AÇ: wp-includes/author-template.php
BUL:
    /** @todo Move select to get_authors(). */
    $authors = $wpdb->get_results("SELECT ID, user_nicename from $wpdb->users " . ($exclude_admin ? "WHERE user_login <> 'admin' " : '') . "ORDER BY display_name");

    $author_count = array();
    foreach ((array) $wpdb->get_results("SELECT DISTINCT post_author, COUNT(ID) AS count FROM $wpdb->posts WHERE post_type = 'post' AND " . get_private_posts_cap_sql( 'post' ) . " GROUP BY post_author") as $row) {
        $author_count[$row->post_author] = $row->count;
    }
BUNUNLA DEĞİŞTİR:
    /** @todo Move select to get_authors(). */
    //$authors = $wpdb->get_results("SELECT ID, user_nicename from $wpdb->users " . ($exclude_admin ? "WHERE user_login <> 'admin' " : '') . "ORDER BY display_name");

    $author_count = array();
    foreach ((array) $wpdb->get_results("SELECT DISTINCT post_author, COUNT(ID) AS count FROM $wpdb->posts WHERE post_type = 'post' AND " . get_private_posts_cap_sql( 'post' ) . " GROUP BY post_author ORDER BY COUNT(ID) DESC") as $row) {
        $author_count[$row->post_author] = $row->count;
        // Post sayısına göre sıralama R10.net Niphell
        $authors = $wpdb->get_results("SELECT ID, user_nicename from $wpdb->users " . ($exclude_admin ? "WHERE user_login <> 'admin' " : '') . "");

    }
KAYDET ve KAPAT
SONUÇ: