« SplDoublyLinkedList::offsetUnset SplDoublyLinkedList::prev » PHP Manual SplDoublyLinkedList Pops a node from the end of the doubly linked list SplDoublyLinkedList::pop (PHP 5 >= 5.3.0, PHP 7) SplDoublyLinkedList::pop — Pops a node from the end of the doubly linked list 说明 public SplDoublyLinkedList::pop ( void ) : mixed 参数 此函数没有参数。 返回值 The value of the popped node. 错误/异常 Throws RuntimeException when the data-structure is empty.