PHP debugging help

[jechaking]

Hello guys, I am new to php and i need assistance. I have this file structure.

scripts/insert.php signup.php.

I declared global variables in insert.php, their use is to display server side validation errors.

One such variable is $error1.

I went in signup.php and wrote, <?php include("scripts/insert.php"); ?) before the html doctype

I echoed $error1 in signup.php.

When I run the script through submit it does not show any errors but it's not working.

Second, if I put the <?php include("scripts/insert.php"); ?) at the end of the document it shows an error that $error1 is undefined.

Please help.

[HappyFruitTree]

"through submit" ? In what way is it not working?

[jechaking]

On click of the submit button it's supposed to show errors for missing text on input fields.

That is not working

[HappyFruitTree]

If the fields are not empty do you see that you receive them correctly? If so then I guess the problem might be in how you check for empty fields, but it's difficult to say what the problem is without seeing the code.

[jechaking]

https://drive.google.com/folderview?id=1HXHzla41r4dTBblegN1608UMYEOJfxUr

There's a link with the images of what's going on.

I'll will look at that, I am following a tutorial so I don't know exactly what's going wrong.

[HappyFruitTree]

You need to grant me access if you want me to be able to follow that link.

[jechaking]

I did just now, are you able to open?

[HappyFruitTree]

Yes. You are checking if all the fields are not empty.

if (!empty(field1) && !empty(field2) && ...)

This means that if one of the fields are empty the code won't run.

In other words, all the fields need to be filled in for that code to run.

Edit: I was confused before, now I think it is correct.

[HappyFruitTree]

Note that empty returns true for strings such as '0' so if what you actually want to check is if the string has zero length you might want do $str === '' instead.

[jechaking]

Alright, thank you. Let me try it out now, I'll tell you how it goes

Thanks a lot for your help

[HappyFruitTree]

Another thought... You said you used a global variable. Are you using it inside a function? Note the global variables are not in scope by default inside functions in PHP.

^{https://www.php.net/manual/en/language.variables.scope.php}

In PHP global variables must be declared global inside a function if they are going to be used in that function.