Skill Topic · Cinematic

PHP Superglobals — Har Jagah Accessible Variables

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

Overview

PHP Superglobals — Har Jagah Accessible Variables — Quick Facts

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Superglobal: Kya Store Karta Hai

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`$GLOBALS`: Script ke saare global variables…

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`$_SERVER`: Server aur current request ki…

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`$_GET`: URL query string se aaya hua data

Topic 1

Superglobals Kya Hain?

📚 PHP me kuch special built-in arrays hote hain jinhe superglobals kehte hain. Yeh arrays…

Topic 2

Superglobals vs Normal Variables

💡 Ek normal variable function ke andar directly accessible nahi hota — aapko global keyword…

Topic 3

$GLOBALS

🎯 $GLOBALS ek associative array hai jisme script ke saare global variables stored hote…

Topic 4

$_SERVER

⭐ $_SERVER me server aur current HTTP request ke baare me information hoti hai. Yeh PHP ke…

Topic 5

$_GET

🔑 Jab user browser me URL ke saath query parameters bhejta hai (jaise…

Topic 6

$_POST

✨ Jab HTML form POST method se submit hoti hai, to form ka data $_POST array me aata hai.…

Topic 7

$_REQUEST

🌟 $_REQUEST ek combined superglobal hai jo $_GET, $_POST aur $_COOKIE teenon ka data ek…

Topic 8

$_COOKIE

🚀 Cookies chhote data pieces hain jo browser me (user ke computer par) store hote hain.…

Topic 9

$_SESSION

📚 Sessions server-side data storage ka mechanism hai. Jab user website par aata hai, server…

Topic 10

$_FILES

💡 Jab user HTML form se file upload karta hai, to us file ki information $_FILES…

Topic 11

$_ENV

🎯 $_ENV me operating system ke environment variables hote hain. Yeh server ke configuration…

Topic 12

Security — Superglobals Ke Saath Hamesha Cautious Raho

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XSS prevention: htmlspecialchars()…

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SQL Injection prevention: Prepared…

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Input validation: filter_input()…

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File uploads: File type, size aur…

Topic 13

Summary

🔑 | Superglobal | Kya Karta Hai | Common Use Case |…

Comparison

Superglobals vs Normal Variables

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Function me direct access: Nahi (global…

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Scope: Local ya Global

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PHP khud fill karta hai?: Nahi

Quick Quiz

Quiz — Question 1

PHP Superglobals — Har Jagah Accessible Variables ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

PHP Superglobals — Har Jagah Accessible Variables ka '$GLOBALS' kya hai?

Complete! 🎉

PHP Superglobals — Har Jagah Accessible Variables Complete!

Aliens School · HIEN · Cinematic Knowledge

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