variable scope

Anon

I am passing 2 variables from a form to a action page, I execute some code on the action page and based on the results of that code I call a header function. My goal is to pass the original 2 variables from the form through the url with the header function. The problem is that the form variables lose their values when passed with the header function. Does anyone know how I would retain the value of the form variables in this particular case?

(I've tried setting the 2 variables as global and static... neither has had any effect)

Anon

I don't know how to do that, so in my scripts I use the echo() function and it works fine for me. I just take care to use the addslashes() function if I want to display any long html code where there are ", ', ...

Felipe Lopes

Anon

I guess I'm not to sure what you mean there... what does using echo() do for you? Do you write the variables with echo() and then set them in new variables?

Anon

When you say you're trying to pass the values throught the url with the header function do you mean something like
header("location: page.php?var=somevalue");
Because I dont see why that wouldn't work?

However, if it doesn't work try sessions.

form.php
session_start();
session_register("var1");
session_register("var2");
// do the form here

action.php
// do your checking and
// header stuff here

final_page.php
session_start();
print($var1);
print($var2);

Hope I understood correctly
Best of luck

Nick

Anon

Let's say I have a form that asks you your name and your e-mail....Than, my script sends theses datas to a database and I wanna display something like this on the next page:
Your name:
Your e-mail:
Then I use the echo() function:

echo "Your name: $name\n Your e-mail: $email";

But I wanna display my whole page: links, pictures, styles...my whole html code...Then I use the echo() function again but putting back slashes before doble quotes, quotes....that are common in html scripts and can't be read by php because it'll cause parse error.
I hope it helps now ;-)

Felipe Lopes

Anon

You solved my problem. What I was doing was storing my url in a variable,

$redirect = 'http://host.com/page.php?var=text'

and then calling header(location: $redirect);

I didn't realize (duh) that I could just write the url string directly into the header function.

Thanks!

Anon

I see what you mean now....What I said won't help you indeed...
Sorry :-(

knickerlas

Glad to help but what you were doing looks fine to me, can you identify why your way didn't work?
Damned if can!

Nick

Anon

I'm really not sure, I can only guess that by setting the variables in the url in another variable ($redirect='http://....'😉 that the scope of the variables is terminated and they get reset. Pure theory on my part. Here's another problem I have run into:

So I pass this url: http://localhost/page.php?email=$email&password=$password

page.php has a function that takes these variables and inserts then into a database. Now I know those variables are getting passed properly, cuz I can print them to the page, and I have them declared as global within the function, but the insert statement isn't running.... any ideas?

kparker

Show us a (stripped-down) version of your code.

kparker

Again, go ahead and show the code from page.php.

Anon

Here is the code from the first page which gets $email and $password from a form. I run email validation, based on that I redirect to the appropriate location, passing email and password thru the url.

function is_email_valid($email) {
if(eregi("^{[a-z0-9.-]+@+[a-z0-9.-]+.+[a-z]{2,3}$",} $email)) return TRUE;
else return FALSE;
}

if (is_email_valid($email)){
header("Location: http://localhost/page.php?email=$email&password=$password");
}else{
header("Location: http://localhost/index.php?id=login&status=failed");
}

here's the code on page.php, I call this function thru a case statement later in the script:

function newUser($email, $password){

global $email;
global $password;

localConnect();

MySQL_query("insert into table_1(field1, field2) values ('$email', '$password');");

}

If you need any more info, let me know, thanks

Anon

Lets see the code, KIrks your guy for this but I'm in for the ride!

Nick

Anon

please note: I made a mistake in the code from page.php, this line,

function newUser($email, $password){

is not how I actually had it, I just tried that and forgot to revert, the way it was, was this:

function newUser(){

knickerlas

I reckon it's that ; at the end of the mysql_query but thats a educated guess!

Nick

Anon

it's not that, cuz before I was passing $email and $password directly to this function from the form and the insert worked, good guess though. I deleted it for good measure.

kparker

Where do the values for $email and $password actually get set? And what happens if you echo them there?

Anon

May be that you have the semi colon before the quotation mark -- values ('$email', '$password');");

should be values ('$email', '$password')"😉;

I would do it like this

$query = "insert into table_1 (field1, field2) values($email, $password)";
MySQL_query($query);