Redirect BuddyBoss/BuddyPress Profile pages to PMPro Member Directory Profile pages.

my_buddypress_pmpromd_profiles_redirect.php

<?php // copy from below.
/**
 * Redirect BuddyBoss/BuddyPress Profile pages to PMPro Member Directory Profile pages.
 *
 * 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_buddypress_pmpromd_profiles_redirect() {
	global $pmpro_pages;

	// Bail if PMPro Member Directory Add On is inactive or profile page not set.
	if ( ! function_exists( 'pmpromd_build_profile_url' ) || empty( $pmpro_pages['profile'] ) ) {
		return;
	}

	// Bail if not a BuddyPress/BuddyBoss profile page.
	if ( ! bp_is_user_profile() ) {
		return;
	}

	// Get profile user ID.
	$profile_user_id = bp_displayed_user_id();

	// Bail if the user is viewing their own BuddyPress profile page.
	if ( bp_loggedin_user_id() === $profile_user_id ) {
		return;
	}

	// Get the profile user's ID.
	$profile_user = get_user_by( 'ID', $profile_user_id );

	// Get PMPro directory profile URL.
	$redirect_url = pmpromd_build_profile_url( $profile_user );

	// Redirect to PMPro directory profile.
	if ( ! empty( $redirect_url ) ) {
		wp_redirect( $redirect_url );
		exit;
	}
}
add_action( 'bp_template_redirect', 'my_buddypress_pmpromd_profiles_redirect' );