Don’t focus on serialized aspect of it. Retrieve data using appropriate API function. Modify the data. Save data back. WordPress APIs take care of serialization transparently, no need to mess with it directly.
I guess, there is no exact way of retrieving the time only when the post’s content is updated until you change the core functionality of wordpress and that might lead to some other issues. But here is a workaround I would like to propose here. You can retrieve the time/date only when content is updated … Read more
Add the following to functions.php when you are meddling and remove it after, or comment it out: function no_mod_wpse_136092($data,$postarr){ if (empty($postarr[‘ID’])) return $data; $old = get_post($postarr[‘ID’]); if (!empty($old)) { $data[‘post_modified’] = $old->post_modified; $data[‘post_modified_gmt’] = $old->post_modified_gmt; } return $data; } add_action(‘wp_insert_post_data’,’no_mod_wpse_136092′,10,2);
Getting meta content from get_next_post & get_previous_post
I believe if you specify ‘meta_key’ without a ‘meta_value’ it checks merely for the existence of the meta_key. I haven’t tried this but you might be able to specify a ‘meta_compare’ of ‘!=’ and some random value for ‘meta_value’ that you know would never actually be set as the value. $query->set( ‘meta_key’, ‘fieldA’ ); $query->set( … Read more
update_post_meta() not working in bulk option
how to echo/display the custom field value in specific custom field name?
Re-order posts inside tax query
wp_schedule_event not working
If you don’t want to use twentytwelve_entry_meta(); in the post loops that calls the date, category and adds that “This post was posted in” text itself, then you’ll have to remove it and re-write from scratch. 1A: Comments and Number displayed, refer to the comments_number function: http://codex.wordpress.org/Function_Reference/comments_number <?php comments_number( ‘No Comments’, ‘Comments: 1’, ‘Comments: %’ … Read more