wordpress-activitypub/includes/base/class-transformer-base.php

<?php
/**
 * Inspired by the PHP ActivityPub Library by @Landrok
 *
 * @link https://github.com/landrok/activitypub
 */

namespace Activitypub;

/**
 * Base class to implement WordPress to ActivityPub transformers.
 */
abstract class Transformer_Base {
    /**
	 * Get the supported WP post_types that the transformer can use as an input.
	 *
     * By default all post types are supported.
     * 
	 * @since version_number_transformer_management_placeholder
     * @return string[] An array containing all the supported post types.
	 */
    public function get_supported_post_types() {
        return \get_post_types( ['public' => true], 'names' );
    }

    /**
	 * Get the name used for registering the transformer with the ActivityPub plugin.
	 *
	 * @since version_number_transformer_management_placeholder
     * 
     * @return string name
	 */
    abstract public function get_name();

    /**
	 * Get the display name for the ActivityPub transformer.
	 *
	 * @since version_number_transformer_management_placeholder
     * 
     * @return string display name
	 */
    abstract public function get_title();
}