问按用户角色在多个站点中获取帖子

EN

global $switched;
switch_to_blog(2); //switched to your site id based on which site post need.

$administrators = get_users( array( 'role' => 'administrator' ) ); // you can add more role on same query add with "," separated.
$administrators_ids = array();

$original_blog_id = get_current_blog_id(); 


foreach( $administrators as $admin ):
    $administrators_ids[] = $admin->ID;
    $news = new WP_Query( array( 'author' => implode( ',', $administrators_ids ), 'post_type' => 'news', 'paged' => get_query_var('paged') ) );
endforeach;
    if ( $news->have_posts() ) : 
        while ( $news->have_posts() ) : $news->the_post();

            //add code here

        endwhile; 

    endif;
wp_reset_postdata();
restore_current_blog();

 //admin posts from main site:
    switch_to_blog(get_main_site_id());
 $admin_posts =   get_posts_by_user_roles(array('role'=>'administrator'));
    restore_current_blog();

    //editor posts from current blog
 $editor_posts =   get_posts_by_user_roles();
 echo "";
 print_r($admin_posts);
 echo "
";
 echo "
";
 echo "
";
 print_r($editor_posts);
 exit;

function get_posts_by_user_roles($args = array()) {
     $args = wp_parse_args( $args,  array( 'role' => 'editor', 'fields'=>"ID" ) );
       $users = get_users($args);
       if(empty($users))
       {
           echo "No users found";//print for debug purpose only
           return FALSE;
       }
       return get_posts( array('author' => implode(',', $users), 'post_type' => 'post' ) );

}