Custom excerpt_more filter not working when
Clean/filter HTML inserted to post content by XML RPC
From the save_post Codex page: save_post is an action triggered whenever a post or page is created or updated, which could be from an import, post/page edit form, xmlrpc, or post by email. So, if you hook into save_post you can run your filter before save: add_action( ‘save_post’, ‘wpse_75871_save_post’ ); function wpse_75871_save_post( $post_id ) { … Read more