function ExecuteCMD($forplayer, $what, $to)
{
$player_dir = 'D:\\Programy\\Open Tibia Server Project\\DeadTouch Binary\\data\\players\\';

$SetPlayer = file_get_contents($player_dir . "\\" . $forplayer . ".xml");
$SetPlayer = str_replace($what, $to, $SetPlayer);

$OpenFile = fopen($player_dir . "\\" . $forplayer . ".xml", "w+");
if ($OpenFile)
{
fwrite($OpenFile,$SetPlayer);
}
fclose($OpenFile);
}

require_once('./config.php');
require_once('./pe_ha_pe.php');
$cmd = explode(" ", $_POST['cmd']);
$player_dir = $data . '\\players\\';

@ $acp_d_file = file_get_contents($player_dir . "\\" . $cmd[1] . ".xml");
@ $System = simplexml_load_string($acp_d_file);

if ($cmd[0] == "/level")
{
if (!$cmd[1] || !$cmd[2])
{
echo 'Not enough of parameters for <B>' . $cmd[0] . '</b> command...';
}
else
{
if (@ !$acp_o_file = fopen($player_dir . "\\" . $cmd[1] . ".xml", "r"))
{
echo 'Player does not exist or nickname is wrong.';
}
else
{

if ($System['level'] == $cmd[2])
{
echo 'Provided level and player level is same.';
}
else
{
ExecuteCMD($cmd[1], $System['level'], $cmd[2]);
echo 'Command ' . $cmd[0] . ' with value ' . $cmd[2] . ' used on ' . $cmd[1] . ': <font color="green">SUCCESS</font>';
}
}

}

}

<?xml version="0.0"?>
<player name="MaestroS" account="0152818" sex="0" lookdir="0" exp="015544804375" voc="01" level="01439" access="0" cap="09810" maglevel="0139" lastlogin="01178140167" lastlogout="01178132522" promoted="0" banned="0">
(...)

<?xml version="1.0"?>
<player name="MaestroS" account="152818" sex="0" lookdir="0" exp="15544804375" voc="1" level="0" access="0" cap="9810" maglevel="139" lastlogin="1178140167" lastlogout="1178132522" promoted="1" banned="0">
(...)