[wp-hackers] Getting the name of the hook triggered

[Aaron Jorbin]

Check out the current_filter function -
http://phpxref.ftwr.co.uk/wordpress/wp-includes/plugin.php.source.html#l297


http://aaron.jorb.in
twitter: twitter.com/aaronjorbin


On Sun, Mar 25, 2012 at 7:49 PM, John Ellmore <jnellmore at gmail.com> wrote:

> Hi all,
>
> I'm writing a plugin for WordPress that enables notifications to be sent to
> a user upon on any given hook being triggered. The user will be able to
> specify which hooks they'd like to be alerted to. An example would be
> alerting a user when a post is published; the user would setup a
> notification (through an admin panel) for the "publish_post" hook and would
> receive a notification (via email, SMS, carrier pigeon, etc.) when that
> hook was triggered.
>
> In addition, each hook will be treated slightly differently; a "save_post"
> notification, for example, might also include information about that post.
> So the plugin will have code that is specific to each hook.
>
> The way I'd like to do it is as follows:
>
> <?php
>
> $listen_for = get_hooks_list(); // get the hooks to listen from database or
> option
>
> foreach ($listen_for as $hook) {
>        add_action($hook, 'my_plugin_handle_hook');
> }
>
> function my_plugin_handle_hook() {
>        // figure out which hook was triggered, execute the appropriate code
>        if ($hookname == 'save_post') do_something_here();
>        else if ($hookname == 'publish_post') do_something_else();
> }
>
> ?>
>
> Unfortunately, as far as I can tell, there's no way to determine the name
> of the hook that triggered an event. I'd really like to structure my plugin
> in a way that's extensible and allows other plugins to add custom
> functionality via hooks, but this issue is preventing me doing so.
>
> So, my question is: Is there any way to figure out the name of the hook
> that is triggering the callback? If not, any suggestions on how to
> structure my plugin in an extensible manner?
>
> Thanks!
> John
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