Skill Topic · Cinematic

PHP Arrow Functions — Short Closures (PHP 7.4+)

Version: v2.0.0 | Modified: 2026-03-25 PHP 7.4 me ek bahut hi useful feature aaya — arrow…

Overview

PHP Arrow Functions — Short Closures (PHP 7.4+) — Quick Facts

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Feature: Arrow fn() =>

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PHP version: 7.4+

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Keyword: fn

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Body: Single expression only

Topic 1

Arrow Function Kya Hai? — Anonymous Function Se Comparison

📚 Sabse pehle samjho ke arrow function anonymous function ka replacement nahi hai — yeh…

Topic 2

Basic Syntax

💡 Arrow function ka syntax hai: fn keyword, phir parameters parentheses me, phir => (fat…

Topic 3

Auto Variable Capture — `use` Ki Zaroorat Nahi

🎯 Arrow functions ka sabse bada advantage hai automatic variable capture. Anonymous…

Topic 4

Array Functions Ke Saath — Arrow Functions Ki Asli Taqat

⭐ Arrow functions ka sabse natural aur common use case hai PHP ke built-in array functions…

Topic 5

Nested Arrow Functions — Function Factories

🔑 Arrow functions ke andar arrow functions likh sakte ho — yeh nested arrow functions hain.…

Topic 6

Arrow Functions with Type Hints

✨ Arrow functions me full type hint support hai — parameter types aur return type dono…

Topic 7

Arrow vs Anonymous — Kab Kya Use Karein?

🌟 Yeh ek bahut common sawaal hai — kab arrow function use karo aur kab anonymous function?…

Topic 8

Practical Examples — Real-World Shortcuts

🚀 Arrow functions real projects me bahut jagah kaam aate hain. Validation rules define…

Topic 9

Summary

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fn($x) => expression — arrow…

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Sirf single expression allowed hai…

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Implicit return — jo expression…

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Outer variables auto-capture hoti…

Comparison

Arrow vs Anonymous — Kab Kya Use Karein?

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PHP version: 7.4+

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Keyword: fn

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Body: Single expression only

Quick Quiz

Quiz — Question 1

PHP Arrow Functions — Short Closures (PHP 7.4+) ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

PHP Arrow Functions — Short Closures (PHP 7.4+) ka 'PHP version' kya hai?

Complete! 🎉

PHP Arrow Functions — Short Closures (PHP 7.4+) Complete!

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