PHP SPL standard library data structure stack (Splstack) Introduction

This article mainly introduces the PHP SPL standard database data structure stack (splstack) Introduction, stack (stack) is a special linear table, because it can only at one end of the linear table to insert or delete elements (that is, into the stack and the stack), the need for friends can refer to the

Stack is a special kind of linear table because it can only insert or delete elements at one end of the linear table (that is, the feed stack and the stack).

Splstack is to inherit the double linked list (spldoublylinkedlist) implementation stack.

The class summary is as follows:

The simple use is as follows:

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