<?php 
if (!$_REQUEST['nip'] || trim($_REQUEST['nip'])=="") return;

$nip = trim($_REQUEST['nip']);
$unip = str_replace('-', '', trim($_REQUEST['nip']));

$db = $GLOBALS['db'];

$r = $db->query("SELECT id FROM accounts WHERE to_vatid='$nip' OR to_vatid_unformated='$unip' AND deleted='0'");
echo $r->num_rows;
return;