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Skill Topic · Cinematic

PHP Modify Strings — Strings Badalna

Version: v2.0.0 | Modified: 2026-03-25

Overview
🌟

PHP Modify Strings — Strings Badalna — Quick Facts

📌

Function: Kya Karta Hai

🎯

`trim()`: Dono taraf se whitespace hatata hai

`ltrim()`: Left (shuru) se whitespace hatata…

🔑

`rtrim()`: Right (end) se whitespace hatata…

Topic 1
📚

String Modify Karna Kya Hai?

📚 PHP me strings immutable nahi hain — aap unhe modify kar sakte ho. PHP kai built-in…
Topic 2
💡 📊 🔬

Upper Case — strtoupper()

💡 strtoupper() poori string ko capital letters me convert karta hai: `php <?php $text =…
Topic 3
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Lower Case — strtolower()

🎯 strtolower() poori string ko small letters me convert karta hai. Yeh email addresses ya…
Topic 4

First Letter Capital — ucfirst()

ucfirst() sirf pehle character ko capital banata hai, baaki sab waisa hi rehta hai: `php…
Topic 5
📥 📥 🧠 🔬 💡 🎯

Har Word Ka Pehla Letter Capital — ucwords()

🔑 ucwords() har word ke pehle letter ko capital banata hai: `php <?php $text = "hello world…
Topic 6
📊 🔬

First Letter Small — lcfirst()

lcfirst() sirf pehle character ko small banata hai: `php <?php $text = "Hello World";…
Topic 7
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Replace — str_replace()

🌟 str_replace() string me kisi text ko doosre text se replace karta hai. Yeh case-sensitive…
Topic 8
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Reverse — strrev()

🚀 strrev() string ko ulta kar deta hai. Yeh palindrome check karne me bhi kaam aata hai:…
Topic 9
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Trim — Spaces Hatana

📚 trim() string ke dono taraf se extra whitespace (spaces, tabs, newlines) hata deta hai.…
Topic 10
💡 📊 🔬

Repeat — str_repeat()

💡 str_repeat() ek string ko specified number of times repeat karta hai: `php <?php echo…
Topic 11
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Pad — str_pad()

🎯 str_pad() string ki length fix karta hai — chhoti string ho to padding add karta hai. Yeh…
Topic 12

Modify Functions Quick Reference

| Function | Kya Karta Hai | Example | |----------|---------------|---------| |…
Topic 13
📥 📥 🧠 🔬 💡 🎯

Summary

🔑 | Point | Detail | |-------|--------| | Case change | strtoupper(), strtolower(),…
Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

PHP Modify Strings — Strings Badalna ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

PHP Modify Strings — Strings Badalna ka 'trim()' kya hai?

Complete! 🎉
COMPLETE

PHP Modify Strings — Strings Badalna Complete!

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PHP Modify Strings — Strings Badalna Complete

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