Validation query

healy787 · February 24, 2009

Hi guys. Im getting myself in a pickle. Here is what i have:

<?

$name = $_REQUEST['name'] ;

$surname = $_REQUEST['surname'] ;

$email = $_REQUEST['email'] ;

$message = $_REQUEST['message'] ;

$subject1 = $_POST['subject1'] ;

$mailing = $_POST['mailing'] ;

$telephone = $_REQUEST['telephone'] ;

$to = "[email protected]";

$subject = "Message From Letsgohost Website";

$MsgHeader = "From: Lestgohost Website <[email protected]>\n";

$MsgHeader .= "Bcc: <[email protected]> r\n";

$MsgHeader .= "MIME-Version: 1.0\n";

$MsgHeader .= "Content-type: text/html; charset=iso-8859-1\n";

$MsgBody = "

<html>

<head>

<title>Letsgohost</title>

</head>

<body>

<tr><td>Surname : $surname</td></tr>

<tr><td>Email : $email</td></tr>

<tr><td>Message subject : $subject1</td></tr>

<tr><td>Message : $message</td></tr>

<tr><td>Mailing : $mailing</td></tr>

<tr><td>Telephone : $telephone</td></tr>

</table>

</body>

</html>";

function checkEmail($email)

{

// checks proper syntax

if( !preg_match( "/^([a-zA-Z0-9])+([a-zA-Z0-9\._-])*@([a-zA-Z0-9_-])+([a-zA-Z0-9\._-]+)+$/", $email))

{

return false;

}

// gets domain name

list($username,$domain)=split('@',$email);

// checks for if MX records in the DNS

$mxhosts = array();

if(!getmxrr($domain, $mxhosts))

{

// no mx records, ok to check domain

if (!fsockopen($domain,25,$errno,$errstr,30))

{

return false;

}

else

{

return true;

}

else

{

// mx records found

foreach ($mxhosts as $host)

{

if (fsockopen($host,25,$errno,$errstr,30))

{

return true;

}

return false;

}

if (!isset($_REQUEST['email'])) {

header( "Location: http://www.letsgohost.co.uk/contact.html" );

}

elseif (empty($email) || empty($message) || empty($name)) {

header( "Expires: Mon, 20 Dec 1998 01:00:00 GMT" );

header( "Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT" );

header( "Cache-Control: no-cache, must-revalidate" );

header( "Pragma: no-cache" );

?>

<html>

<head><title>Error</title></head>

<body>

<h1>Error</h1>

Oops, it appears you haven't filled in the form correctly. Please ensure ALL fields have been filled in correctly. Please use the BACK

button in your browser and try again.

</body>

</html>

<?php

}

else {

mail($to, $subject, $MsgBody, $MsgHeader);

header("Location: http://www.letsgohost.co.uk/thanks.html");

}

if(!is_numeric($_POST['telephone'])){

echo("Telephone must be numeric (numbers only)");

}

?>

The form posts perfectly. The problem i have is when i add the function checkEmail. This seems to overide the other validation and allows me to leave the email box blank? When i remove the function the script works fine and i have to put a value in the email box. Obviously the email validator isnt working right.

Any suggestions?

Thanks people.

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Validation query

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