SplDoublyLinkedList 类
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
简介
SplDoublyLinkedList 类提供双向链表的主要功能。
类摘要
/* 常量 */
/* 方法 */
}预定义常量
迭代方向
SplDoublyLinkedList::IT_MODE_LIFO-
列表将以先进后出的顺序迭代,就像栈一样。
SplDoublyLinkedList::IT_MODE_FIFO-
列表将以先进先出的顺序迭代,就像队列一样。
迭代行为
SplDoublyLinkedList::IT_MODE_DELETE-
迭代将移除已迭代的元素。
SplDoublyLinkedList::IT_MODE_KEEP-
迭代将不会移除已迭代的元素。
目录
- SplDoublyLinkedList::add — Add/insert a new value at the specified index
- SplDoublyLinkedList::bottom — Peeks at the node from the beginning of the doubly linked list
- SplDoublyLinkedList::count — Counts the number of elements in the doubly linked list
- SplDoublyLinkedList::current — Return current array entry
- SplDoublyLinkedList::getIteratorMode — Returns the mode of iteration
- SplDoublyLinkedList::isEmpty — Checks whether the doubly linked list is empty
- SplDoublyLinkedList::key — Return current node index
- SplDoublyLinkedList::next — Move to next entry
- SplDoublyLinkedList::offsetExists — Returns whether the requested $index exists
- SplDoublyLinkedList::offsetGet — Returns the value at the specified $index
- SplDoublyLinkedList::offsetSet — Sets the value at the specified $index to $value
- SplDoublyLinkedList::offsetUnset — Unsets the value at the specified $index
- SplDoublyLinkedList::pop — Pops a node from the end of the doubly linked list
- SplDoublyLinkedList::prev — Move to previous entry
- SplDoublyLinkedList::push — Pushes an element at the end of the doubly linked list
- SplDoublyLinkedList::rewind — Rewind iterator back to the start
- SplDoublyLinkedList::serialize — Serializes the storage
- SplDoublyLinkedList::setIteratorMode — Sets the mode of iteration
- SplDoublyLinkedList::shift — Shifts a node from the beginning of the doubly linked list
- SplDoublyLinkedList::top — Peeks at the node from the end of the doubly linked list
- SplDoublyLinkedList::unserialize — Unserializes the storage
- SplDoublyLinkedList::unshift — Prepends the doubly linked list with an element
- SplDoublyLinkedList::valid — Check whether the doubly linked list contains more nodes