contact_form.php RT15

<?php
$your_email=trim($_POST['your_email']);
$your_web_site_name=trim($_POST['your_web_site_name']);
?>

<?php
//If the form is submitted
if(isset($_POST['name'])) {

        //Check to make sure that the name field is not empty
        if(trim($_POST['name']) === '') {
            $hasError = true;
        } else {
            $name = trim($_POST['name']);
        }

        //Check to make sure sure that a valid email address is submitted
        if(trim($_POST['email']) === '')  {
            $hasError = true;
        } else if (!preg_match('^[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+$^', trim($_POST['email']))) {
            $hasError = true;
            $errorMessage = $_POST['text_4'];
        } else {
            $email = trim($_POST['email']);
        }

        //phone
        if(isset($_POST['phone'])) $phone = trim($_POST['phone']);

        //company name
        if(isset($_POST['company_name'])) $company_name = trim($_POST['company_name']);

        //company url
        if(isset($_POST['company_url'])) $company_url = trim($_POST['company_url']);

        //Check to make sure comments were entered
        if(trim($_POST['message']) === '') {
            $hasError = true;
        } else {
            if(function_exists('stripslashes')) {
                $comments = stripslashes(trim($_POST['message']));
            } else {
                $comments = trim($_POST['message']);
            }
        }

        //If there is no error, send the email
        if(!isset($hasError)) {

            $emailTo = $your_email;

            $subject = 'Contact Form Submission from '.$name;

            //message body
            $body  ="Name: $name \n\n";
            $body .="Email: $email \n\n";
            if(isset($phone)) $body .="Phone:$phone\n\n";
            if(isset($company_name)) $body .="Company Name: $company_name\n\n";
            if(isset($company_url)) $body .="Company Url: $company_url \n\n";
            $body .="Message: $comments";

            $headers = 'From: '.$your_web_site_name.' <'.$emailTo.'>' . "\r\n" . 'Reply-To: ' . $email . "\n";
            $headers .= "Content-Type: text/plain; charset=UTF-8\n";
            $headers .= "Content-Transfer-Encoding: 8bit\n";

            mail($emailTo, $subject, $body, $headers);
            $emailSent = true;
        }
}
?>

<?php if(isset($emailSent) == true) { ?>
    <div class="ok_box">
        <h3><?php echo $_POST['text_1'];?>, <?php echo $name;?></h3>
        <p><?php echo $_POST['text_2'];?></p>
    </div>
<?php } ?>

<?php if(isset($hasError) ) { ?>
    <div class="error_box">
        <?php echo $_POST['text_3'];?>
        <br />
        <?php echo $errorMessage;?>
    </div>
<?php } ?>