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function is not described

get_the_author_nickname() 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 nickname of the author of the current post.

  • See: get_the_author_meta()

No Hooks.

Return

String. The author's nickname.

Usage

get_the_author_nickname();

Code of get the author nickname: wp-includes/deprecated.php VER 5.1.1

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