描述:
判断当前页面类型是否为文章页
用法:
<?php is_single($post); ?>
参数:
$post
(mixed) (可选) 文章ID, 文章标题,文章别名等
默认值: None
示例:
is_single();
// When any single Post page is being displayed.
is_single('17');
// When Post 17 (ID) is being displayed.
is_single(17);
// When Post 17 (ID) is being displayed. Integer parameter also works
源文件:
/**
* Is the query for an existing single post?
*
* Works for any post type, except attachments and pages
*
* If the $post parameter is specified, this function will additionally
* check if the query is for one of the Posts specified.
*
* @see is_page()
* @see is_singular()
*
* @since 1.5.0
*
* @global WP_Query $wp_query
*
* @param mixed $post Post ID, title, slug, or array of such.
* @return bool
*/
function is_single( $post = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_single( $post );
}