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697 B

<?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; ?>