'yes', string $in_same_cat = 'no', int $limitprev = 1, string $excluded_categories = '' )
参数
$format
(string)
(Optional)
$previous
(string)
(Optional)
$title
(string)
(Optional)
$in_same_cat
(string)
(Optional)
$limitprev
(int)
(Optional)
$excluded_categories
(string)
(Optional)
源文件
路径:wp-includes/deprecated.php
<?php
...
function previous_post($format='%', $previous='previous post: ', $title='yes', $in_same_cat='no', $limitprev=1, $excluded_categories='') {
_deprecated_function( __FUNCTION__, '2.0.0', 'previous_post_link()' );
if ( empty($in_same_cat) || 'no' == $in_same_cat )
$in_same_cat = false;
else
$in_same_cat = true;
$post = get_previous_post($in_same_cat, $excluded_categories);
if ( !$post )
return;
$string = '<a href="'.get_permalink($post->ID).'">'.$previous;
if ( 'yes' == $title )
$string .= apply_filters('the_title', $post->post_title, $post->ID);
$string .= '</a>';
$format = str_replace('%', $string, $format);
echo $format;
}
...
?>
其他
英文文档:https://developer.wordpress.org/reference/functions/previous_post/