PHP Manual
Datastructures
The SplStack class

The SplStack class

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

Introduction

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

Class synopsis

class SplStack extends SplDoublyLinkedList {

/* Methods */

public __construct()

public setIteratorMode(int $mode): void

/* Inherited methods */

public SplDoublyLinkedList::add(int $index, mixed $value): void

public SplDoublyLinkedList::bottom(): mixed

public SplDoublyLinkedList::count(): int

public SplDoublyLinkedList::current(): mixed

public SplDoublyLinkedList::getIteratorMode(): int

public SplDoublyLinkedList::isEmpty(): bool

public SplDoublyLinkedList::key(): int

public SplDoublyLinkedList::next(): void

public SplDoublyLinkedList::offsetExists(int $index): bool

public SplDoublyLinkedList::offsetGet(int $index): mixed

public SplDoublyLinkedList::offsetSet(?int $index, mixed $value): void

public SplDoublyLinkedList::offsetUnset(int $index): void

public SplDoublyLinkedList::pop(): mixed

public SplDoublyLinkedList::prev(): void

public SplDoublyLinkedList::push(mixed $value): void

public SplDoublyLinkedList::rewind(): void

public SplDoublyLinkedList::serialize(): string

public SplDoublyLinkedList::setIteratorMode(int $mode): int

public SplDoublyLinkedList::shift(): mixed

public SplDoublyLinkedList::top(): mixed

public SplDoublyLinkedList::unserialize(string $data): void

public SplDoublyLinkedList::unshift(mixed $value): void

public SplDoublyLinkedList::valid(): bool

}

Table of Contents

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

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