Untitled

<?php
/*
 * Implementation of hook_menu()
 */
function custom_example_menu(){
  $items['foo/bar'] = array(
    'title' => 'Page Title',
    'description' => 'Simple custom hook_menu() implementation.',
    'page callback' => 'my_page_function',
    'access arguments' => array('access content'),
  );
  return $items;
}

/*
 * Returns custom content to Drupal
 */
function my_page_function(){
   return theme('my_custom_template');
}

/*
 * Implementation of hook_theme().
 */
function custom_example_theme(){
  return array(
    'my_custom_template' => array(
      'template' => 'custom-page',
    ),
  );
}

<html>
<body>
<p>hello</p>
</body>
</html>