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PHP · Interview Question

What is a WeakMap in PHP 8 used for?

Detailed answer, explanation and code for this interview question. Ideal for PHP interview preparation, coding rounds and viva questions.

Difficulty: MediumType: MCQ

Question Overview

Subject

PHP

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Asked in Companies

Accenture

TCS Wipro

Problem Statement

What is a WeakMap in PHP 8 used for?

Explanation

A WeakMap stores object references as keys without preventing them from being garbage collected, improving memory efficiency in complex systems.

Code Solution

SolutionRead Only

$map = new WeakMap();

Practice Sets

This question appears in the following practice sets:

PHP 8+ Features

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What is a WeakMap in PHP 8 used for? - PHP | Preplance Interview Prep | Preplance

Master Interviews
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What is a WeakMap in PHP 8 used for?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

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Master Interviews Anywhere, Anytime

What is a WeakMap in PHP 8 used for?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

What does PHP stand for?

Which symbol is used to start a variable in PHP?

How do you write a single-line comment in PHP?

Which statement is used to output text in PHP?

Which of the following is NOT a valid PHP data type?

More from PHP

Master Interviews
Anywhere, Anytime