Question

Possible Duplicate:
remove duplicate from string in PHP

Have a string like:

$str = "1 - 1 - 2 - 3 - 1 - 4 - 3 - 1 - 2 - 5 - 6 - 4";

and i need to get

$str = "1 - 2 - 3 - 4 - 5 - 6";

any help.. 🙁

Answer 1

I’ve just had a quick look around and with the code from

• remove duplicate from string in PHP

  $str = implode(' - ',array_unique(explode(' - ', $string )));
  

This would work for you.

You can see a demo of the example.