function yg_oto_etiket_ekle($post_id, $post) {
$tags[] = $post->post_title . " etiket1";
$tags[] = $post->post_title . " etiket2";
$tags[] = $post->post_title . " etiket3";
$tags[] = $post->post_title . " etiket4";
$tags[] = $post->post_title . " etiket5";
wp_set_post_tags($post_id, $tags, true);
}
add_action('save_post', 'yg_oto_etiket_ekle', 10, 2);