root/trunk/actions/feedback/feedback.php

<?php
/** 
 * Displays a form to send feedback to the site administrator, as specified in wikka.config.php
 *
 * It first validates the form, then sends it using the mail() function;
 *
 * @package             Actions
 * @version             $Id:feedback.php$
 * @license             http://www.gnu.org/copyleft/gpl.html GNU General Public License
 * @filesource
 *
 * @uses        Wakka::FormClose()
 * @uses        Wakka::FormOpen()
 * @uses        Wakka::GetSafeVar()
 * @uses        Wakka::GetWakkaName()
 * @uses        Wakka::Href()
 * @uses        Config::$admin_email
 * @uses        Config::$root_page
 */


$name = $this->GetSafeVar('name', 'post');
$email = $this->GetSafeVar('email', 'post');
$comments = $this->GetSafeVar('comments', 'post');

$form = T_("<p>Fill in the form below to send us your comments:</p>\n").
        $this->FormOpen().
        '<label for="name">'.T_("Name: ").'</label><input name="name" value="'.$name.'" type="text" /><br />'."\n".
        '<input type="hidden" name="mail" value="result">'."\n".
        '<label for="email">'.T_("Email: ").'</label><input name="email" value="'.$email.'" type="text" /><br />'."\n".
        '<label for="comments">'.T_("Comments:").'</label><br />'."\n".'<textarea name="comments" rows="15" cols="40">'.$comments.'</textarea><br / >'."\n".
        '<input type="submit" value="'.T_("Send").'" />'."\n".
        $this->FormClose();

if ($this->GetSafeVar('mail', 'post')=='result') 
{

        list($user, $host) = sscanf($email, "%[a-zA-Z0-9._-]@%[a-zA-Z0-9._-]");
        if (!$name) 
        {
                // a valid name must be entered
                echo '<p class="error">'.T_("Please enter your name").'</p>'."\n";
                echo $form;
        } elseif (!$email || !strchr($email, '@') || !$user || !$host)
        {
                // a valid email address must be entered
                echo '<p class="error">'.T_("Please enter a valid email address").'</p>'."\n";
                echo $form;
        } elseif (!$comments)
        {
                // some text must be entered
                echo '<p class="error">'.T_("Please enter some text").'</p>'."\n";
                echo $alert;
                echo $form;
        } else 
        {
                // send email and display message
                $msg = 'Name:\t'.$name."\n";
                $msg .= 'Email:\t'.$email."\n";
                $msg .= "\n".$comments."\n";
                $recipient = $this->GetConfigValue('admin_email');
                $subject = sprintf(T_("Feedback from %s"),$this->GetWakkaName());
                $mailheaders = 'From:'.$email."\n";
                $mailheaders .= 'Reply-To:'.$email;
                mail($recipient, $subject, $msg, $mailheaders);
                echo sprintf(T_('Thanks for your interest! Your feedback has been sent to %s. Return to the <a href=\"%s\">main page</a>'),$recipient, $this->Href('', $this->GetConfigValue('root_page')));
                // optionally displays the feedback text
                //echo $this->Format('---- **'.T_("Name: ").'** '.$name.'---**'.T_("Email: ").'** '.$email.'---**'.T_("Comments:").'** ---'.$comments');
        }    
} else 
{
        echo $form;
}
?>