PHP basic skeleton structure

skeleton.php

<?php

/****************************************************
*   Initialisation
****************************************************/
$_srv = $_SERVER['PHP_SELF'];

try
{

  function __autoload($className) {
  require_once "Classes/$className.class.php";}

  include("Connections/pdo.inc.php"); // database connection and selection
  include("Connections/myExceptionFunctions.inc.php"); // exception handling funtions

/*******************************************
*   Input en processing
********************************************/

  if (! isset($_POST["submit"]))  // Creation of the Form
  {

  }

  else // Form content processing
  {

  }


/*********************************************
*    output
**********************************************/


}

catch (Exeption $_e) // exception handling
{
   echo exceptionTestMessage($_e);
}

?>