Pass data to hook_preprocess_html from custom module

I’m trying to create a custom Drupal 7 module where it renders a custom page template. I want the data on /animals and /animals/getanimal to be in a custom HTML template.

After much searching and few successes, I’ve found that hook_preprocess_html works and that I can stop Drupal from loading the default template, but I’m struggling to pass data to my templates from the menu hook.

Is there a way to pass data from the menu hook to hook_preprocess_html, or is there another way where I can load my own custom template from the URLs in my custom module?

 /**  * Implements hook_menu()  * @return mixed  */ function animal_farm_menu() {    $items['animals'] = array(     'title'           => 'Discover animals',     'page callback'   => 'getDiscover',     'page arguments'  => array(),     'access callback' => TRUE,     'type'            => MENU_NORMAL_ITEM,     'menu_name'       => 'main-menu',   );    $items['animals/getanimal'] = array(     'title'           => 'all animals',     'page callback'   => 'getAnimal',     'page arguments'  => array(),     'access callback' => TRUE,     'type'            => MENU_NORMAL_ITEM,     'menu_name'       => 'main-menu',   );    return $items; }   function getDiscover() {   $result = ['cat','dog','monkey','cow'];   return $result; }  function getAnimal() {   $result = ['cat','dog','monkey','cow'];   return $result; }   /**  * Implements hook_preprocess_html().  */ function animal_farm_preprocess_html(&$vars) {    $node = menu_get_object();    $path = current_path();    // echo $path;    // Add a new theme suggestion when viewing node's of mynodetype.   if ($path == 'animals') {     $vars['theme_hook_suggestions'][] = 'html__mynodetype';     $vars['data'] = [1,2,4,'monkey'];   }    if ($path == 'animals/getanimal') {     $vars['theme_hook_suggestions'][] = 'animal_farm_discover';     $vars['data'] = [1,2,4,'monkey'];   }  }  /**  * Implements hook_theme().  */ function animal_farm_theme($existing, $type, $theme, $path) {   $theme = array();    //Add our templates/html--mynodetype.tpl.php to the theme registry   $theme['html__mynodetype'] = array(     'template' => 'html--mynodetype',     'path' => drupal_get_path('module', 'animal_farm') . '/templates',   );   return $theme; } 
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Pass data to hook_preprocess_html from custom module

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