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

Remove duplicate values from an array.

 array_unique($array)

 $array = array(4, "4", "3", 4, 3, "3");
 $result = array_unique($array);
 print_r($result);

 /*
   Array
   (
      [0] => 4
      [2] => 3
   )
  */