[SOLVED] creating an error message

[runnerjp]

hey guys... ok in my registor script i would like to display an error message if the data is not right

 

so for example my 3 points are

 

<?<?php
session_start(); //allows session
include "config.php";
echo "<center>";
//checks if there trying to veriy there account
if(isset($_GET['verify'])) {
//gets the code and makes it safe
$code = addslashes($_GET['code']);
//gets the code from the database
$getcode=mysql_query("SELECT * FROM `verification` WHERE `code` = '$code'");
//counts the number of rows
$getcode = mysql_num_rows($getcode);
//if the ammount of rows is 0 the code does not exist
if($getcode == 0) { 
echo "Invalid verification code!"; 
} 
//or if the code does exist we will activiate there account
else{
//get the data from the database
$getcode=mysql_query("SELECT * FROM `verification` WHERE `code` = '$code'");
//fetchs the data from the db
$dat = mysql_fetch_array($getcode);
//sets the users user level to 2 which means they can now use there account
$update = mysql_query("UPDATE `members` SET `userlevel` = '2' WHERE `username` = '".$dat['username']."'") or die(mysql_error());
//deletes the code as there is no use of it now
$delete = mysql_query("DELETE FROM `verification` WHERE code = '$code'");
//says thanks and your account is ready for use
$msg='Thank you, Your account has been verified.';
}
}else
//if we have posted the register for we will register this user
if(isset($_GET['register'])) {
//check to see if any fields were left blank
if((!$_POST[username]) || (!$_POST[password]) || (!$_POST[cpassword]) || (!$_POST[email])) {
error='A field was left blank please go back and try again.';
}else{
//posts all the data from the register form
$username = $_POST[username]; 
$password = $_POST[password]; 
$cpassword = $_POST[cpassword]; 
$email = $_POST[email];
//check see if the 2 passwords are the same
if($password == $cpassword)
{
//encrypts the password 8 times
$password = sha1(md5(md5(sha1(md5(sha1(sha1(md5($password)))))))); 
$cname = mysql_query("SELECT `username` FROM `members` WHERE `username` = '$username'"); 
$cname= mysql_num_rows($cname); 
//checks to see if the username or email allready exist
if($cname>=1) { 
error= 'The username is already in use'; 
}else{
//gets rid of bad stuff from there username and email
$username = addslashes(htmlspecialchars($username)); 
$email = addslashes(htmlspecialchars($email));

if($semail == "1") { // $email set as 1 means email activation is active
//adds them to the db
$adduser = mysql_query("INSERT INTO `members` (`username`, `password`, `email`) VALUES('$username','$password','$email')");
//posible letters for the verification code
$alphanum  = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
//shuffles the letters around to create a 16 long code
$code = substr(str_shuffle($alphanum), 0, 16); 
//adds there code along with there user name to the db
$addcode = mysql_query("INSERT INTO `verification` (`username`, `code`) VALUES('$username','$code')");
//don't edit this, this is the link for there activication
$link = "http://$host$self?verify&code=$code";
//sends the email to the person
mail("$email", "Member-Ship Validation", "Thank you for registering on $sitename.
Please copy the below link into you address bar,

$link", "From: Site Verification");
//message sent now lets tell them to check there email
echo "You are now registered,<br><br>Please check your email to activate your account.";
}else{ //no need for email activation
$adduser = mysql_query("INSERT INTO `members` (`username`, `password`, `email`, `userlevel`) VALUES('$username','$password','$email','2')");
message= 'You are now registered,<br><br>You can now loggin to your account';
}
}
}else{
error='Your password and conformation password do not match!';

 

with them apearing like so

 

<?php 
if (isset ( $error))
        echo '<p class="error">' . $error . '</p>' . "\n";
if (isset ($msg))
       echo '<p class="msg">' . $msg . '</p>' . "\n";
else
   //if we have a mesage we don't need this form again.
if (!isset($error) && !isset($msg))
      echo 'Please fill in all fields correctly!';
?>[code]

so to recap they are

if((!$_POST[username]) || (!$_POST[password]) || (!$_POST[cpassword]) || (!$_POST[email])) {
error='A field was left blank please go back and try again.';

if($cname>=1) { 
error= 'The username is already in use'; 

$adduser = mysql_query("INSERT INTO `members` (`username`, `password`, `email`, `userlevel`) VALUES('$username','$password','$email','2')");
message= 'You are now registered,<br><br>You can now loggin to your account';
}
}
}else{
error='Your password and conformation password do not match!';

 

[/code]

[BlueSkyIS]

looks like you got it figured out.

[runnerjp]

woops sorry i shud tell you my error message... i get

Parse error: syntax error, unexpected '=' in /home/runningp/public_html/register.php on line 35

[BlueSkyIS]

hm, which line is 35?

[runnerjp]

error='A field was left blank please go back and try again.';

[947740]

What exactly are you doing there?  Is that supposed to be a variable?  If it is, it should be $error.