How to delete duplicates in an array?

Question

How can I delete duplicates in array?

For example if I had the following array:

$array = array(\'1\',\'1\',\'2\',\'3\');

I want it

Answer 1

Try this code,

1){

  foreach($key as $key2 => $data2){
    unset($array[$key2]);
      }
    }
   }
   $array=array_values($array);
   print_r($array);


?>

Output

    Array ( [0] => 2 [1] => 3 )