管理画面の文字置き換え

http://ja.forums.wordpress.org/topic/10592

add_filter('gettext', 'change_post_to_article');
add_filter('gettext_with_context', 'change_post_to_article');
add_filter('ngettext', 'change_post_to_article');
add_filter('ngettext_with_context', 'change_post_to_article');

function change_post_to_article($translated) {
    $translated = str_ireplace(
        'ダッシュボード',
        'スペシャルダッシュボード',
        $translated
    );
    return $translated;
}