public function fast_array_unique()
{
$array = array(10, 100, 1231, 10, 600, 20, 40, 1231, 20, 6, 1);
$this->assertEquals(array(10, 100, 1231, 600, 20, 40, 6, 1), util::integerarray_remove_duplicates($array));
$array = array('hello', 'world', 'this', 'is', 'a', 'test', 'hello', 'is', 'a', 'word');
$this->assertEquals(array('hello', 'world', 'this', 'is', 'a', 'test', 'word'), util::integerarray_remove_duplicates($array));
}
