Skill Topic · Cinematic

PHP Generators — `yield` Se Memory-Efficient Data Produce Karna

Version: v2.0.0 | Modified: 2026-03-25 Lakhs of items process karo bina memory full kiye — yield se…

Topic 1

Generator Kya Hai?

📊 Socho tumhare paas ek factory hai jo 10 lakh toys banati hai. Normal tareeqa yeh hoga ke…

Topic 2

Basic Generator

💾 Sabse pehle samajhte hain ke ek basic generator kaise likhte hain aur kaise use karte…

Topic 3

yield with Keys

🗄️ Normal arrays me keys hoti hain — 0, 1, 2 ya custom strings. Generator me bhi tum keys…

Topic 4

yield from — Generator Delegation

📈 Kabhi kabhi tumhare paas multiple generators hote hain ya arrays hote hain jinko tum ek…

Topic 5

Generator::send() — Two-Way Communication

🔍 Ab tak humne dekha ke generator bahar values bhejta hai yield ke through. Lekin kya hoga…

Topic 6

Generator::return() — Return Value

📉 Generator ke andar return statement bhi use ho sakta hai. Yeh generator ki final return…

Topic 7

Practical: Pagination Generator

🧮 Real-world applications me ek bohot common scenario hai — API se paginated data fetch…

Topic 8

Practical: Infinite Sequence

🌐 Generators ka ek aur powerful use case hai infinite sequences. Normal array me tum…

Topic 9

Memory Comparison

💡

Array: ~36 MB memory usage

🔑

Generator: ~1 KB memory usage

⚡

Array: ~360 MB (maybe crash!)

🎯

Generator: ~1 KB (still same!)

Topic 10

Summary

💡

yield — function ko generator…

🔑

Generator function Generator…

⚡

Memory almost zero — ek-ek value…

🎯

yield $value — value produce karo

Quick Quiz

Quiz — Question 1

PHP Generators — yield Se Memory-Efficient Data Produce Karna ka sabse sahi definition kya hai?

Complete! 🎉

PHP Generators — `yield` Se Memory-Efficient Data Produce Karna Complete!

Aliens School · HIEN · Cinematic Knowledge

✅