<?php// Error reportingerror_reporting(E_ALL^E_NOTICE);
// Validating the input data:if(!is_numeric($_GET['id']) || !is_numeric($_GET['x']) || !is_numeric($_GET['y']) || !is_numeric($_GET['z']))die("0");
// Escaping:$id = (int)$_GET['id'];$x = (int)$_GET['x'];$y = (int)$_GET['y'];$z = (int)$_GET['z'];

// Saving the position and z-index of the note:$xmla = simplexml_load_file('../db/notes.xml');

$target = -1;
$i = 0;

foreach ($xmla->note as $s) {
  if ($s['id']==$id) { $target = $i; break; }
  $i++;
}

$xmla->note[$target]->top = $y;
$xmla->note[$target]->left = $x;
$xmla->note[$target]->zindex = $z;


$xmla->asXML('../db/notes.xml');

echo $target;?>