public function testGetFirst() { $source = ['first' => 'first value', 'last' => 'last value']; $result = \Cloudstash\Helper\Arr::getFirst($source); $this->assertEquals($result, 'first value', 'Wrong value for first element'); $result = \Cloudstash\Helper\Arr::getFirst([], 1000); $this->assertEquals($result, 1000, 'Wrong value for default value, if array is empty'); }