get_the_author_lastname() WP 1.5.0

Deprecated in 2.8.0. It is no longer supported and can be removed in future releases. Use get_the_author_meta() instead.

Retrieve the last name of the author of the current post.

No Hooks.

Return

String. The author's last name.

Usage

get_the_author_lastname();

Code of get the author lastname: wp-includes/deprecated.php ^{WP 5.2.2}

<?php
function get_the_author_lastname() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'last_name\')' );
	return get_the_author_meta('last_name');
}