i'm attempt to develop a contact page using html and php but im getting mtss is a message parse error:,syntax error,unpredicted T_ELSE in c:xampphtdocsmyfolderform_process.php online 81,i truly do not know where im doing the work wrong,this really is my code below

<?php

    session_start();

      if($_POST['submit'])
      {
       $num = 0;

       if(strlen($_POST['name']) > 0)
        $num = $num;
         $_SESSION['name'] = $_POST['name'];
         unset($_SESSION['error_name']);
      }
      else 
      {
       $num = $num + 1;
       $_SESSION['error_name'] = "You have not filled out a Name";

      }

       if(strlen($_POST['surname']) > 0){
        $num = $num;
         $_SESSION['surname'] = $_POST['surname'];
         unset($_SESSION['error_surname']);
      }

      else 
      {
       $num = $num + 1;
       $_SESSION['error_surname'] = "You have not filled out a Surname";

      }

       if(strlen($_POST['phone']) > 0){
        $num = $num;
         $_SESSION['phone'] = $_POST['phone'];
         unset($_SESSION['error_phone']);
      }
      else 
      {
       $num = $num + 1;
       $_SESSION['error_phone'] = "You have not filled out a Phone Number";

      }

       if(strlen($_POST['email']) > 0){
        $num = $num;
         $_SESSION['email'] = $_POST['email'];
         unset($_SESSION['error_email']);
      }
      else 
      {
       $num = $num + 1;
       $_SESSION['error_email'] = "You have not filled out a Email Address";

      }

       if(strlen($_POST['comments']) > 0){
        $num = $num;
         $_SESSION['comments'] = $_POST['comments'];
         unset($_SESSION['error_comments']);
      }
      else 
      {
       $num = $num + 1;
       $_SESSION['error_comments'] = "You have not filled out a Comment";

      }

         if ($num == 0)
          {
            //process form
             echo "success";
            }
            else
            {
            header("Location: inter.php");      
            }


     else{

       header("location: inter.php");
      }

    ?>

somebody help

Bottom of the code there's an unclosed if statement. Sign in your code.

if{  

...

}else{
    header("location: inter.php");
} 

Your else { header("location: inter.php"); } is not balanced with other things :)

You need to certainly use consistent indentation and put your curly braces consistently.

Here's an update, using the (missing?) curly braces:

<?php
  session_start();

  if($_POST['submit']) {
    $num = 0;

    if(strlen($_POST['name']) > 0) {
        $num = $num;
         $_SESSION['name'] = $_POST['name'];
         unset($_SESSION['error_name']);
    }
    else {
       $num = $num + 1;
       $_SESSION['error_name'] = "You have not filled out a Name";

    }

    if(strlen($_POST['surname']) > 0){
        $num = $num;
         $_SESSION['surname'] = $_POST['surname'];
         unset($_SESSION['error_surname']);
    }
    else {
       $num = $num + 1;
       $_SESSION['error_surname'] = "You have not filled out a Surname";

    }

    if(strlen($_POST['phone']) > 0){
        $num = $num;
         $_SESSION['phone'] = $_POST['phone'];
         unset($_SESSION['error_phone']);
    }
    else {
       $num = $num + 1;
       $_SESSION['error_phone'] = "You have not filled out a Phone Number";
    }

    if(strlen($_POST['email']) > 0){
        $num = $num;
         $_SESSION['email'] = $_POST['email'];
         unset($_SESSION['error_email']);
    }
    else {
       $num = $num + 1;
       $_SESSION['error_email'] = "You have not filled out a Email Address";
    }

    if(strlen($_POST['comments']) > 0){
        $num = $num;
         $_SESSION['comments'] = $_POST['comments'];
         unset($_SESSION['error_comments']);
    }
    else {
       $num = $num + 1;
       $_SESSION['error_comments'] = "You have not filled out a Comment";
      }

    if ($num == 0) {
            //process form
             echo "success";
    }
    else {
            header("Location: inter.php");      
    }
  }
  else {
       header("location: inter.php");
  }
  ?>

There's 2 else of same if

if ($num == 0)
          {
            //process form
             echo "success";
            }
            else
            {
            header("Location: inter.php");      
            }


     else{

       header("location: inter.php");
      }

    ?>

I believe you are missing a parenthesis

        header("Location: inter.php");      
    }

} // This one is missing
else {