Email a member whenever their User Page (PMPro User Pages Add On) is updated - PMPro

my_pmpro_userpages_mail_member_post_updated.php

<?php // do not copy this line

/**
 * This recipe will email the member whose user page is updated, everytime it is updated with any information.
 * Thanks to @ShoboySnr and @webcreativeng for helping with this gist, and @JarrydLong for modifying further
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function my_pmpro_userpage_updated_send_email( $post_id ) {
 
    // If this is just a revision, don't send the email.
    if ( ( isset( $_REQUEST['action'] ) && $_REQUEST['action'] != 'editpost' ) || !is_admin() ) {
        return;
    }

    $the_post = get_post( $post_id ); //returns Post Object
    $the_author = $the_post->post_author; //returns Author ID
    $author_email = get_the_author_meta( 'user_email', $the_author ); //returns Author Email
    
    $post_title = get_the_title( $post_id );
    $post_url = get_permalink( $post_id );
    $subject = 'A post has been updated';
 
    $message = "A post has been updated on your website:\n\n";
    $message .= $post_title . ": " . $post_url;
 
    // Send email to member whose user page is updated.
    wp_mail( $author_email, $subject, $message );
}

add_action( 'save_post', 'my_pmpro_userpage_updated_send_email' );