get_the_author_posts() – Function | Developer.WordPress.org

Retrieves the number of posts by the author of the current post.

Return

int The number of posts by the author.

function get_the_author_posts() {	$post = get_post();	if ( ! $post ) {	return 0;	}	return count_user_posts( $post->post_author, $post->post_type ); }

Uses	Description
count_user_posts()`wp-includes/user.php`	Gets the number of posts a user has written.
get_post()`wp-includes/post.php`	Retrieves post data given a post ID or post object.

Used by	Description
the_author_posts()`wp-includes/author-template.php`	Displays the number of posts by the author of the current post.

Version	Description
1.5.0	Introduced.