This page redirects to an external site: https://developer.wordpress.org/reference/functions/the_author_ID/
Displays the unique numeric user ID for the author of a post; the ID is assigned by WordPress when a user account is created. This tag must be used within The Loop.
<code style="color: #000000"> <span style="color: #0000BB"><?php the_author_meta</span><span style="color: #007700">(</span><span style="color: #DD0000">'ID'</span><span style="color: #007700">); </span><span style="color: #0000BB">?></span> </code>
This tag does not accept any parameters.
Uses the author ID as a query link to all of that author's posts.
<a href="/blog/index.php?author=<?php the_author_meta('ID'); ?>">View all
posts by <?php the_author_meta('nickname'); ?></a>
the_author(), get_the_author(), get_the_author_id(), the_author_link(), get_the_author_link(), the_author_meta(), get_the_author_meta(), the_author_posts(), get_the_author_posts(), the_author_posts_link(), get_author_posts_url(), get_the_modified_author(), the_modified_author(), wp_dropdown_users(), wp_list_authors()