The array_unique Function

The array_unique function performs removal of duplicate elements (duplicates) from an array.

Syntax

phparray_unique(array $array, int $flags = SORT_STRING): array

Example

Let's remove duplicates from the array:

php<?php
  $arr = [1, 1, 1, 2, 2, 3];
  var_dump(array_unique($arr));
?>

Code execution result:

php[1, 2, 3]

See Also