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Skill Topic · Cinematic

PHP References — `&` Se Variables Share Karna

Version: v2.0.0 | Modified: 2026-03-25 PHP me normally jab tum ek variable ki value doosre variable…

Overview
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PHP References — `&` Se Variables Share Karna — Quick Facts

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Rule: Explanation

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`$b = &$a`: $b ab $a ka alias hai, dono same…

`unset($b)`: Sirf alias toota, data safe rehta…

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`function f(&$param)`: Function ko original variable…

Topic 1
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Pass by Reference — Function Parameters

📚 Functions me sabse common reference use case hai parameters. Normally jab tum function ko…
Topic 2
📥 ⚙️ 🔬 💡

Return by Reference

💡 Functions sirf parameters me hi nahi, return me bhi references de sakte hain. function…
Topic 3
📥 ⚙️ 🔬 💡

Unsetting References — Alias Todna

🎯 unset() function references ke saath kaise kaam karta hai yeh samajhna zaroori hai — yeh…
Topic 4

foreach with Reference — In-Place Modification

foreach loop me & use karke tum array elements ko directly modify kar sakte ho bina index…
Topic 5

Objects — Already Reference-Like Behavior

🔑 PHP 5 se objects ka behavior "pass by handle" hai — jab tum ek object variable doosre me…
Topic 6
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Summary

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$b = &$a se $b aur $a dono ek hi…

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function f(&$param) se function ko…

function &f() se function…

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unset($ref) sirf alias break karta…

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

PHP References — & Se Variables Share Karna ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

PHP References — & Se Variables Share Karna ka '$b = &$a' kya hai?

Complete! 🎉
COMPLETE

PHP References — `&` Se Variables Share Karna Complete!

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PHP References — `&` Se Variables Share Karna Complete

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