AffWP Custom Meta Box Example

affwp_custom_meta_box_example.php

<?php
/**
 * Plugin Name: AffWP Custom Meta Box Example
 * Plugin URI: https://affiliatewp.com
 * Description: AffWP Custom Meta Box Example
 * Author: AffiliateWP, LLC
 * Author URI: https://affiliatewp.com
 * Version: 1.0
 * Text Domain: affwp-custom-meta-box-example
 * */
namespace AffWP\Meta_Box;

use AffWP\Admin\Meta_Box;

// Exit if the AffiliateWP plugin directory constant is not defined.
if ( ! defined( 'AFFILIATEWP_PLUGIN_DIR' ) && ! empty( AFFILIATEWP_PLUGIN_DIR ) ) {

    $msg     = __( "The AffiliateWP constant 'AFFILIATEWP_PLUGIN_DIR' must be defined." );
    error_log( $msg );
    $notice  = '<div class="notice notice-error is-dismissible">';
    $notice .= '<p>';
    $notice .= $msg;
    $notice .= '</p>';
    $notice .= '</div>';

    echo $notice;

    return;
}

require_once AFFILIATEWP_PLUGIN_DIR . 'includes/admin/class-meta-box-base.php';

class Custom_Meta_Box_Example extends Meta_Box implements Meta_Box\Base {

    /**
     * Define the name and id of the custom AffiliateWP meta box here.
     *
     * Optionally, you may define:
     *
     * $this->action:  The AffiliateWP action on which the meta box loads.
     *                 Defaults to the Overview page action, `affwp_overview_meta_boxes`.
     *                Example on Reports page, Referrals tab:  "affwp_reports_tab_referrals"
     *                 'affwp_reports_tab_' . $active_tab
     *                 
     *
     *                 Note that a corresponding `do_metaboxes()` must be called at the
     *                 location where this action fires in order for the meta box to show.
     *
     * $this->context: Define the context here. Defaults to `primary`.
     *                 Options are `primary`,`secondary`, or `tertiary`.
     */
    public function init() {
        $this->meta_box_name = __( 'Custom AffWP Meta Box Example', 'affiliate-wp' );
        $this->meta_box_id   = 'affwp_custom_meta_box_example';

        // Optional
        $this->action = "affwp_overview_meta_boxes";  // default
        $this->context = 'secondary'; // Options are `primary`,`secondary`, or `tertiary`.
    }

    /**
     * Define the content of the custom AffiliateWP metabox here.
     */
    public function content() {
        $this->my_meta_box_content();
    }

    public function my_meta_box_content() {
        _e( 'Here is some content I\'d like to share with AffiliateWP users!', 'affiliate-wp' );
    }
}

new Custom_Meta_Box_Example;