One-button website publishing using WordPress-mu

function mypp_initialize_blog($blog_id) {
  global $wp_rewrite;
 
  // first, switch to the new blog; we will undo this at the
  // end of the function with restore_current_blog()
  switch_to_blog($blog_id);
  // add a blog option, here a filter with a default value
  add_option($blog_id, 'campus_selection_criteria', "CampusStateID='CA'");
  // Set a custom permalink structure
  $wp_rewrite->set_permalink_structure('/%category%/%postname%');
  $wp_rewrite->flush_rules();
  if (function_exists('wp_create_category')) {
      wp_create_category('schools');
  }
 
  // switch theme - this one specifies a child theme
  switch_theme('corporate', 'tweaked-corporate');
  // Prepare options used by the pageMash plugin, auto-activated for new sites
  if(!is_array(get_option('exclude_pages')))
    $excludePagesList=array();
  else
    $excludePagesList = get_option('exclude_pages'); //if it's empty set as an empty array
  // add pages to support the basic page structure
  // NOTE: the full code is not shown, standard use of wp_insert post
  // for each page:
  $newid = wp_insert_post($postdata);
  if ($newid && !is_wp_error($newid)) {
    add_meta($newid);
    if ( IWANTOEXCLUDETHISPARTICULARPAGEFROMNAVIGATION )
      $excludePagesList[] = $newid;
    if (THISPARTICULARPAGE == 'home') {
      update_option('show_on_front', 'page');
      update_option('page_on_front', $newid);
    }
  } else {
    // error handling if insert post failed
  }
  // end for each page
  update_option('exclude_pages', $excludePagesList);
  // now generate posts for schools from the shared database
  createSchoolAsPost('', $blog_id);
  // we're done! restore our initial blog
  restore_current_blog();
} // function mypp_initialize_blog
 
add_action('wpmu_new_blog', 'mypp_initialize_blog');