Getting a blank page

affordit · February 10, 2008

Hello all

Using the script below

I enter no username it tells me username is required thats right.

Then I enter a known username and I get username already exists that right.

Then I enter a new username and submit again and I get a blank page ???

Anyone know what im doing wrong?

<?php
// MAKE SURE USERNAME IS ENTERED
$username=$_POST['username']; 
if (empty($username))
{
echo"<a href='add_advertiser.php'>Username is required</a>";
exit(); // stop exec here  
}
// IF USERNAME IS ENTERED VERIFY IT IS NOT ALREADY IN THE DB
$username=$_POST['username']; 
if (!empty($username)) 
{ 
include("sharons_dbinfo.inc.php");
mysql_connect(mysql,$name,$password);
mysql_select_db($database) or die( "Unable to database"); 

$query = "Select username from  login Where username = '$username'";
$result=mysql_query($query) or die (mysql_error());
if (mysql_num_rows($result)>0)
print "That Username is already in use";
exit();
}
// INSURE ALL OTHER FIELDS ARE ENTERED

$address=$_POST['address']; 
if (empty($address)) 
{
echo"<a href='add_advertiser.php'>Address is required</a>"; 
exit(); // stop exec here 
} 

$city=$_POST['city']; 
if (empty($city)) 
{ 
echo"<a href='add_advertiser.php'>City is required.</a>"; 
exit(); // stop exec here 
} 

$state=$_POST['state']; 
if (empty($state)) 
{ 
echo"<a href='add_advertiser.php'>All fields are required EXCEPT company.</a>"; 
exit(); // stop exec here 
} 

$zip=$_POST['zip']; 
if (empty($zip)) 
{ 
echo"<a href='add_advertiser.php'>All fields are required EXCEPT company.</a>"; 
exit(); // stop exec here 
}

$phone=$_POST['phone']; 
if (empty($phone)) 
{ 
echo"<a href='add_advertiser.php'>All fields are required EXCEPT company.</a>"; 
exit(); // stop exec here 
} 

$email=$_POST['email']; 
if (empty($email)) 
{ 
echo"<a href='add_advertiser.php'>All fields are required EXCEPT company.</a>"; 
exit(); // stop exec here 
} 
// EVERYTHING FROM HERE DOWN WORKS FINE

Thanks

rcorlew · February 10, 2008

You need to show the code that displays the information on the page, we need to see how you are printing your results.

nethnet · February 10, 2008

Show us the rest of the code.

affordit · February 10, 2008

Im not displaying anything i am sending an email and inserting into 2 tables everything worked well until I added the section at the top that checks to see if the username already exists.

Here is the whole page that the values come from

<?php
session_start(); // start up your PHP session!
include("client_info3.php"); 
include("top_mid_nav.inc"); 
print"
<html><body>
<br><br>";

if( isset($username) ){
print "<h3>You are already registered.</h3>
To change your username or password go <a href='change_details.php?username=$username&psword=$psword'>Here</a>";
	print "<br><b>See how it works $username, if you log out the registration page will be visible.<br><br>Also if you are logged out you can not get to the Ad Products page</b>";
}
else{
print "
<center><font size='+2'>Registration</font></center><br>
<form action=submit_registration.php method='POST'>
<table align='center'>
<tr>
<td width='125'><img src='b_tipp.png' alt='If you do not have a business you can leave this field blank'>Company Name:</td><td><input type=text name=company size=30 maxlength=100></td>
</tr>
<tr>
<td><img src='b_tipp.png' alt='This will be your username and will be cAsE SeNsItIvE'>Your Name:</td><td><input type=text name=username size=30 maxlength=100></td>
</tr>
<tr>
<td><img src='16x16spacer.gif'>Address:</td><td><input type=text name=address size=30 maxlength=100></td>
</tr>
<tr>
<td><img src='16x16spacer.gif'>City:</td><td><input type=text name=city size=30 maxlength=100></td>
</tr>
<tr>
<td><img src='16x16spacer.gif'>State:</td><td><input type=text name=state size=2 maxlength=2></td>
</tr>
<tr>
<td><img src='16x16spacer.gif'>Zip:</td><td><input type=text name=zip size=5 maxlength=100></td>
</tr>
<tr>
<td><img src='16x16spacer.gif'>Phone:</td><td><input type=text name=phone size=30 maxlength=100></td>
</tr>
<tr>
<td><img src='b_tipp.png' alt='You must enter a valid email address so your new password can be emailed to you'>Email:</td><td><input type=text name=email size=30 maxlength=100></td>
</tr>
<tr>
<td><img src='b_tipp.png' alt='Write a question only you know the answer to. It will be used if you lose your password.'>Verification Question:</td><td><input type=text name=lost_password size=30 maxlength=100></td>
</tr>
<tr>
<td><img src='b_tipp.png' alt='Write your answer to the above question.'>Verification Answer:</td><td><input type=text name=lost_password_answer size=30 maxlength=100></td>
</tr>
<tr>
<td align='center' colspan='2'><br><input type=submit name='Submit' value='Register Now'></td>
</tr>
</table>
</form>
</body>
</html>";
}
?>

And here is the page that processes the values

// MAKE SURE USERNAME IS ENTERED
$username=$_POST['username']; 
if (empty($username))
{
echo"<a href='add_advertiser.php'>Username is required</a>";
exit(); // stop exec here  
}
// IF USERNAME IS ENTERED VERIFY IT IS NOT ALREADY IN THE DB
$username=$_POST['username']; 
if (!empty($username)) 
{ 
include("sharons_dbinfo.inc.php");
mysql_connect(mysql,$name,$password);
mysql_select_db($database) or die( "Unable to database"); 

$query = "Select username from  login Where username = '$username'";
$result=mysql_query($query) or die (mysql_error());
if (mysql_num_rows($result)>0)
print "That Username is already in use";
exit();
}
// INSURE ALL OTHER FIELDS ARE ENTERED

$address=$_POST['address']; 
if (empty($address)) 
{
echo"<a href='add_advertiser.php'>Address is required</a>"; 
exit(); // stop exec here 
} 

$city=$_POST['city']; 
if (empty($city)) 
{ 
echo"<a href='add_advertiser.php'>City is required.</a>"; 
exit(); // stop exec here 
} 

$state=$_POST['state']; 
if (empty($state)) 
{ 
echo"<a href='add_advertiser.php'>All fields are required EXCEPT company.</a>"; 
exit(); // stop exec here 
} 

$zip=$_POST['zip']; 
if (empty($zip)) 
{ 
echo"<a href='add_advertiser.php'>All fields are required EXCEPT company.</a>"; 
exit(); // stop exec here 
}

$phone=$_POST['phone']; 
if (empty($phone)) 
{ 
echo"<a href='add_advertiser.php'>All fields are required EXCEPT company.</a>"; 
exit(); // stop exec here 
} 

$email=$_POST['email']; 
if (empty($email)) 
{ 
echo"<a href='add_advertiser.php'>All fields are required EXCEPT company.</a>"; 
exit(); // stop exec here 
} 

// From here it sends mail and inserts to 2 tables

nethnet · February 10, 2008

If you aren't outputting anything with the script, then you will get a blank page... Is the mail being sent/the information being put into the database??

affordit · February 10, 2008

I enter no username it tells me username is required thats right.

Then I enter a known username and I get username already exists that right.

Then I enter a new username and submit again with no address and I get a blank page it should be telling me that the address is required when I remove all of that part of the page that I posted and hit submit with nothing entered in any of the fields except email address it inserts a blank record and sens the mail.

rcorlew · February 10, 2008

Try something like this then to check if variables are empty:

<?php

if(!empty($var1) && !empty($var2) && !empty($var3)) {

//run code here

}

else { 
echo "Please check that are fields are filled out properly<br>
<input type='text' name='var1' value='$value1'><br>
<input type='text' name='var2' value='$var2'><br>";
}


?>

affordit · February 10, 2008

I got it I had change this

// MAKE SURE USERNAME IS ENTERED
$username=$_POST['username']; 
if (empty($username))
{
echo"<a href='add_advertiser.php'>Username is required</a>";
exit(); // stop exec here  
}
// IF USERNAME IS ENTERED VERIFY IT IS NOT ALREADY IN THE DB
$username=$_POST['username']; 
if (!empty($username)) 
{ 
include("sharons_dbinfo.inc.php");
mysql_connect(mysql,$name,$password);
mysql_select_db($database) or die( "Unable to database"); 

$query = "Select username from  login Where username = '$username'";
$result=mysql_query($query) or die (mysql_error());
if (mysql_num_rows($result)>0)
print "That Username is already in use";
exit();

To this

// MAKE SURE USERNAME IS ENTERED
$username=$_POST['username']; 
if (empty($username))
{
echo"<a href='add_advertiser.php'>Username is required</a>";
exit(); // stop exec here  
}
// IF USERNAME IS ENTERED VERIFY IT IS NOT ALREADY IN THE DB
$username=$_POST['username']; 
if (!empty($username)) 
{ 
include("sharons_dbinfo.inc.php");
mysql_connect(mysql,$name,$password);
mysql_select_db($database) or die( "Unable to database"); 

$query = "Select username from  login Where username = '$username'";
$result=mysql_query($query) or die (mysql_error());
if (mysql_num_rows($result)>0){
print "That Username is already in use";
exit();
}
   }

Thank Guys

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Getting a blank page

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