function inflector()
 {
     return ICanBoogie\Inflector::get(INFLECTOR_DEFAULT_LOCALE);
 }
 private function register_taxonomy($name, $content_type, $args = null)
 {
     $inflector = ICanBoogie\Inflector::get('en');
     $sanitised = str_replace(" ", "_", strtolower($name));
     $human = $inflector->titleize($sanitised);
     $plural = $inflector->pluralize($human);
     $singular = $inflector->singularize($human);
     $default_args = array('name' => $plural, 'singular_name' => $singular, 'labels' => array('name' => $plural, 'singular_name' => $singular, 'menu_name' => $plural, 'all_items' => "All {$plural}", 'edit_item' => "Edit {$singular}", 'view_item' => "View {$singular}", 'update_item' => "Update {$singular}", 'add_new_item' => "Add new {$singular}", 'new_item_name' => "New {$singular} name", 'parent_item' => "Parent {$singular}", 'parent_item_colon' => "Parent {$singular}:", 'search_items' => "Search {$plural}", 'popular_items' => "Popular {$plural}", 'separate_items_with_commas' => "Separate {$plural} with commas", 'add_or_remove_items' => "Add or remove {$plural}", 'choose_from_most_used' => "Most used {$plural}", 'not_found' => "No {$plural} found"), 'show_in_rest' => true, 'query_var' => true);
     if (is_null($args) || !is_array($args)) {
         $args = $default_args;
     } else {
         $args = array_merge($default_args, $args);
     }
     if (is_array($content_type)) {
         $types = $content_type;
     } elseif ($content_type == 'all') {
         $types = get_post_types(array('public' => true));
     } else {
         $types = [$content_type];
     }
     register_taxonomy($sanitised, array_values($types), $args);
 }
<div class="wrap">
    <h1>Edit <?php 
echo $content_type->name;
?>
</h1>
    <?php 
$inflector = ICanBoogie\Inflector::get('en');
$sanitised = str_replace(" ", "_", strtolower($content_type->name));
$route = "/wp-json/wp/v2/{$inflector->pluralize($sanitised)}";
?>

    <p>Available at <a href="<?php 
echo $route;
?>
"><?php 
echo $route;
?>
</a></p>

    <form action="?page=<?php 
echo $this->plugin_name;
?>
-overview" method="POST" id="content-type">
        <?php 
wp_nonce_field($this->plugin_name, $this->plugin_name . '-token');
?>
        <input name="id" type="hidden" value="<?php 
echo $content_type->id;
?>
"/>