if (!defined("_LOAD_PAGE_")) { die("Error: This file cannot be opened directly!"); }

openTable();

switch($op) {
     case "printStr": myFunction(); break;
     default: salute(); break;
}

closeTable();

function myFunction() {
     if (isSet($_GET['text'])) {
          $text = inCode($_GET['text']);
         echo $text;
     } else {
          echo "No arguments!";
     }
}

function salute() {
          echo "Hi, this function will be executed if no operation is specified";
}