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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['paged'] <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !get_query_var('ignore_sticky_posts') ) {$stickies1 = get_posts( array( 'post__in' => $sticky_posts) );
foreach ($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['cat'], $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['tag'], $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('Y', strtotime($sticky_post1->post_date))!=$wp_query->query['m']) {
// 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('Ym', strtotime($sticky_post1->post_date))!=$wp_query->query['m']) {
// 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('Ymd', strtotime($sticky_post1->post_date))!=$wp_query->query['m']) {
// 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['author']) {
// 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[$offset] );
}
}
// If any posts have been excluded specifically, Ignore those that are sticky.
if (!empty($sticky_posts) && !empty($wp_query->query_vars['post__not_in'] ) )
$sticky_posts = array_diff($sticky_posts, $wp_query->query_vars['post__not_in']);
// Fetch sticky posts that weren't in the query results
if (!empty($sticky_posts) ) {
$stickies = get_posts( array(
'post__in' => $sticky_posts,
'post_type' => $wp_query->query_vars['post_type'],
'post_status' => 'publish',
'nopaging' => true
) );
foreach ($stickies as $sticky_post) {array_splice( $posts, $sticky_offset, 0, array( $sticky_post) );
$sticky_offset++;
}
}
}
return $posts;
}
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