Tagged Questions

0
votes
0answers
15 views

Front end form submission/processing, without using a template file

I'm writing a plugin which has a front end form that is generated by a shortcode. I'm struggling with processing the form submission in any way. Many tutorials describe placing form processing code at ...
0
votes
0answers
37 views

Trying to understand the action: save_post and an incomplete $post object

I begin with a fresh post (i.e., add New). I fetch (via Ajax) an image (read: src) from another site. In the process of saving (action: save_post) I want to PHP copy() the image to my local server and ...
0
votes
0answers
26 views

Strange / unexpected results with add_action('save_post')

As I'm sure plenty of you know already, 'save_post' will actually fire multiple times for a given save. Rather than copy / paste the same 12+ lines of code every time I need just a single fire, I ...
-1
votes
1answer
51 views

How to remove a class

Is it possible to remove classes from a plugin and add theme into to theme? I need to modify Woocommerce WP_Checkout class but I want to move it to my theme folder so if woocommerce will be updated ...
1
vote
1answer
28 views

Issue plugin commands in admin settings page

What is the right way to issue commands in wp-admin? My plugin imports data from a set of RSS feeds via a cron job. Thats all working good. I've set up a custom settings page to change parameters, and ...
0
votes
1answer
147 views

Where is the best place to use add_filter

Should I use the function add_filter In my plugin's init action hook or just the in the main plugin script? Since sometimes I found people is using filter all over the place and if I put in the init ...
0
votes
1answer
284 views

Using the 'draft_to_publish' hook (post status transition)

I am trying to use the draft_to_publish hook (http://codex.wordpress.org/Post_Status_Transitions) to run a function when a post that is a draft becomes published. This hook does not appear to be ...
0
votes
1answer
60 views

template_redirect not being called when using ajax

Usually I hook all my custom plugins code with the template_redirect hook but one of the issue I encountered is it does not work for the ajax call. So if I want to target both standard calls and ajax ...
2
votes
1answer
137 views

How to redirect to action on custom page within admin section

Currently I'm developing(well at least trying to;) plugin which will handle custom gallery of images. I stumbled upon one problem though. I'll try to picture it. I've created custom menu page on ...
0
votes
1answer
34 views

How Can I Add Code To A Preexisting Function Without Editing it

This is what I am trying to do: Lets say I have a parent plugin, Plugin X, and a child plugin (an extension, whose purpose is to enhance X) Y. There is a function in plugin X that I wish to add ...
1
vote
1answer
436 views

How to use filter hook 'post_updated_messages' in coherence with action hook 'save_post'

I am trying to send out e-mail, SMS and IM notifications to group members of this WordPress website, whenever a WordPress page in their user group has been published/updated. I figured using the ...
1
vote
1answer
82 views

Valid filenames for add_action's first parameter

Some examples in WordPress' docs pass a filename to add_action rather than an action name. For example, add_action( 'load-post.php', 'callback' ); add_action( 'load-post-new.php', 'callback' ); ...
0
votes
1answer
197 views

Adding tables to dashboard pages programmatically?

I think that is not possible with some actions or filters, I know that I can do it just with html and using right css styles, and of course php to achieve what I need, or to write some minde actions. ...
4
votes
1answer
492 views

How to override existing plugin action with new action

I'm using a plugin. It has an action like this. add_action('publish_post', 'old_action'); function old_action($pid) { "code goes here" } } I'm writing a module for this plugin. So i need to ...
0
votes
1answer
392 views

Getting admin notices working for plugin errors

I'm beginning with creating plugins and I don't quite understand the process of displaying error messages. e.g. I use the php readfile function to download a file from a hidden location. If something ...
1
vote
1answer
899 views

Hook to get image filename when it is uploaded

I want to get the full local filename of an uploaded image so that I can copy it to a new directory and process it with my own image processing scripts. Which hooks/actions should I look into to ...
2
votes
1answer
78 views

Which to use to execute code during the saving of a plugin settings page?

I'm writing a plugin with a settings/option page and I want some php code to be executed whenever someone saves the settings on that page and that page alone. Which actions do I need to hook into to ...
0
votes
1answer
162 views

Setting post_id for single.php based on URL without a redirect

I'm migrating a Joomla! database to Wordpress and the website has to remain exact regarding URLs. The Joomla site has its posts with .html extensions, and the importer I created maps the Joomla file ...
1
vote
1answer
547 views

When to load auto-login code?

I'm using this (simplified) code to automatically login users via a plugin for a single sign-on system: $user_info = get_userdatabylogin( $username ); $user_id = $user_info->ID; ...
3
votes
2answers
51 views

How can I limit functionality in one version of a plugin?

I am busy writing a plugin with a free version and a paid, Pro version. For our initial release of both versions, I want to keep things as simple as possible, so I would rather defer using a strategy ...
0
votes
1answer
395 views

Hook for page Request?

I want to run a function that looks at the current url params of the page that is requested and sets a cookie based on those params. So, I guess I'm looking for: The Wordpress Hook that allows me ...
-2
votes
3answers
102 views

Apply function on all action hooks?

Is there an easy way to apply a function on all action hooks? I want to apply esc_attr() to every action hook (in a way that would work from functions.php or a plugin). I figure I would need ...
0
votes
1answer
179 views

add action for displaying posts using a shortcode

I'm developing a simple plugin for letting a user insert a post from the frontend. I have a shortcode [add-post] which a user can put on any page, say, for eg. My Wall Page Now on My Wall Page a ...
2
votes
1answer
615 views

What action is called when drafts are saved?

I would like to add a metadata field to the current post based on a checkbox in a custom meta box to be able to toggle my custom plugin on a post by post basis. For this I coded the following things ...
2
votes
2answers
1k views

Which hook should be used to add an action containing a redirect?

I want to build a plugin that grabs certain url params from the query string to build a new query string for the same page. I'm following the excellent the Professional WordPress Plugin Development ...
1
vote
3answers
329 views

Good tools for locating hooks in a wordpress page/admin interface/blog post?

I've recently started using the Hikari Hooks plugin for Wordpress as it seems to allow you to get a good idea of what do_actions are being called on the page, so that you can easily find out where ...
1
vote
2answers
269 views

How to get all of the activate_plugin action parameters?

I am trying to hook into activate_plugin. I know that activate_plugin has 1 required param and 2 optional ones. I am trying to acquire all 3. Here's my setup: // create plugin settings menu ...
0
votes
1answer
143 views

Which are the hooks run before/after when a category's deletion?

What are the actions that a plugin can hook on to for processing when the user deletes a category?