The unwrap method is the logical opposite of the wrap method, in that if the provided value is already a collection, the collection's underlying items will be returned. If the...

The prepend method will add a a given $value to the beginning of the collection. You can also supply an optional $key that will be used as the key for the new $value when...

The push method is the logical opposite of the prepend method and will push an item onto the end of the collection. The push method returns a reference to the original...

The put method is used to add a new item to the collection with a given $key and $value. The put method modifies the original Collection instance and returns a reference to...

The union method will add the $items value to a copy of the existing collection. If there are key collisions between the collection instance and the provided $items, the...