Using if(isset($_POST['submit'])) to not display echo when script is open is not working

Question

I have a little problem with my if(isset($_POST[\'submit\'])) code. What I want is some echos and a table to not appear when the script is open but I do want it

Answer 1

Whats wrong in this?

login.php

if(isset($_POST['submit']) && !empty($_POST['submit'])) {
  // if (!logged_in()) 
  echo 'asodj';
}