Sindbad~EG File Manager

<?php

namespace PrestoPlayer\Services;

/**
 * Registers all blocks
 */
class Blocks
{
    /**
     * Register blocks
     *
     * @return Blocks
     */
    public function register()
    {
        global $wp_version;
        if (version_compare($wp_version, '5.8', ">=")) {
            add_filter("block_categories_all", [$this, 'category'], 10, 2);
        } else {
            add_filter("block_categories", [$this, 'categoryDeprecated']);
        }

        return $this;
    }

    /**
     * Give the blocks a category
     *
     * @param array $categories
     * @return array
     */
    public function category($block_categories, $editor_context)
    {
        if (!empty($editor_context->post)) {
            array_push(
                $block_categories,
                array(
                    'slug' => 'presto',
                    'title' => __('Presto', 'presto-player'),
                    'icon'  => null,
                )
            );
        }

        return  $block_categories;
    }

    /**
     * Give the blocks a category
     *
     * @param array $categories
     * @return array
     */
    public function categoryDeprecated($categories)
    {
        return array_merge(
            [
                [
                    'slug' => 'presto',
                    'title' => __('Presto', 'presto-player'),
                ],
            ],
            $categories
        );
    }
}