Ouzo\Utilities\Iterator\FluentIterator::fromArray PHP Метод

    public static function fromArray($array)
    {
        return new self(Iterators::forArray($array));
    }

 /**
  * @test
  */
 public function shouldReturnFirstElementInIterator()
 {
     //given
     $iterator = FluentIterator::fromArray(array('a', 'b'));
     // when
     $first = $iterator->first();
     // then
     $this->assertEquals('a', $first);
 }