Skill Topic · Cinematic

PHP Update Arrays — Arrays Update Karna

Version: v2.0.0 | Modified: 2026-03-25 Arrays banana aur access karna to seekh liya, ab aata hai…

Overview

PHP Update Arrays — Arrays Update Karna — Quick Facts

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Method: Syntax

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Direct: $arr[0] = "new value"

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Key: $arr["name"] = "Ravi"

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Multiple: array_replace()

Topic 1

Update Overview

📚 PHP me array values update karne ke kai tareeqe hain. Kuch tareeqe original array modify…

Topic 2

Direct Value Update

💡 Sabse simple aur seedha tareeqa hai direct assignment. Aap array ka index ya key likh ke…

Topic 3

Conditional Update

🎯 Real-world me aap blindly values update nahi karte — pehle check karte ho ke update karna…

Topic 4

array_replace() — Bulk Replace

⭐ Jab aapko ek array ki values ko doosri array ki values se override karna ho to…

Topic 5

array_map() — Transform Values

🔑 array_map() ek powerful function hai jo array ki har value par ek function chalata hai…

Topic 6

array_walk() — In-Place Modify

✨ array_walk() bhi array_map() jaisa hai, lekin ek important fark hai — ye original array…

Topic 7

Spread Operator `...` (PHP 7.4+)

🌟 PHP 7.4 se spread operator (...) arrays ke saath bhi kaam karta hai. Ye basically ek…

Topic 8

Nested Array Update

🚀 Real-world data aksar nested hota hai — users ke records jisme har user ke paas naam,…

Topic 9

Methods Comparison

📚 Neeche ek comparison table hai jo clearly dikhata hai ke kaunsa method original array…

Topic 10

Summary

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Direct assign: $arr[0] = "value"…

🔑

array_replace() — bulk default…

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array_map() — har element pe…

🎯

array_walk() — har element pe…

Comparison

Methods Comparison

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$arr[0] = "new": —

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array_replace(): New array

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array_map(): New array

Quick Quiz

Quiz — Question 1

PHP Update Arrays — Arrays Update Karna ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

PHP Update Arrays — Arrays Update Karna ka 'Direct' kya hai?

Complete! 🎉

PHP Update Arrays — Arrays Update Karna Complete!

Aliens School · HIEN · Cinematic Knowledge

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