<?php

class ContactPop {
    /****** config *********/

    // the title of the emails that the form sends
    var $emailTitle = 'MYSITE Contact Form';

    var $thankYouMessage = "Thank you for contacting us, we'll get back to you shortly.";

    /******* end config ********/


    var $error = '';

    function getFormHtml($ajax = 0) {

        $postedName = $_POST['name'];
        $postedEmail = $_POST['email'];
        $postedMessage = $_POST['message'];

        $sendto = $_POST['subject'];
        if ($sendto == 'option1')
        { $recipient = 'option1@mail.com'; }
        elseif ($sendto == 'option2')
        { $recipient = 'option2@mail.com'; }
        elseif ($sendto == 'option3')
        { $recipient = 'option3@mail.com'; }
        elseif ($sendto == 'option4')
        { $recipient = 'option4@mail.com'; }
        elseif ($sendto == 'optoin5')
        { $recipient = 'option5@mail.com'; }


        $formHtml = '';

        // send congratulations message
        if ( isset($_POST['httpReferer']) && !$this->error ) {
            $out = '<p id="contact-pop-error" class="formItem">' . $this->thankYouMessage . '</p>';

            if ( $ajax ) $out .= '<a href="#" class="close-overlay">Close</a>';

            return $out;
        }

        if ( $this->error ) $formHtml .= '<p id="contact-pop-error" class="formItem">' . $this->error . '</p>';


        $httprefi = $_SERVER["HTTP_REFERER"];

        $cancelLink = $ajax ? '<a href="#" class="close-overlay">Cancel</a>' : '';

        $formHtml .= <<<EOT

        <input type="hidden" name="httpReferer" value="$httprefi" />

        <div class="formItem">
            <label>Pick a relevant subject:</label>
            <select class="inputText2" name="subject">
            <option class="dropdown" value="option1">option1</option>
            <option class="dropdown" value="option2">option2</option>
            <option class="dropdown" value="option3">option3</option>
            <option class="dropdown" value="option4">option4</option>
            <option class="dropdown" value="option5">option5</option>
            </select>
        </div>

        <div class="formItem">
            <label>Name:</label>
            <input type="text" name="name" class="inputText" value="$postedName" size="35" />
        </div>

        <div class="formItem">
            <label>Company:</label>
            <input type="text" name="company" class="inputText" value="$postedCompany" size="35" />
        </div>

        <div class="formItem">
            <label>Email:</label>
            <input type="text" name="email" class="inputText" value="$postedEmail" size="35" />
        </div>

        <div class="formItem">
            <label>Website:</label>
            <input type="text" name="website" class="inputText" value="$postedWebsite" size="35" />
        </div>

        <div class="formItem">
            <label>Message:</label>
            <textarea name="message" class="textarea" rows="7" cols="38">$postedMessage</textarea>
        </div>

        <div class="formItem">
            <input type="submit" value="Send Message" class="submit" />
        </div>

EOT;

        return $formHtml;
    }

    function checkEmail($emailAddress) {
        if (preg_match('/[^\x00-\x20()<>@,;:\\".[\]\x7f-\xff]+(?:\.[^\x00-\x20()<>@,;:\\".[\]\x7f-\xff]+)*\@[^\x00-\x20()<>@,;:\\".[\]\x7f-\xff]+(?:\.[^\x00-\x20()<>@,;:\\".[\]\x7f-\xff]+)+/i', $emailAddress)){
            $emailArray = explode("@",$emailAddress);
            if (checkdnsrr($emailArray[1])){
                return TRUE;
            }
        }
        return false;
    }

    function processForm() {

        // check data
        if ( !$_POST['name'] ) $this->error .= 'Please enter your name<br />';
        if ( !$this->checkEmail( $_POST['email'] ) ) $this->error .= 'Please enter a valid email address<br />';
        if ( !$_POST['message'] ) $this->error .= 'Please enter a message<br />';

        if ( !$this->error ) $this->sendFormEmail();
    }

    function sendFormEmail() {
        $message = "Name: " . stripslashes($_POST['name']) .
            "\nEmail: " . $_POST['email'] .
            "\n\nMessage: " . stripslashes($_POST['message']);

        if ( $_POST['ajaxForm'] ) $message .= "\n\nFrom a Contact-Pop Form on page: " . $_SERVER["HTTP_REFERER"];
        else $message .= "\n\nReferrer: " . $_POST['httpReferer'];

        $message .= "\n\nBrowser Info: " . $_SERVER["HTTP_USER_AGENT"] .
            "\nIP: " . $_SERVER["REMOTE_ADDR"] .
            "\n\nDate: " . date("Y-m-d h:i:s");

        mail($this->sendto, $this->emailTitle, $message, 'From: ' . $_POST['name'] . ' <' . $_POST['email'] . '>');
    }
}

$contactPop = new ContactPop();

if (isset($_POST['httpReferer'])) $contactPop->processForm();

// echo the ajax version of the form
if ( isset($_REQUEST['ajaxForm']) && $_REQUEST['ajaxForm']) {
    echo $contactPop->getFormHtml(1);
}
// or echo the full page version of the form
else {

?>

    <?=$contactPop->getFormHtml(); ?>

<?php
}
?>