WordPress Version: 6.1
/**
* Gets the number of posts a user has written.
*
* @since 3.0.0
* @since 4.1.0 Added `$post_type` argument.
* @since 4.3.0 Added `$public_only` argument. Added the ability to pass an array
* of post types to `$post_type`.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $userid User ID.
* @param array|string $post_type Optional. Single post type or array of post types to count the number of posts for. Default 'post'.
* @param bool $public_only Optional. Whether to only return counts for public posts. Default false.
* @return string Number of posts the user has written in this post type.
*/
function count_user_posts($userid, $post_type = 'post', $public_only = false)
{
global $wpdb;
$where = get_posts_by_author_sql($post_type, true, $userid, $public_only);
$count = $wpdb->get_var("SELECT COUNT(*) FROM {$wpdb->posts} {$where}");
/**
* Filters the number of posts a user has written.
*
* @since 2.7.0
* @since 4.1.0 Added `$post_type` argument.
* @since 4.3.1 Added `$public_only` argument.
*
* @param int $count The user's post count.
* @param int $userid User ID.
* @param string|array $post_type Single post type or array of post types to count the number of posts for.
* @param bool $public_only Whether to limit counted posts to public posts.
*/
return apply_filters('get_usernumposts', $count, $userid, $post_type, $public_only);
}