You can use the_content filter if you need to modify the content: add_filter( ‘the_content’, ‘cyb_content_filter_callback’ ); function cyb_content_filter_callback( $content ) { // Only for singular post views and for posts of main loop if( is_singular( ‘post’ ) && in_the_loop() ) { // modify $content here } return $content; } If you need an action that … Read more
OK, so let’s start with Codex: 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. The data for the post is stored in $_POST, $_GET or the global $post_data, depending on how the post was edited. … Read more
WordPress fires the updated_{$meta_type}_meta hook which fires after the metadata is updated. In your case, the hook would be updated_post_meta and you could have your function run on that hook instead of the save_post hook.
The cron arg usage looks weird. The insert id will return garbage by the time your function is called. By the same token, I believe better schedule it always, with the id argument, on insert, if this if for logging. Else you’ll be throttling your logs, basically. Lastly, are you sure that wp_mail() is working?
There are only three explanations for why this isn’t working: First, something could be unregistering your action. That doesn’t seem very likely, though. Second, your code never runs in the ajax initialization. Third, the wp_ajax_my_function_call hook never runs. I wouldn’t worry about the possibility of the first. As far as the second, just make sure … Read more
The action is not right after actually. There is get_header() call, then get_header action and then locating and loading template file that has wp_head() in it. I try not to mess with removing things from inside of same hook you are at, so in this case I’d (ab)use that get_header action to hook function that … Read more
You should be able to get the ID of the post through the $_POST variable. EDIT: Maybe you should try doing this on the save_post action, like so, but save_post sometimes runs on other instances (ie. Autosave Drafts), so you’ll want to do some more verifying. save_post will also return the ID as one of … Read more
The initial solution I’ve found is to tie a filter onto an action like wp_insert_post_data and extract other post information from the global $post object. // Tack our filter onto the wp_insert_post_data action add_filter( ‘wp_insert_post_data’, ‘my_appender’ ); function my_appender( $content ) { // Bring global $post into scope global $post; // Get meta value of … Read more
add_filter(“manage_{xxxx-xxx}_columns”, “cusotm_callback_fun02” ); is used to add the column itself to the list of columns for that post_type. add_action(“manage_posts_custom_column”, “custom_callback_fun01”); adds the actual content of the column per post.
That code must run before the wp_head hook fires or nothing will happen, and when tested in a mu-plugin file it does work. I suspect that you are trying to hook that function too late– perhaps from inside a theme template file after get_header (in most cases). Place that code in the theme’s functions.php or … Read more