multi page form validation

[martincrumlish]

Hi,

I have a survey which is spread over 5 pages. Each page has a form with a next button (which actually submits the form) Each form recieves the values of the ones before from hidden form fields.

I am having some trouble validating this. I have set the page up as follows:

if(!$submit1 == "submit1" || $submit1 == "false"){
include("survey1.php");
}

if($submit1 == "submit1"){
include("survey2.php");
}

if($submit2 == "submit2"){
include("survey3.php");
}

if($submit3 == "submit3"){
include("survey4.php");
}

if($submit4 == "submit4"){
include("survey5.php");
}

I need the validation so that if a field is missing PHO echo's out some text beside the form field. I have done this with the following code:

if($submit2){
	if(!$Q1){
		$q1error = "true";
		$error1 = 1;
	}
	if($Q1){
		$error1 = 0;
	}

if(!$Q2){
	$q2error = "true";
	$error2 = 1;
}
if($Q2){
	$error2 = 0;
}

if(!$Q3){
	$q3error = "true";
	$error3 = 1;
}
if($Q3){
	$error3 = 0;
}
$error = $error1 + $error2 + $error3;
if($error = 0)
{
	$submit1 == "dontdislay";
	$submit2 == "submit2";
}
else{
	$submit1 == "submit1";
	$submit2 == "dontdisplay";
}

}

This sets the values so that if there are errors they are caught in the page and the form doesnt go to the next page. However, the problem I am having is when the use rhas actually completed the 3 form fields - this would mean $error = 0. However, despite this the form wont submit.

Anyone got any ideas?

Maybe there is a better way to deal with this? I want to avoid using javascript if possible.

Thanks,
Martin

[morphy_6deex]

u have written
if($error = 0)
instead of
if($error == 0)

i suppose...

to avoid these not reported errors use if statement in this way:

if(0 == $error)

so if u forget and write

if( 0 = $error)

u have a reported error...

next

what r these lines?

$submit1 == "dontdislay";
$submit2 == "submit2";

[martincrumlish]

Thanks for your help, wasnt sure if I should have = or ==

The 2 lines you asked about are if error is 0 then set $submit1 to "dontdisplay" and set $submit2 to "submit2"

Then, in the if statements if $submit1 isnt equal to "submit1" then it wont display the include for survey2.php. if $submit2 == "submit2" then that means the error checking has passed and it moves on and displays the include for the next page, survey3.php

[morphy_6deex]

u should use == in conditions and = in assignements 😉

have a nice php