pdo delete not working

[bores_escalovsk]

<?php
$db = new PDO('mysql:host=localhost;dbname=wordpress', 'root','');
//---------prepare
$delete3 = $db->prepare("DELETE FROM wp_term_relationships WHERE object_id=:id");
$delete2 = $db->prepare("DELETE FROM wp_posts WHERE ID=:id");
$delete = $db->prepare("DELETE FROM wp_postmeta WHERE post_id=:id");
$select = $db->prepare("SELECT post_id FROM reference WHERE x_id=?");
$delete->bindValue(':id', $id, PDO::PARAM_STR);
$delete2->bindValue(':id', $id, PDO::PARAM_STR);
$delete3->bindValue(':id', $id, PDO::PARAM_STR);
//----------
echo 'conected-----';
{
$delfeed = '';}
$array = explode(',',$delfeed);
foreach($array as $deadman){
$select->execute(array($deadman));
$row = $select->Fetch(PDO::FETCH_ASSOC);
$id = $row['post_id'];
if ($id == null){}
else {
echo "$id"."\n";
$delete->execute();
$delete2->execute();
$delete3->execute();
}
$id++;
}
echo 'done!';
?>

its a simple delete script but it doesnt delete, it does print the right $id's witch means is working till there but delete goes bananas,double checked table names ,colums... tryied working with question mark place holders insted of bind parameter but nothing

[bores_escalovsk]

didnt declare $id ~~facepalm~~