Не определяет переменные

 

  if (isset($_POST['submit'])) {

    $from = 'elmer@makemeelvis.com';

    $subject = $_POST['subject'];

    $text = $_POST['elvismail'];

    $output_form = false;

 

    if (empty($subject) && empty($text)) {

      // We know both $subject AND $text are blank

      echo 'You forgot the email subject and body text.<br />';

      $output_form = true;

    }

 

    if (empty($subject) && (!empty($text))) {

      echo 'You forgot the email subject.<br />';

      $output_form = true;

    }

 

    if ((!empty($subject)) && empty($text)) {

      echo 'You forgot the email body text.<br />';

      $output_form = true;

    }

  }

  else {

    $output_form = true;

  }

 

  if ((!empty($subject)) && (!empty($text))) {

    $dbc = mysqli_connect('data.makemeelvis.com', 'elmer', 'theking', 'elvis_store')

      or die('Error connecting to MySQL server.');

 

    $query = "SELECT * FROM email_list";

    $result = mysqli_query($dbc, $query)

      or die('Error querying database.');

 

    while ($row = mysqli_fetch_array($result)){

      $to = $row['email'];

      $first_name = $row['first_name'];

      $last_name = $row['last_name'];

      $msg = "Dear $first_name $last_name,\n$text";

      mail($to, $subject, $msg, 'From:' . $from);

      echo 'Email sent to: ' . $to . '<br />';

    }

 

    mysqli_close($dbc);

  }

 

  if ($output_form) {

 

 <form method="post" action="<?PHP echo $_SERVER['PHP_SELF']; ?>">

 <label for="subject">Subject of email:</label> <input id="subject" name="subject" type="text" value="<?PHP echo $subject; ?>" size="30" /><label for="elvismail">Body of email:</label><textarea id="elvismail" name="elvismail" rows="8" cols="40"><?PHP echo $text; ?></textarea><input type="submit" name="submit" value="Submit" />

</form>

 

  }

 

 if (isset($_POST['submit'])) {

$from = 'elmer@makemeelvis.com';

$subject = (!empty($_POST['subject']))?trim($_POST['subject']):'';

$text = (!empty($_POST['elvismail']))?trim($_POST['elvismail']):'';

$output_form = false;

 

if (isset($_POST['submit'])) {

 

!empty(POST['submit']) ? POST['submit'] : NULL;

$from = 'elmer@makemeelvis.com';

$subject = (!empty($_POST['subject']))?trim($_POST['subject']):'';

$text = (!empty($_POST['elvismail']))?trim($_POST['elvismail']):'';

$output_form = false;

 

if (isset($_POST['submit'])) {

 

 

mail($to, '=?UTF-8?B?'.base64_encode($subject).'?=', $msg, 'From:' . $from);