Kohana 3 :: blog article unique slug

Post_Model

public function save()
{
 $this->slug = $this->_unique_slug(url::title(empty($this->slug) ? $this->title : $this->slug));
 return parent::save();
}

private function _unique_slug($str)
{
 static $i;
 
 $original = $str;
 
 while ($post = ORM::factory('post', $str) AND $post->loaded AND $post->id !== $this->id)
 {
  $str = $original.$i;
  $i++;
 }
 
 return $str;
}

http://forum.kohanaframework.org/discussion/comment/17756/#Comment_17756

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