SplDoublyLinkedList::valid
SplStack::__construct
Datastructures
PHP Manual

# The SplStack class

(PHP 5 >= 5.3.0)

## Introduction

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

## Class synopsis

SplStack extends SplDoublyLinkedList implements Iterator , ArrayAccess , Countable {
/* Methods */
__construct ( void )
void setIteratorMode ( int `$mode` )
/* Inherited methods */
public void SplDoublyLinkedList::add ( mixed `$index` , mixed `$newval` )
public mixed SplDoublyLinkedList::bottom ( void )
public int SplDoublyLinkedList::count ( void )
public mixed SplDoublyLinkedList::current ( void )
public int SplDoublyLinkedList::getIteratorMode ( void )
public bool SplDoublyLinkedList::isEmpty ( void )
public mixed SplDoublyLinkedList::key ( void )
public void SplDoublyLinkedList::next ( void )
public bool SplDoublyLinkedList::offsetExists ( mixed `$index` )
public mixed SplDoublyLinkedList::offsetGet ( mixed `$index` )
public void SplDoublyLinkedList::offsetSet ( mixed `$index` , mixed `$newval` )
public void SplDoublyLinkedList::offsetUnset ( mixed `$index` )
public mixed SplDoublyLinkedList::pop ( void )
public void SplDoublyLinkedList::prev ( void )
public void SplDoublyLinkedList::push ( mixed `$value` )
public void SplDoublyLinkedList::rewind ( void )
public string SplDoublyLinkedList::serialize ( void )
public void SplDoublyLinkedList::setIteratorMode ( int `$mode` )
public mixed SplDoublyLinkedList::shift ( void )
public mixed SplDoublyLinkedList::top ( void )
public void SplDoublyLinkedList::unserialize ( string `$serialized` )
public void SplDoublyLinkedList::unshift ( mixed `$value` )
public 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
Datastructures
PHP Manual