PHP · question
Question 8 of 78
What are superglobal variables in PHP?
← All PHP questions
Re-explain
Superglobals are built-in variables that are always accessible from any scope without using the global keyword. The main superglobals are:
- $_GET: Contains GET request data
- $_POST: Contains POST request data
- $_SESSION: Contains session variables
- $_COOKIE: Contains cookie values
- $_SERVER: Contains server and environment information
- $_FILES: Contains information about uploaded files
- $_ENV: Contains environment variables
- $_REQUEST: Contains combined GET, POST, and COOKIE data
- $GLOBALS: Contains all global variables
Rewriting in plainer words…
This answer doesn't lend itself to a diagram - it reads best . No credits were charged.
Why there's no diagram: “”
The diagram below the answer is the concept .
Jump to it ↓
What should the new diagram focus on?
How well did you know this?
AI:
Saved in this browser - sign in to keep your review list.
How should your speech become text?
Listening… your words appear above as you speak - tap Stop when you're done.
Recording · cr - tap Stop & transcribe when you're done.
Transcribing with AI…
Voice:
Keep going - a few more words and AI can grade it.
Interview lens
Likely follow-ups, what you can say, and the weak answers to avoid.
Pro · $10/mo
67 of 78 PHP answers are in Pro.
Full answers, code samples, and AI explanations that go simpler or deeper. Cancel anytime.
-
Full answers + code
-
AI explanations, simpler or deeper
-
1,000 AI credits / month
-
Cancel anytime
