Question

id | tags
1  | photo article
2  | blog article
3  | blog
4  | logs
5  | photo article
6  | comment article

How to get all the words from tags un repeat?

I want print out photo article blog logs comment.

Answer 1

$array = array();
foreach ($results as $row) {
  foreach (explode(' ', $row['tags']) as $word) {
    $array[$word] = $word;
  }
}