sensei.php

<?php
namespace App;

if (defined('ABSPATH')) {
    add_action('after_setup_theme', function () {
        add_theme_support('sensei');
    });

    /**
     * @param string $template
     * @return string
     */
    function sensei_template_loader(String $template)
    {
        return strpos($template, Sensei()->plugin_path()) === -1
            ? $template
            : (locate_template(str_replace(Sensei()->plugin_path() . '/templates/', Sensei()->template_url, $template)) ?: $template);
    }
    add_filter('template_include', __NAMESPACE__ . '\\sensei_template_loader', 100, 1);
    add_filter('comments_template', __NAMESPACE__ . '\\sensei_template_loader', 100, 1);
}