basic function, weird behaviour

[HoTDaWg]

Take a look at this:

<?php
error_reporting(E_ALL);
$ip = $_SERVER['REMOTE_ADDR'];
$date = date('l, F J, Y @ g:i:s A e');
$sitename = "*****";
$slogan = "*****";
$subscribetext= "*****";
$emailform = '<form method="POST" name="addsubscriber" action="*****/index.php?mode=emailsubmit"><br>'.$subscribetext.'<br>Email:<input name="emailaddress" maxlength="80" value=""><br><input type="submit" value="Submit!"></form>';
$conn = mysql_connect("localhost","*****","*****");
mysql_select_db("*****");
$adminemail = '*****';

define('inStereo',true);
$mode=$_GET["mode"];
if(!empty($mode)){
switch($mode){
case 'emailsubmit':
$email = $_POST['emailaddress'];
$emailerror = array();
	if(empty($email)){
	$emailerror['email'] .= '<li><font color="#FF0000">The Email field was was not complete</font></li>';
	}
	if(strlen($email) > 80){
	$emailerror['email'] .= '<li><font color="#FF0000">The Email field exeeds the limit of 80 characters</font></li>';
	}
	if(preg_match('|[^-_.@a-z\d]|i', $email)){
	$emailerror['email'] .= '<li><font color="#FF0000">The Email Field contains invalid characters. Alphanumeric, @,-,and _ characters are the only characters accepted due to security reasons.</font></li>';
	}
	$emailexists = "SELECT email FROM subscribers WHERE email='$email'";
	$selectemailexists = mysql_query($emailexists,$conn);
		if(mysql_num_rows($selectemailexists) > 0){
		$emailerror['email'] .='<li><font color="#FF0000">This Email is already registered as a subscriber.</font></li>';
		}
	if(count($emailerror) < 1){
	$usercode = rand(0,1000000);
	$status = 'blank';
	$insertemail = "INSERT INTO subscribers(`id`,`email`,`usercode`,`date`,`ip`,`status`) VALUES('','$email','$usercode','$date','$ip','$status')";
	$insertemailnow = mysql_query($insertemail,$conn);
		if($insertemailnow){
		$message="Thanks for registering on our website! Open a new window and go to http://*****/index.php?email=$email&mode=verify&usercode=$usercode to complete your registration. Thanks.";
      		$to = &$email;
      		$subject = 'Validate This Email';
      		$headers = 'From: *****' . "\r\n" .
      		'Reply-To: *****' . "\r\n" .
//This statement helps out with spam filters
      		'X-Mailer: PHP/' . phpversion();
//Send the email
      		$mailnow = mail($to, $subject, $message, $headers,"[email protected]");
			if($mailnow){
			$contentecho .='Thank you for registering. A verification email has been dispatched to your email address. Please check your spam/junk mail folders if the email does not appear in your inbox. If the email does not appear at all within 24 hours contact the administrator. Thanks again.';
			}else{
			$contentecho .='An error occurred with your submission. Please try again.';
			}
		}else{
		$contentecho .='An error occurred with your submission. Please try again.';
		}
	}else{
		foreach ($emailerror as $error){
		$echoemailerrors .= ''.$error.'';
		} 
	$content = array();
	$content['text'] .= 'The following errors were found in your submission:<br>'.$echoemailerrors.'<br>';
	$content['text'] .= ''.$emailform.'';
		foreach ($content as $text){
		$contentecho .= ''.$text.'';
		}
	}
break;
//BEGIN VERIFY
case 'verify':
$usercode = $_GET['usercode'];
$email = $_GET['email'];
$validateerror = array();
	if(empty($usercode) || empty($email)){
	$validateerror['empty'] .= '<li><font color="#FF0000">This page was accessed incorrectly.</font></li>';
	}
$validatetrue = "SELECT email,usercode FROM subscribtions WHERE email='$email' usercode='$usercode' status='good'";
$validatetruenow = mysql_query($validatetrue,$conn);
	if(mysql_num_rows($validatetruenow) > 0){
	$validateerror['already_exists'] .= '<li><font color="#FF0000">This email is already subscribed and validated.</font></li>';
	}
	if(count($validateerror) > 0){
	$status = "good";
	$updateemail = "UPDATE subscribers SET status='$status' WHERE usercode='$usercode'";
	$updatemailnow = mysql_query($insertemail,$conn);
		if($updateemailnow){
		$action = "New Email added to subscribers list";
		$insertaction = "INSERT INTO actions(`id`,`action`,`date`,`ip`) VALUES('','$action','$date','$ip')";
		$actionsubmit = mysql_query($insertaction,$conn);
				if($actionsubmit){
				$contentecho .='Your email has been successfully added to our subscribers list. Expect a newsletter soon! Thank you for your interest.';
				}else{
				$contentecho .='Your email has been successfully added to our subscribers list. Expect a newsletter soon! Thank you for your interest.';
				}
		}else{
		$contentecho .='<li><font color="#FF0000">An error occurred with your verification. Please try again.</font></li>';
		}
	}else{
		foreach($validateerror as $errorkind){
		$contentecho .= ''.$errorkind.'';
		}
	}
break;
default:
$contentecho =''.$emailform.'';
break;
}
}else{
$contentecho =''.$emailform.'';
}
?>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Welcome!</title>

</head>
<body bgcolor="#999999" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
<center>
<table width="750" height="0" cellpadding="0" cellspacing="0" border="0" style="Border: 1px solid #000000;">
<tr>
<td bgcolor="#666666" valign="top"><font color="#FFFFFF" face="arial"><b>Under construction</font></b></td>
</tr>
<tr>
<td bgcolor="#cccccc" valign="top">
<table width="98%" border="0">
        <font face="arial" size="3">
        Our website is under construction, bare with us as we create it.<b>Thanks for your consideration.</b><br>
<b>Check back soon!</b><br><br>
<i>The <?php echo $sitename; ?> Team</i></font>
</table>
</td>
</tr>
<tr>
<td bgcolor="#0099FF" valign="top"><font color="#FFFFFF" size="3" face="arial"><B>Sign up for email updates today!</B></font></td>
</tr>
<tr>
<td bgcolor="#CCCCCC" valign="top">
<center>
<table width="98%" border="0">
<?php echo $contentecho; ?>
</table>
</center>
</td>
</tr>
</table>
</center>
<h4 align="center">Our website is graciously hosted by <a href="http://guildwutang.com/">X ER Game Hosting</a></h4>
</body>
</html>

 

its weird, i immedietely get the following error:

Notice: Undefined index: mode in /home/xdesigns/public_html/index.php on line 14

 

thanks for any help possible,

 

HoTDaWg

[emehrkay]

is mode set in the url?

[HoTDaWg]

:| no, your right...its not. how can i make so that it is?

 

thanks

 

HoTDaWg

 

[emehrkay]

when you link someone to that page do

 

page.php?mode=emailsubmit

 

if this page is linked from a from, replace $_GET with $_POST and make srue you set the mode val on the form