Filters a user's last name before the user is created or updated.
$last_namestringwp-includes/user.php:2466wp_insert_user() * Filters a user's last name before the user is created or updated. * * @since 2.0.3 * * @param string $last_name The user's last name. */ $meta['last_name'] = apply_filters( 'pre_user_last_name', $last_name ); if ( empty( $userdata['display_name'] ) ) { if ( $update ) { $display_name = $user_login; } elseif ( $meta['first_name'] && $meta['last_name'] ) { $display_name = sprintf(Introduced in 2.0.3. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.