PHP Decode

<?php 
 
            
        $servername = "localhost"; 
        $username = "ariyanpr_ariyan"; 
        $password = "M9054711210a"; 
        $dbname = "ariyanpr_users"; 
        $port = 3306; 
         
        $conn = new mysqli($servername, $username, $password, $dbname , $port); 
         
        //   
        if ($conn->connect_error) { 
            die("ERROR" . $conn->connect_error); 
        } 
        function countDigits($number) {  
            $digitCount = 0;  
            while ($number != 0) {  
                $number = (int)($number / 10);  
                $digitCount++;  
            }  
            return $digitCount;  
        }  
 
        if ($_SERVER['REQUEST_METHOD'] == "POST") { 
            $username = $_POST["Rusername"]; 
            $password = $_POST["Rpassword"]; 
            $cpassword  = $_POST['RCpassword']; 
            $email = $_POST["Remail"]; 
            $tel = $_POST["tel"]; 
            if ($username == $row['Username']) { 
                echo '.      '; 
                return; 
            } 
             
        $sqlUSER = "SELECT * FROM `users` Where `Username` = '$username'"; 
        $resultU = $conn->query($sqlUSER); 
        if ($resultU->num_rows > 0 ) { 
            echo "      "; 
        }else { 
                    $sql = "SELECT * FROM `users`"; 
        $result = $conn->query($sql); 
        if ($result->num_rows > 0 ) { 
             
                    $sql = "SELECT * FROM `users`"; 
        $result = $conn->query($sql); 
        if ($result->num_rows > 0 ) { 
            while ($row = $result->fetch_assoc()) {  
                if ($username == $row['Username']) { 
                    echo '.      '; 
                    return ; 
                }else { 
                    if ($password == $cpassword) { 
                        $IP = $_SERVER['REMOTE_ADDR']; 
                            $sqlReg = "INSERT INTO `users` (`userId`, `Username`, `Email`, `Password`, `Number`,`IP`) VALUES (NULL, '$username', '$email', '$password', '$tel', '$IP')"; 
                            $add = $conn->query($sqlReg); 
                            $data = array( 
                         
                                    "reg" => true, 
                                    "username" =>$username, 
                                    "password" =>$password, 
                                    "cpassword"=>$cpassword, 
                                    "tel"=>$tel, 
                                    "email"=>$email 
                                 
                            ); 
                            
                setcookie('ARIYAN_username',$username, time()+3600*24*30 ); 
                setcookie('ARIYAN_password',$password, time()+3600*24*30 ); 
                setcookie('ARIYAN_email',$email, time()+3600*24*30 ); 
                setcookie('ARIYAN_reg','true', time()+2); 
                break; 
                         
                    }else { 
                        echo 'Password Not Match'; 
                        break; 
                    } 
                } 
            } 
        }       else { 
            echo "Hellos"; 
        } 
         } 
         else { 
             echo "Hellosdas"; 
         } 
        } 
             
 
?>