add_action('wp', function() {

if( is_author() ) {

global $authordata;

$user_ip = $_SERVER['REMOTE_ADDR'];
$meta = get_user_meta( $curauth->ID, 'wcpf-count', TRUE );
$meta = '' !== $meta ? explode( ',', $meta ) : array();
$meta = array_filter( array_unique( $meta ) );

if( ! in_array( $user_ip, $meta ) ) {

array_push( $meta, $user_ip );
update_user_meta( $curauth->ID, 'wcpf-count', '1' );

} } });