描述:
判断当前页面类型是否为置顶文章
用法:
<?php is_sticky($post_ID); ?>
参数:
$post_ID
(string) (可选) 文章ID
默认值: None
示例:
is_sticky();
// When any Sticky Post page is being displayed.
is_sticky('17');
// When Sticky Post 17 (ID) is being displayed.
源文件:
/**
* Check if post is sticky.
*
* Sticky posts should remain at the top of The Loop. If the post ID is not
* given, then The Loop ID for the current post will be used.
*
* @since 2.7.0
*
* @param int $post_id Optional. Post ID. Default is ID of the global $post.
* @return bool Whether post is sticky.
*/
function is_sticky( $post_id = 0 ) {
$post_id = absint( $post_id );
if ( ! $post_id )
$post_id = get_the_ID();
$stickies = get_option( 'sticky_posts' );
if ( ! is_array( $stickies ) )
return false;
if ( in_array( $post_id, $stickies ) )
return true;
return false;
}