WordPress 카테고리, 태그 등 아카이브 페이지를 상단에 고정하는 방법

add_filter('the_posts', 'putStickyOnTop' ); 
function putStickyOnTop( $posts ) { 
if(is_home() || !is_main_query() || !is_archive()) 
return $posts; 
global $wp_query; 
$sticky_posts = get_option('sticky_posts'); 
if ( $wp_query->query_vars[&#39;paged&#39;] <= 1 && is_array($sticky_posts) && !emptyempty($sticky_posts) && !get_query_var(&#39;ignore_sticky_posts&#39;) ) { $stickies1 = get_posts( array( &#39;post__in&#39; => $sticky_posts ) ); 
foreach ( $stickies1 as $sticky_post1 ) { 
// 判断当前是否分类页 
if($wp_query->is_category == 1 && !has_category($wp_query->query_vars[&#39;cat&#39;], $sticky_post1->ID)) { 
// 去除不属于本分类的文章 
$offset1 = array_search($sticky_post1->ID, $sticky_posts); 
unset( $sticky_posts[$offset1] ); 
} 
if($wp_query->is_tag == 1 && has_tag($wp_query->query_vars[&#39;tag&#39;], $sticky_post1->ID)) { 
// 去除不属于本标签的文章 
$offset1 = array_search($sticky_post1->ID, $sticky_posts); 
unset( $sticky_posts[$offset1] ); 
} 
if($wp_query->is_year == 1 && date_i18n(&#39;Y&#39;, strtotime($sticky_post1->post_date))!=$wp_query->query[&#39;m&#39;]) { 
// 去除不属于本年份的文章 
$offset1 = array_search($sticky_post1->ID, $sticky_posts); 
unset( $sticky_posts[$offset1] ); 
} 
if($wp_query->is_month == 1 && date_i18n(&#39;Ym&#39;, strtotime($sticky_post1->post_date))!=$wp_query->query[&#39;m&#39;]) { 
// 去除不属于本月份的文章 
$offset1 = array_search($sticky_post1->ID, $sticky_posts); 
unset( $sticky_posts[$offset1] ); 
} 
if($wp_query->is_day == 1 && date_i18n(&#39;Ymd&#39;, strtotime($sticky_post1->post_date))!=$wp_query->query[&#39;m&#39;]) { 
// 去除不属于本日期的文章 
$offset1 = array_search($sticky_post1->ID, $sticky_posts); 
unset( $sticky_posts[$offset1] ); 
} 
if($wp_query->is_author == 1 && $sticky_post1->post_author != $wp_query->query_vars[&#39;author&#39;]) { 
// 去除不属于本作者的文章 
$offset1 = array_search($sticky_post1->ID, $sticky_posts); 
unset( $sticky_posts[$offset1] ); 
} 
} 
$num_posts = count($posts); 
$sticky_offset = 0; 
// Loop over posts and relocate stickies to the front. 
for ( $i = 0; $i < $num_posts; $i++ ) { 
if ( in_array($posts[$i]->ID, $sticky_posts) ) { 
$sticky_post = $posts[$i]; 
// Remove sticky from current position 
array_splice($posts, $i, 1); 
// Move to front, after other stickies 
array_splice($posts, $sticky_offset, 0, array($sticky_post)); 
// Increment the sticky offset. The next sticky will be placed at this offset. 
$sticky_offset++; 
// Remove post from sticky posts array 
$offset = array_search($sticky_post->ID, $sticky_posts); 
unset( $sticky_posts[$offset] ); 
} 
} 
// If any posts have been excluded specifically, Ignore those that are sticky. 
if ( !emptyempty($sticky_posts) && !emptyempty($wp_query->query_vars[&#39;post__not_in&#39;] ) ) 
$sticky_posts = array_diff($sticky_posts, $wp_query->query_vars[&#39;post__not_in&#39;]); 
// Fetch sticky posts that weren&#39;t in the query results 
if ( !emptyempty($sticky_posts) ) { 
$stickies = get_posts( array( 
&#39;post__in&#39; => $sticky_posts, 
&#39;post_type&#39; => $wp_query->query_vars[&#39;post_type&#39;], 
&#39;post_status&#39; => &#39;publish&#39;, 
&#39;nopaging&#39; => true 
) ); 
foreach ( $stickies as $sticky_post ) { 
array_splice( $posts, $sticky_offset, 0, array( $sticky_post ) ); 
$sticky_offset++; 
} 
} 
} 
return $posts; 
}

if( 
//改成： 
// abc是分类名称 
if ( is_category( 'abc' ) ||

if( 
//改成： 
// abc是标签名称 
if ( is_tag( 'abc' ) ||

if( 
//改成： 
// abc是作者昵称 
if ( is_author( 'abc' ) ||

|| !is_main_query()

add_filter('post_class', 'addStickyClass' ,10,3 ); 
function addStickyClass( $classes, $class, $post_id ){ 
if( is_sticky() && is_category() && !isset( $classes['sticky'] ) ){ 
$classes[] = 'sticky'; 
} 
return $classes; 
}