PHP CloudCreativity\Utils\Collection Collection::first примеры использования

Пример #1

Файл: CollectionTest.php Проект: cloudcreativity/utils-collection

 public function testFirst()
 {
     $collection = new Collection();
     $this->assertNull($collection->first());
     $collection->replace(['a', 'b']);
     $this->assertSame('a', $collection->first());
 }