readingtime.php

<?php

namespace Grav\Plugin;

use Composer\Autoload\ClassLoader;
use Grav\Common\Plugin;
use Grav\Plugin\ReadingTime\TwigReadingTimeFilters;

class ReadingTimePlugin extends Plugin
{
    public static function getSubscribedEvents()
    {
        return [
            'onPluginsInitialized' => [
                ['autoload', 100000],
                ['onPluginsInitialized', 0]
            ]
        ];
    }

    /**
     * [onPluginsInitialized:100000] Composer autoload.
     *
     * @return ClassLoader
     */
    public function autoload()
    {
        return require __DIR__ . '/vendor/autoload.php';
    }

    public function onPluginsInitialized()
    {
        if ($this->isAdmin()) {
            $this->active = false;
            return;
        }

        $this->enable([
            'onTwigExtensions' => [
                ['onTwigExtensions', 0]
            ]
        ]);
    }

    public function onTwigExtensions()
    {
        $this->grav['twig']->twig->addExtension(new TwigReadingTimeFilters());
    }
}