Changing the the_author_posts_link() hover title

Yes, it is, but you’ll have to use get_author_posts_url() (see Codex). The example in the Codex is (not my code): <a href=”https://wordpress.stackexchange.com/questions/337513/<?php echo get_author_posts_url( get_the_author_meta(“ID’ ), get_the_author_meta( ‘user_nicename’ ) ); ?>”><?php the_author(); ?></a> You could add your own title=”My Better Title” in that <a> tag to make it say whatever you like: <a href=”https://wordpress.stackexchange.com/questions/337513/<?php echo … Read more

How to use embed_content hook?

No, WordPress does not pass any arguments to the hook’s callbacks. And you can use that hook to display something after the embed excerpt is displayed. But this is of course, if the theme is using the default embed template for post embeds — with custom template, you could, if you want to, display the … Read more