the_author_posts()
Display the number of posts by the author of the current post.
Source
File: wp-includes/author-template.php
function the_author_posts() {
	echo get_the_author_posts();
}  Changelog
| Version | Description | 
|---|---|
| 0.71 | Introduced. | 
    © 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
    https://developer.wordpress.org/reference/functions/the_author_posts