BuddyPress Profile redirect

bp-redirect.php

<?php

function appp_redirect() {

	global $wp;
	$current_url = home_url( $wp->request );

	$string = apply_filters( 'ap3_bp_me_url', '/me/' );
	
	$me = stripos( $current_url, $string );
	
	if( $me !== false ) {

		$user = wp_get_current_user();

		if( $user->exists() ) {
			
			$url = str_replace( $string,'/' . bp_core_get_username($user->ID) . '/', $current_url );
			wp_redirect( $url );
			exit();

		} else {
			// instead of redirecting home, show login modal and refresh current page
			wp_redirect( apply_filters( 'ap3_bp_redirect', home_url() ) );
			exit();
		}

	}
}
add_action( 'wp', 'appp_redirect' );