The Stack class

(PECL ds >= 1.0.0)

Introduction

A Stack is a “last in, first out” or “LIFO” collection that only allows access to the value at the top of the structure and iterates in that order, destructively.

Uses a Ds\Vector internally.

Class synopsis

class Ds\Stack implements Ds\Collection, ArrayAccess {
/* Methods */
public allocate(int $capacity): void
public capacity(): int
public clear(): void
public copy(): Ds\Stack
public isEmpty(): bool
public peek(): mixed
public pop(): mixed
public push(mixed ...$values): void
public toArray(): array
}

Changelog

Version Description
PECL ds 1.3.0 The class now implements ArrayAccess.

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