I am working on a basic **blog application** in Codeigniter 3.1.8 and Bootstrap 4. The `posts` table has a `slug` column that I intend to use at making SEO friendly URLs.

Because every individual post's slug will be a part of it's URL, the `slug` column is, of course, *unique*. I use CI's `url_title()` method to *make the slug out of the post title*:

```
$slug = url_title($this->input->post('title'), 'dash', TRUE);

```

Given the above described situation, it is obvious that a problem appears when 2 posts have the exact same title ("Who loves a butterfly?"): 

```
Duplicate entry 'who-loves-a-butterfly' for key 'slug'

```

I need a way to make the duplicate title post generate a "numbered" slug: "who-loves-a-butterfly-1" and so on, if necessary.

The Codeigniter 3 documentation does not provide such a way for its `url_title()` method? Is there a way I could modify it or an alternative to it?