با سلامی دوباره ...
اینم از کد . یعنی همون قسمتی که ارور میده :
<?phprequire("db.php");global $connect;mysqli_query($connect , "SET NAMES utf8");$id = $_GET['id'];$string = "SELECT * FROM membership WHERE id=$id";$query = mysqli_query($connect , $string);
$array_id = mysqli_fetch_assoc($query);
$subject = " وب سایت ترک سیگار مدیاتور ";
// SEND EMAIL
if($_SERVER["REQUEST_METHOD"] == "POST"){ $subject = $_POST['text_name']; $to = $_POST['email_name'] ; $message = $_POST['content'] ; $from = "mediator@leavesmoke.com"; $headers = "From:" . $from;
if(mail($to , $subject , $message,$headers)){ //echo "SENT"; $sent = "SENT"; echo '<div id="send">'.$sent.'</div>'; }else{ //echo "ERROR"; $error = "ERROR"; echo '<div id="error">'.$error.'</div>'; }}
;?>