Hook add_attachment error
Hook add_attachment fires before images cropped via wp_ajax_crop_image(). That’s why WordPress trying to work with files, that is not existed for now.
actions
How to catch wordpress post ID when it’s published
To put it briefly, WordPress hooks let you modify parameters or output of functions (filters) or execute custom code when something happens (actions). Both types of hooks usually pass one or more arguments to the callback functions that are attached to them. During a page request WordPress goes through series of steps to get the … Read more
WordPress action – Pass arguments into action in an AJAX call?
You can’t pass arguments to wp_ajax_ callbacks. You need to pass the data via the data property of the AJAX request. Then you get those values with $_POST and pass them to a function: function newsletterSignupAjax() { $id = $_POST[‘id’]; $source = $_POST[‘source’]; /* Make sure to validate and sanitize those values. */ newsletterSignup( $id, … Read more
Prevent posts with certain post_meta to be edited
I think an elegant way to accomplish this would be to hook into map_meta_cap and deny users as though they do not have the capability to edit the post. This should also gate any other potential work-arounds, such as modifying the post through the REST API or direct POSTing. As an added benefit, it will … Read more
Add new users to “add new user” page on admin’s dashboard
Check out the source of wp-admin/user-new.php. You’ll see WP uses the function edit_user to create the user in the database. If you inspect the source of edit_user(), you’ll see the best candidate is a hook called user_profile_update_errors. We can use that with something like: function wpse_406364_save_nicename( $errors, $update, $user ) { if ( ! $update … Read more
Are there action hooks for comments?
In WordPress, almost anything is possible. It all depends at times how hard you want to work for it. 🙂 The Comment Post form of course uses HTTP POST to submit to /wp-comments-post.php so you could use that except for the NONCEs if you want to post unfiltered HTML. You’d have to write a page … Read more
Editing wp-config.php
Yes, the plugin can override it, use action, init with a function to disable it. for example add_action(init,’my_disable_revision’); function my_disable_revision () { define( ‘BP_DEFAULT_COMPONENT’, ‘profile’ ); }
comment_post callback function: how to run it in the background.
If you’re sending a redirect, then you can also just close the connection early and continue processing. wp_safe_redirect(‘http://example.com’); header(“Content-Length: 0”); header(“Connection: close”); flush(); do_something(); // continue processing whatever, user is already redirecting by now Reference: http://www.php.net/manual/en/features.connection-handling.php#104541 Read those user comments carefully, there’s some caveats there.
problem loading stylesheets to wp_head dynamically
While your code is a bit messy, I think the one thing that is breaking it is the wp_enqueue_style you’ve got there. The second parameter “10” just shouldn’t be there.
Hook for page Request?
// Kick in right before theme takes over, when WP is all loaded add_action(‘wp’, function(){ list($uri, $qs) = explode(‘?’, $_SERVER[‘REQUEST_URI’]); // Do stuff here: // … STUFF … }); Cheers!