SplDoublyLinkedList::valid
SplStack::__construct
SPL
PHP Manual

# The SplStack class

## Introduction

The SplStack class provides the main functionalities of a stack implemented using a doubly linked list.

## Class synopsis

SplStack
class SplStack extends SplDoublyLinkedList implements Iterator , ArrayAccess , Countable {
/* Methods */
__construct ( void )
void setIteratorMode ( int `$mode` )
/* Inherited methods */
mixed SplDoublyLinkedList::bottom ( void )
int SplDoublyLinkedList::count ( void )
mixed SplDoublyLinkedList::current ( void )
int SplDoublyLinkedList::getIteratorMode ( void )
bool SplDoublyLinkedList::isEmpty ( void )
mixed SplDoublyLinkedList::key ( void )
void SplDoublyLinkedList::next ( void )
bool SplDoublyLinkedList::offsetExists ( mixed `$index` )
mixed SplDoublyLinkedList::offsetGet ( mixed `$index` )
void SplDoublyLinkedList::offsetSet ( mixed `$index` , mixed `$newval` )
void SplDoublyLinkedList::offsetUnset ( mixed `$index` )
mixed SplDoublyLinkedList::pop ( void )
void SplDoublyLinkedList::push ( mixed `$value` )
void SplDoublyLinkedList::rewind ( void )
void SplDoublyLinkedList::setIteratorMode ( int `$mode` )
mixed SplDoublyLinkedList::shift ( void )
mixed SplDoublyLinkedList::top ( void )
void SplDoublyLinkedList::unshift ( mixed `$value` )
bool SplDoublyLinkedList::valid ( void )
}

## Table of Contents

- SplStack::__construct — Constructs a new stack implemented using a doubly linked list
- SplStack::setIteratorMode — Sets the mode of iteration

SplDoublyLinkedList::valid
SplStack::__construct
SPL
PHP Manual