Why it is showing error for constant in php

Question

I have used true in define element , that's means my name becomes insensitive , so even if I use same name as I assign , it should show it on screen but why it is giving error then
https://code.sololearn.com/wlpoVR7T9o93/?ref=app

Answer 1

Prateek Kumar Agarwal Remove third argument then it will work fine.

<?php
define("MSG", "Hi SoloLearners!");
echo MSG;
?>

Your answer is here

https://externals.io/message/100535

Answer 2

It's not error. It's a message which tells that this feature deprecated in Latest version of PHP.

Answer 3

Yeah msg , but as I used true,it become insensitive ,that's means I can write it in capital or small both, and it will echo the same ? or it work other way

Answer 4

🅰🅹 - Pʀᴏᴅᴜᴄᴛ Mᴀɴᴀɢᴇʀ thanks