Headers Already Sent By Error Grrrrr!

aquatradehub · October 13, 2012

Hi, I have this script, and it was working fine until I added

require("../mysql/connect.php")

I only done this to keep the database username and password separate from the script. Now I get this error

Warning: Cannot modify header information - headers already sent by (output started at /customers/4/0/d/zambiheadshop.com/httpd.www/mysql/connect.php:1) in /customers/4/0/d/zambiheadshop.com/httpd.www/registration/processRegister.php on line 111

It was all working fine when the database details were written into the script. It really is driving me mad lol

/* Check no duplicate usernames */

require("../mysql/connect.php");

$con = mysql_connect("$host", "$user", "$pass") or die(mysql_error());
$query = "SELECT COUNT(*) AS count FROM members WHERE username='$username'";
@mysql_select_db("$db") or die( "Unable to select database");
$results = mysql_query($query) or die ("Error reading from database");
$existingUsernames = mysql_fetch_array($results);

if ($existingUsernames['count'] > 0) {
    header('Location: usererror.php');
}
else {
    $con = mysql_connect("$host", "$user", "$pass") or die(mysql_error());
    $query1 = "SELECT COUNT(*) AS count FROM members WHERE email='$email'";
    @mysql_select_db('zambiheadshop_c') or die( "Unable to select database");
    $results1 = mysql_query($query1) or die ("Error reading from database");
    $existingEmails = mysql_fetch_array($results1);

    if ($existingEmails['count'] > 0) {
		    header('Location: emailerror.php');
    }
    else {
		    /* Write to MySQL database */
		    $sql="INSERT INTO members (username, hash, firstname, surname, email, address1, address2, town, county, postcode, birthday, birthmonth, birthyear, paypalemail, terms)
		    VALUES ('$_POST[username]','$hash','$_POST[firstname]','$_POST[surname]','$_POST[email]','$_POST[address1]','$_POST[address2]','$_POST[town]','$_POST[county]','$_POST[postcode]','$_POST[birthday]','$_POST[birthmonth]','$_POST[birthyear]','$_POST[paypalemail]','$_POST[terms]')";
		    if (!mysql_query($sql,$con))
		    {
				    die('Error: ' . mysql_error());
		    }

               /* Send validation email */

               //  recipients

// subject
$subject = 'AquaTradeHub.com Validation Email';

// message
$message = "
<p>Thank you for registering with AquaTradeHub.com</p>
<br>
<p>Please validate your account <a href='http://www.zambiheadshop.com/validate.php?email=$email'>Click here</a>";

// To send HTML mail, the Content-type header must be set
$headers  = 'MIME-Version: 1.0' . "\r\n";
$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";

// Additional headers
$headers .= 'From: AquaTradeHub.com <[email protected]>' . "\r\n";

// Mail it
mail($email, $subject, $message, $headers);


		    /* Redirect visitor to the thank you page */

		    header('Location: thanks.php');
		    exit();
    }}

Many Thanks

3raser · October 13, 2012

I'm not too sure if this could be the cause, but is there an accidental whitespace after/before your PHP tags in connect.php file that my be causing the header error?

aquatradehub · October 13, 2012

I just checked, and no white space.

3raser · October 13, 2012

Well it seems the error is within connect.php - Are you sure it's not returning anything that may cause the header error?

floridaflatlander · October 13, 2012

There is a pinned topic and addresses headers issues.

What line is 111. About where is it?

You can't send any html or even a white space before your redirect

PFMaBiSmAd · October 13, 2012

Please read the sticky post for that error - http://forums.phpfreaks.com/topic/1895-header-errors-read-here-before-posting-them/

For output on line 1 of your connect.php file, you either have that file saved with the BOM (Byte Order Mark) characters or you have some character(s) before the <?php tag in that file, or you have some php code on line 1 in that file that is producing output.

aquatradehub · October 13, 2012

The connect.php file is

<?php
$host = "host";
$user = "myuser";
$pass = "mypassword";
$db = "mydatabase";
?>

and that is it.

line 111 is

    header('Location: usererror.php');

but if the username check is passed and it moves on to the email check, then the error is on line 121 which is

		    header('Location: emailerror.php');

but if both checks are passed, the data is written to the database, the email is sent, and then the error is

		    header('Location: thanks.php');

but this all worked before I added the include file. Im so confused.

aquatradehub · October 13, 2012

I added ob_start() to the top of the script, and now it just comes up with

Parse error: syntax error, unexpected T_VARIABLE in /customers/4/0/d/zambiheadshop.com/httpd.www/registration/processRegister.php on line 5

The processRegister.php code does other stuff than what is posted above, and all worked fine until I added the ob_start(), so I dont think that was correct.

Any ideas? I did read the topic suggested, but cannot see how it helps

3raser · October 13, 2012

It would probably make it easier if you gave us the modified code. ;P

aquatradehub · October 13, 2012

This is the whole script:

<?php
/* Set e-mail recipient */
$myemail  = "[email protected]";
/* Check all form inputs using check_input function */
$username = check_input($_POST['username'], "Enter your username");
/* Show error message if Passwords do not match */
if ($_POST['password1']!= $_POST['password2'])
{
 show_error("Sorry your passwords did not match ");
}
$firstname  = check_input($_POST['firstname'], "Please tell us your name");
$surname = check_input($_POST['surname'], "Please tell us your surname");
$address1  = check_input($_POST['address1'], "Please enter your address");
$address2   = check_input($_POST['address2'], "Please enter your address");
$town = check_input($_POST['town'], "Please enter your town, village or city");
$county = check_input($_POST['county'], "Please enter your state or county");
$postcode = check_input($_POST['postcode'], "Please enter your postcode");
$birthday = check_input($_POST['birthday'], "Please select your birthday");
$birthmonth = check_input($_POST['birthmonth'], "Please select your birth month");
$birthyear = check_input($_POST['birthyear'], "Please select your birth year");
$terms = check_input($_POST['terms'], "Please accept the terms of this site");
/* Assign POSTS to variables */
$email = ($_POST['email']);
$emailconfirm = ($_POST['emailconfirm']);
$paypalemail = ($_POST['paypalemail']);
$paypalconfirm = ($_POST['paypalconfirm']);
/* Check email is valid */
if(!filter_var($email, FILTER_VALIDATE_EMAIL))
 {
 show_error("E-mail is not valid");
 }

 /* Check email confirm is valid */

 if(!filter_var($emailconfirm, FILTER_VALIDATE_EMAIL))
 {
 show_error("Confirmed E-mail is not valid");
 }

 /* Show error message if emails do not match */
if ($_POST['email']!= $_POST['emailconfirm'])
{
 show_error("Sorry your emails did not match ");
}
/* Check PayPal email is valid */

 if(!filter_var($paypalemail, FILTER_VALIDATE_EMAIL))
 {
 show_error("PayPal E-mail is not valid");
 }

 /* Check PayPal email confirm is valid */

 if(!filter_var($paypalconfirm, FILTER_VALIDATE_EMAIL))
 {
 show_error("PayPal Confirmed E-mail is not valid");
 }

 /* Show error message if PayPal emails do not match */
if ($_POST['paypalemail']!= $_POST['paypalconfirm'])
{
 show_error("Sorry your PayPal emails did not match ");
}

/* If URL is not valid set $website to empty */
if (!preg_match("/^(https?:\/\/+[\w\-]+\.[\w\-]+)/i", $website))
{
   $website = '';
}
/* Let's prepare the password encryption */
// Create a 256 bit (64 characters) long random salt
// Let's add 'something random' and the username
// to the salt as well for added security
$salt = hash('sha256', uniqid(mt_rand(), true) . 'something random' . strtolower($username));
// Prefix the password with the salt
$hash = $salt . $password1;
// Hash the salted password a bunch of times
for ( $i = 0; $i < 100000; $i ++ ) {
 $hash = hash('sha256', $hash);
}
// Prefix the hash with the salt so we can find it back later
$hash = $salt . $hash;
/* Check no duplicate usernames */
include("../mysql/connect.php");
$con = mysql_connect("$host", "$user", "$pass") or die(mysql_error());
$query = "SELECT COUNT(*) AS count FROM members WHERE username='$username'";
@mysql_select_db("$db") or die( "Unable to select database");
$results = mysql_query($query) or die ("Error reading from database");
$existingUsernames = mysql_fetch_array($results);
if ($existingUsernames['count'] > 0) {
    header('Location: usererror.php');
}
else {
 $con = mysql_connect("$host", "$user", "$pass") or die(mysql_error());
    $query1 = "SELECT COUNT(*) AS count FROM members WHERE email='$email'";
    @mysql_select_db("$db") or die( "Unable to select database");
    $results1 = mysql_query($query1) or die ("Error reading from database");
    $existingEmails = mysql_fetch_array($results1);
    if ($existingEmails['count'] > 0) {
		    header('Location: emailerror.php');
    }
    else {
		    /* Write to MySQL database */
		    $sql="INSERT INTO members (username, hash, firstname, surname, email, address1, address2, town, county, postcode, birthday, birthmonth, birthyear, paypalemail, terms)
		    VALUES ('$_POST[username]','$hash','$_POST[firstname]','$_POST[surname]','$_POST[email]','$_POST[address1]','$_POST[address2]','$_POST[town]','$_POST[county]','$_POST[postcode]','$_POST[birthday]','$_POST[birthmonth]','$_POST[birthyear]','$_POST[paypalemail]','$_POST[terms]')";
		    if (!mysql_query($sql,$con))
		    {
				    die('Error: ' . mysql_error());
		    }

   /* Send validation email */

   //  recipients
// subject
$subject = 'AquaTradeHub.com Validation Email';
// message
$message = "
<p>Thank you for registering with AquaTradeHub.com</p>
<br>
<p>Please validate your account <a href='http://www.zambiheadshop.com/validate.php?email=$email'>Click here</a>";
// To send HTML mail, the Content-type header must be set
$headers  = 'MIME-Version: 1.0' . "\r\n";
$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
// Additional headers
$headers .= 'From: AquaTradeHub.com <[email protected]>' . "\r\n";
// Mail it
mail($email, $subject, $message, $headers);

		    /* Redirect visitor to the thank you page */
		    header('Location: thanks.php');
		    exit();
    }}

/* Functions we used */
function check_input($data, $problem='')
{
   $data = trim($data);
   $data = stripslashes($data);
   $data = htmlspecialchars($data);
   if ($problem && strlen($data) == 0)
   {
    show_error($problem);
   }
   return $data;
}
function show_error($myError)
{
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
<meta http-equiv="Content-Type" content"text="" html;="" charset="UTF-8"">
<title>AquaTradeHub.com Low Low Prices</title>
<link href="/index_files/stdtheme.css" rel="stylesheet" type="text/css">
<meta name="description" content="Buy and sell your fish and aquatic equipment here at low low prices. Extensive information about all fish can be found here.">

</head>
<body>
<div id="wrapper" class="group">
<div id="header">
<h1><a href="/index.html" title="Return to home page"></a></h1>
</div>
<div id="leftSideBar">
<div id="mainNav">
<span>
<h6>Navigation</h6>
<a href="index.php" title="Home Page" class="index">Home</a><br>
<a href="register.php" title="register" class="register">Register</a><br>
<a href="forum.php" title="forum" class="forum">Forum</a><br>
<a href="wanted.php" title="wanted" class="wanted">Wanted</a><br>
<a href="contact.php" title="contact" class="contact">Contact</a><br>
</span>
</div>
<div id="mainNavBottomLeft">
<span>
<h6>Tropical Care Guides</h6>
<a href="/tropical/anabantids.php" title="Anabantids" class="anabantids">Anabantids</a><br>
<a href="/tropical/catfish.php" title="Catfish" class="catfish">Catfish</a><br>
<a href="/tropical/characins.php" title="Characins" class="characins">Characins</a><br>
<a href="/tropical/cichlids.php" title="Cichlids" class="cichlids">Cichlids</a><br>
<a href="/tropical/cypriniformes.php" title="Cypriniformes" class="cypriniformes">Cypriniformes</a><br><a href="/frogs.php" title="Frogs" class="frogs">Frogs</a><br>
<a href="/tropical/livebearers.php" title="Livebearers" class="livebearers">Livebearers</a><br>
<a href="/tropical/rainbowfish.php" title="Rainbow Fish" class="rainbowfish">Rainbowfish</a><br>
<a href="/tropical/miscellaneous.php" title="Miscellaneous" class="miscellaneous">Miscellaneous FW</a><br>
<a href="/tropical/brackish.php" title="Brackish" class="brackish">Brackish</a><br>
<a href="/tropical/shrimp.php" title="shrimp" class="shrimp">Shrimp</a><br>
<br>
</span>
</div>
<div id="mainNavLastBottomLeft">
<span>
<h6>Marine Care Guides</h6>
<a href="/marine/angelfishLarge.php" title="Angelfish Large" class="angelfishLarge">Angelfish Large</a><br>
<a href="/marine/angelfishDwarf.php" title="Angelfish Dwarf" class="angelfishDwarf">Angelfish Dwarf</a><br>
<a href="/marine/anthias.php" title="Anthias" class="anthias">Anthias</a><br>
<a href="/marine/bassAndGroupers.php" title="Bass and Groupers" class="bassAndGroupers">Bass and Groupers</a><br>
<a href="/marine/bassletsAndAssessors.php" title="Basslets & Assessors" class="bassletsAndAssessors">Basslets & Assessors</a><br>
<a href="/marine/batfish.php" title="Batfish" class="Batfish">Batfish</a><br>
<a href="/marine/blennies.php" title="Blennies" class="blennies">Blennies</a><br>
<a href="/marine/boxfishAndBlowfish.php" title="Boxfish And Blowfish" class="boxfishAndBlowfish">Boxfish And Blowfish</a><br>
<a href="/marine/butterflyfish.php" title="Butterfly Fish" class="butterflyFish">Butterflyfish</a><br>
<a href="/marine/cardinalfish.php" title="Cardinal Fish" class="cardinalFish">Cardinalfish</a><br>
<a href="/marine/chromis.php" title="Chromis" class="chromis">Chromis</a><br>
<a href="/marine/clownfish.php" title="Clownfish" class="clownfish">Clownfish</a><br>
<a href="/marine/damsels.php" title="Damsels" class="damsels">Damsels</a><br>
<a href="/marine/dartfish.php" title="Dartfish" class="dartfish">Dartfish</a><br>
<a href="/marine/dragonets.php" title="Dragonets" class="dragonets">Dragonets</a><br>
<a href="/marine/eels.php" title="Eels" class="Eels">Eels</a><br>
<a href="/marine/filefish.php" title="Filefish" class="filefish">Filefish</a><br>
<a href="/marine/foxface.php" title="Foxface" class="foxface">Foxface</a><br>
<a href="/marine/flatfish.php" title="Flatfish" class="flatfish">Flatfish</a><br>
<a href="/marine/frogfish.php" title="Frogfish" class="frogfish">Frogfish</a><br>
<a href="/marine/goatfish.php" title="Goatfish" class="goatfish">Goatfish</a><br>
<a href="/marine/gobies.php" title="Gobies" class="gobies">Gobies</a><br>
<a href="/marine/grunts.php" title="Grunts" class="grunts">Grunts</a><br>
<a href="/marine/hamlet.php" title="Hamlet" class="hamlet">Hamlet</a><br>
<a href="/marine/hawkfish.php" title="Hawkfish" class="hawkfish">Hawkfish</a><br>
<a href="/marine/hogfish.php" title="Hogfish" class="hogfish">Hogfish</a><br>
<a href="/marine/jacks.php" title="Jacks" class="jacks">Jacks</a><br>
<a href="/marine/jawfish.php" title="Jawfish" class="jawfish">Jawfish</a><br>
<a href="/marine/lionfish.php" title="Lionfish" class="lionfish">Lionfish</a><br>
<a href="/marine/parrotfish.php" title="Parrotfish" class="parrotfish">Parrotfish</a><br>
<a href="/marine/pipefish.php" title="Pipefish" class="pipefish">Pipefish</a><br>
<a href="/marine/pseudochromis.php" title="Pseudochromis" class="pseudochromis">Pseudochromis</a><br>
<a href="/marine/rabbitfish.php" title="Rabbitfish" class="rabbitfish">Rabbitfish</a><br>
<a href="/marine/rays.php" title="Rays" class="rays">Rays</a><br>
<a href="/marine/scorpionfish.php" title="Scorpionfish" class="scorpionfish">Scorpionfish</a><br>
<a href="/marine/seahorse.php" title="Seahorse" class="seahorse">Seahorse<br>
<a href="/marine/squirrelfish.php" title="Squirrelfish" class="squirrelfish">Squirrelfish</a><br>
<a href="/marine/sharks.php" title="Sharks" class="sharks">Sharks</a><br>
<a href="/marine/snappers.php" title="Snappers" class="snappers">Snappers</a><br>
<a href="/marine/tangs.php" title="Tangs" class="tangs">Tangs</a><br>
<a href="/marine/tilefish.php" title="Tilefish" class="tilefish">Tilefish</a><br>
<a href="/marine/triggerfish.php" title="Triggerfish" class="triggerfish">Triggerfish</a><br>
<a href="/marine/wrasse.php" title="Wrasse" class="wrasse">Wrasse</a><br>

<br>
</span>
</div>
</div>
<div id="rightSideBar">
<div id="rightNav">
<span>
Featured Listings
</span>
</div>
<div id="middleNavRight">
<span>
<a href="bannerApplication.php"><?
include_once("banners.php"); echo"$bannerAd1";
?> </a>
</span>
</div>
<div id="bottomNavRight">
<span>
<h6>Featured Listings</h6>
</span>
</div>
<div id="bottomNavLastRight">
<span>
<a href="photosubmission.php"><?
include_once("bannerlarge.php"); echo"$bannerAd2";
?> </a>
</span>
</div>
</div>
<div id="mainContent">
<div id="topNav">
<span>
<a href="bannerApplication.php">
<?
include_once("bannerAds.php"); echo"$bannerAd";
?></a>
</span>
</div>
<div id="topLogin">
<span>
<form action="login.php">
Username:<input size="10" name="username" type="text">   Password: <input size="10" name="password1" type="password1">  <input value="Login" type="submit">
</form></span>
</div>
<br>
<span>
<div id="topSearch">
<span>
<form action="login.php" method="post"><font color="#ffffff"><strong>Search:</strong> <input type="text" size="15" name="searchtxt">  <text color="#ffffff"><strong>Category</strong></font> <select>
 <option value="coldwater">Coldwater Fish</option>
 <option value="marine">Marine Fish</option>
 <option value="tropical">Tropical Fish</option>
 <option value="aquariums">Aquariums / Bowls / Tanks</option>
 <option value="foods">Foods</option>
 <option value="liveplants">Live Plants</option>
 <option value="artificialplants">Artificial Plants</option>
 <option value="filtration">Filtration System</option>
 <option value="heating">Heaters</option>
 <option value="crabs">Crabs / Snails / Algae Eaters</option>
 <option value="frogs">Tropical Frogs</option>
 <option value="turtles">Turtles</option>
 <option value="other">Other Fish Supplies</option>
</select>
  
<input type="submit" value="Submit">

</form>
</span>
</div>

<div class="mainText">
<h2> Please correct the following error:</h2>
   <?php echo $myError; ?>
<br />
</div>


</div></body></html>
<?php
exit();
}
?>

like I said, it worked fine until I added include("../mysql/connect.php");

Christian F. · October 13, 2012

Re-read PFMaBiSmAd's post, he posted the solution. To give a further hint, I'm almost positive it's the BOM.

aquatradehub · October 13, 2012

The file is saved as UTF-8 without BOM???

kicken · October 13, 2012

Open the connect.php file in a hex editor so that you can be sure that there is nothing before the opening <?php tag. If you don't have a hex editor there are some sites online you can use, such as http://en.webhex.net/.

If everything looks good, re-upload your files, and double check to make sure you are uploading them to the correct place.

aquatradehub · October 13, 2012

Ok guys, have no idea whats going on, but its all suddenly decided its going to work. Thanks for all your input

kicken · October 13, 2012

The file appears to be ok, no non-printable chars or anything before the tags. Reupload the file to your server, make sure you're overwriting the current one and putting it in the correct place.

aquatradehub · October 13, 2012

Ok guys, have no idea whats going on, but its all suddenly decided its going to work. Thanks for all your input

aquatradehub · October 13, 2012

Aaaaahhhh! I just realised, although it all seems to work now, it doesnt send the email, whereas before, it was. Any ideas?

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Headers Already Sent By Error Grrrrr!

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