WordPress + wpForo + Slack

wordpress_wpforo_slack_plugin.php

<?php
    # add the following towards the end of wpforo/wpforo.php using plugin editor (before the final })

    add_filter( 'slack_get_events', function( $events ) {
            $events['wpforo_after_add_topic'] = array(
                'action'      => 'wpforo_after_add_topic',
                'description' => __( 'When a forum post is published', 'slack' ),
                'default'     => false,
                'message'     => function( $args ) {
                    $excerpt = wp_trim_words( strip_shortcodes( $args['body'] ), 55, '&hellip;' );

                    return sprintf(
                        /* translators: 1) URL, 2) post title, and 3) post author. */
                        __( 'New forum topic published: *<%1$s|%2$s>* by *%3$s*', 'slack' ) . "\n" .
                        '> %4$s',
                        $args['topicurl'],
                        html_entity_decode( $args['title'], ENT_QUOTES, get_bloginfo( 'charset' )),
                        get_the_author_meta( 'display_name', $args['userid'] ),
                        html_entity_decode( $excerpt, ENT_QUOTES, get_bloginfo( 'charset' ) )
                    );
                }
            );
            return $events;
    } );

    add_filter( 'slack_get_events', function( $events ) {
            $events['wpforo_after_add_post'] = array(
                'action'      => 'wpforo_after_add_post',
                'description' => __( 'When a forum post reply is published', 'slack' ),
                'default'     => false,
                'message'     => function( $post, $topic ) {
                    $excerpt = wp_trim_words( strip_shortcodes( $post['body'] ), 55, '&hellip;' );

                    return sprintf(
                        /* translators: 1) URL, 2) post title, and 3) post author. */
                        __( 'New reply on a forum topic published: *<%1$s|%2$s>* by *%3$s*', 'slack' ) . "\n" .
                        '> %4$s',
                        $post['posturl'],
                        html_entity_decode( $topic['title'], ENT_QUOTES, get_bloginfo( 'charset' )),
                        get_the_author_meta( 'display_name', $post['userid'] ),
                        html_entity_decode( $excerpt, ENT_QUOTES, get_bloginfo( 'charset' ) )
                    );
                }
            );
            return $events;
    } );
?>

Must have these 2 plugins to work:

• Slack
• wpForo