Defined variable lost on form submission to another php file?

Asked Apr 04 '18 at 15:17

Active Apr 04 '18 at 15:22

Viewed 35 times

On my homepage .. index.php .. right up the top I define a constant to use in other php files, I'm trying to ensure that index has been loaded and the php files aren't accessed directly. I use ..

define('SOME_CONSTANT','something'); - index.php

There's a sign up form on index.php that sends the data to /php/signuphandle.php .. In signuphandle.php I have a check

if(!defined('CONSTANT_NAME')){ echo('nope'); }

The issue is it always hits the !defined block and echos "nope" .. I can't figure out why? I've looked up the documentation and lots of previous posts on this form to no avail. Am I just doing it wrong? Thanks for any help you guys can give.

asked Apr 04 '18 at 15:17

Sunrise

2

A constant, or any other variable, is only defined in the script where it is defined, it does not carry over through form submissions to different files where the constant or variable is not defined. – Qirel Apr 04 '18 at 15:19
2

Outside of sessions, PHP has no persistence of variables across requests. – Patrick Q Apr 04 '18 at 15:20
Agreed with the above. However, this stands to be too broad also. I voted to close as "not working", as an "FYI" ;-) – Funk Forty Niner Apr 04 '18 at 15:21
Probably want something like https://stackoverflow.com/questions/6287903/how-to-properly-add-csrf-token-using-php/31683058 – AbraCadaver Apr 04 '18 at 15:29
Thanks guys ..... – Sunrise Apr 04 '18 at 15:30
http://shiflett.org/articles/cross-site-request-forgeries – AbraCadaver Apr 04 '18 at 15:30

Defined variable lost on form submission to another php file?

0 Answers0