Кирюшка Цисарь

if(  isset($_POST['email']) && !empty($_POST['email']) ) {

$query = "INSERT INTO owners (`email`) VALUES ('$email')";

$email = mysqli_real_escape_string($connection, $email);

$(function(){
  $('.my_basket_call').on('click', '', function(){
    var idclick = $(this).attr("id");
    console.log(idclick);

    $.ajax({
      url: 'request.php',
      type: 'POST',
      data: 'cat='+idclick,
      beforeSend: funcDown,
      success: function(data){
        $('.xochy_vivesti_tyt').html(data);
      }
    });
  });
});

<?
      if(isset($_POST['cat']) && !empty($_POST['cat']))
      {			
        $res = $_POST['cat'];
        echo $res;        
      }		
 ?>