PHP pdo formdan veri kaydetme sorunu

	<?php
include 'config/baglan.php';
 
    if (isset($_POST['ekle'])) {
		 var_dump($_POST);
				 
					$ekle=$db->prepare("INSERT INTO mailbox SET
            ad=:ad,
            soyad=:soyad,
            tel=:tel,
            mail=:mail,
            mesaj=:mesaj
             ");
					
					 $ekleme=$ekle->execute(array(
						 'ad' => $_POST['ad'],
                         'soyad' => $_POST['soyad'],
                         'tel' => $_POST['tel'],
                         'mail' => $_POST['mail'],
						 'mesaj' => $_POST['mesaj']
						 
					 ));
						 


						if ($ekleme) {
							header("********:../index.php?durum=ok");
							exit;
						} else {
							header("********:../index.php?durum=no");
							exit;
						}
					 exit;
				 }
			

?>

<form method="POST" action="inc/function.php" enctype="multipart/form-data"  data-parsley-validate>
											<div class="row gtr-uniform">
												<div class="col-6 col-12-xsmall">
													<input type="text" name="ad"  value="" placeholder="İsim">
												</div>
												<div class="col-6 col-12-xsmall">
													<input type="text" name="soyad"  value="" placeholder="Soyisim">
												</div>
												<div class="col-6 col-12-xsmall">
													<input type="text" name="tel"  value="" placeholder="Telefon">
												</div>
												<div class="col-6 col-12-xsmall">
													<input type="email" name="mail"  value="" placeholder="Email">
												</div>
											
												<div class="col-12">
													<textarea name="mesaj"   placeholder="Mesajınız" rows="6"></textarea>
												</div>
												<div class="col-12">
													<ul class="actions">
														<li><input type="submit"  name="ekle" placeholder="Gönder" class="primary"></li>
													</ul>
												</div>
											</div>
										</form>