Tagged Questions
0
votes
1answer
21 views
Correct method of redirecting user login
The popular membership plugin 's2Member' uses the wp_login action hook to wp_redirect a logged in user to where s2 deems appropriate. This causes a conflict with other plugins, in that other plugins ...
2
votes
1answer
32 views
Why do filters/actions require an argument count?
I was just looking at plugin.php trying to answer the above question and I couldn't work it out. The actual code that calls filters is this:
do {
foreach( (array) current($wp_filter[$tag]) as ...
3
votes
1answer
48 views
How to add a “publish” link to the quick actions
I'm trying to add a "Publish" link by the quick actions:
but I'm not exactly sure of how implement it.
Here's what I've got so far:
add_filter('post_row_actions', function ( $actions )
{
...
0
votes
1answer
30 views
Removing an action, or dequeueing style - Both not working
What I am wanting to achieve is to remove an action called inside of another action.
The action is calling a style, and although I have tried to deregister, and dequeue the style, it is still ...
1
vote
2answers
40 views
Replace a word with a word in the URL string
I'm trying to replace a word on every page for example "Denver" with a word from a URL string, so I'll have like ?city=Atlanta in the URL. So I was thinking of using PHP's GET to just get the city ...
1
vote
2answers
104 views
Trouble understanding apply_filters()
In apply_filters()
apply_filters( $tag, $value, $var ... );
I'm having trouble wrapping my head around the $value and $var. I read the codex and it sounds like the $value can be modified, $var not, ...
1
vote
0answers
24 views
Alternative to the filter comment_reply_link
I'm making a plugin and need to add a link to every comment on the front-end. I've used the filter comment_reply_link but that filter doesn't work when we're on the lowest level of threaded comments ...
1
vote
1answer
29 views
What is the purpose of $merged_filters?
Savvy WordPress user here, or at least trying to be. I have the hang of hooks and filters with the code in WP's plugin.php
The only thing I cannot seem to understand is the $merged_filters global. ...
0
votes
2answers
65 views
Action hook to control access to certain parts of my site
I'm searching for an action hook which I can use to control access to certain parts of my Wordpress site. I want to write some custom PHP which will check certain user attributes and decide if they ...
0
votes
1answer
199 views
Where is the best place to use add_filter
Should I use the function add_filter In my plugin's init action hook or just the in the main plugin script?
Since sometimes I found people is using filter all over the place and if I put in the init ...
0
votes
1answer
101 views
how “manage_posts_custom_column” action hook relate to “manage_${post_type}_columns” filter hook?
How add_action("manage_posts_custom_column", "custom_callback_fun01"); relate to add_filter("manage_{xxxx-xxx}_columns", "cusotm_callback_fun02" );?
How do they both work together? By using these ...
0
votes
3answers
54 views
Finding actual functions added to hooks and filters
I'm trying to figure out how to find the actual function that's assigned to hooks and filters.
I've been looking at other questions asked here and found a couple plugins that are helpful for findings ...
1
vote
3answers
79 views
When to use actions and when to use filters
I'm trying to understand where to use filters and where to use actions.
Suppose I have a query in a plugin, which later add on modules might modify to change the results of the query, thus modifying ...
1
vote
1answer
27 views
Which filter/action hook gets triggered after a query has been performed?
Is there an action or filter that gets called after an instance of WP_Query performs a query?
1
vote
1answer
60 views
How to debug removal of rewrite rule flushing?
I use Custom Post Types. I try this:
functions.php
add_action( 'admin_init', 'flush_rewrite_rules' );
Now I’d like to remove this again. I try this:
remove_action( 'admin_init', ...
4
votes
2answers
90 views
Valid characters for actions, hooks and filters
I haven't ever seen a tag such as do_action('something_10'). Is it invalid if I use numbers?
If the method is valid, how can I write different numbers in the tag string conditionally? For example, is ...
0
votes
1answer
71 views
Is there any action/filter hook to use when an image gets edited in the editor?
I can't find a specific hook. If I already have added an image to an article via editor and then I edit it, I'd like to intercept the code just before it is sent again to the editor.
I already use ...
0
votes
1answer
163 views
What filter or action hook to use in order to load some code before the template begins printing in BuddyPress?
I would like to load some code before the template begins printing in BuddyPress. What filter or action hook should I use?
I tried a number of them (such as bp_head, bp_include, bp_init), but none of ...
1
vote
1answer
107 views
Get list of registered or enqued styles? looking for filters or actions
Where can I get the list of styles about to be printed? What i want is to either filter the list, doing what i want with each, then return empty list. Or do an action that recieves the list, then i ...
0
votes
2answers
80 views
About Hooks and Filters
Well, am having a very hard time understanding the difference between Actions and Filters. I do use actions in my code, but am a rookie and I don't know even a slightest bit of Filters.
I have been ...
3
votes
1answer
174 views
Looking for a hook to add attachment information to the media library tab
I would like to be able to determine if an image has been attached to a post by looking at the collapsed viewmedia library tab. Is there's a hook I can use to add that data to this view of the Media ...
1
vote
1answer
476 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 ...
0
votes
1answer
59 views
What are the best practices for organizing actions and filters in themes? [closed]
I've seen some different ways people have organized setting up filters and hooks in themes and plugins. some do it like so:
before the function
add_filter('wp_mail_from', 'custom_mail_from');
...
0
votes
1answer
248 views
How to only hook on Single.php after content?
I am currently hooking on the_content() but that goes through the Wordpress loop too. How can I only hook on the Single.php page?
Also, is there a way to only look on the first X posts in the ...
1
vote
2answers
82 views
Too many actions/filters!
New to wordpress here. The concept of actions/filters in and of itself is not too difficult to grasp. What I am overwhelmed by is the HUGE amount of actions and filters available. When I am looking at ...
4
votes
1answer
324 views
How to change “Draft” string for status of custom post type to “Unavailable”?
ANSWER MOD: just an important mod to the chosen answer:
// check if you actually have drafts; also avoids extra '|' separator
if (isset($views['draft'])) {
// 'Drafts' should be added (and come ...
1
vote
1answer
83 views
Valid filenames for add_action's first parameter
Some examples in WordPress' docs pass a filename to add_action rather than an action name. For example,
add_action( 'load-post.php', 'callback' );
add_action( 'load-post-new.php', 'callback' );
...
4
votes
1answer
111 views
Store source permalink on XMLRPC calls
In a theme I'm developing, I need to link to the source post when the post has been stored using XMLRPC. That implies that every time Wordpress asks for a permalink (using get_permalink()) the theme ...
8
votes
1answer
1k views
Passing a parameter to filter and action functions
Is a way to pass my own parameters to the function in add_filter or add_action.
For example take a look in the following code:
function my_content($content, $my_param)
{
do something...
using ...
3
votes
1answer
69 views
How do I know if author field was changed on post save?
I'm writing a plugin that sends notifications on various post events.
One of the notifications should be sent when a post is assigned to a different author.
How can I know that the post author was ...
0
votes
1answer
201 views
Adding tables to dashboard pages programmatically?
I think that is not possible with some actions or filters, I know that I can do it just with html and using right css styles, and of course php to achieve what I need, or to write some minde actions. ...
1
vote
2answers
121 views
how to determine how many and what kind of arguments are passed to hooks
I am not able to understand a very logic behind add_action / add_filter
Consider following example:
function SearchFilter($query) {
if ($query->is_search) {
$query->set('post_type', ...
8
votes
4answers
1k views
remove_action or remove_filter with external classes?
In a situation where a plugin has encapsulated its methods within a class and then registered a filter or action against one of those methods, how do you remove the action or the filter if you no ...
0
votes
2answers
1k views
How can I edit post data before it is saved?
I have a plugin and I would like to be able to run the post content through some filters before it is saved to the database. From looking at the plugin api, I see that two hooks that look like they ...
-2
votes
3answers
102 views
Apply function on all action hooks?
Is there an easy way to apply a function on all action hooks?
I want to apply esc_attr() to every action hook (in a way that would work from functions.php or a plugin).
I figure I would need ...
2
votes
1answer
418 views
Better way to enforce category hierarchy in post_categories_metabox?
The objective is to ensure that when editing a post, the metabox that lists a hierarchical taxonomy doesn't reorder itself upon Update to put checked items on top.
Right now, edit-form-advanced.php ...
1
vote
2answers
62 views
Same Conditionals Not Working on Two Different Hooks
Everyone!
I am new to WP and trying to build a plugin. I have the following codes working properly:
add_filter('the_content', 'say_hello');
function say_hello($content){
if(is_single() || ...
0
votes
1answer
103 views
output custom Posts on a Page
I'm trying to write a function that will output a set of posts on a page. Because I want to display more than just the post titles, wp_get_archives() won't do (I think). The function to add the post ...
3
votes
3answers
808 views
How to publish a post with empty title and empty content?
Why I'm doing this you might ask? I'm developing a website for a business with a portfolio where the gallery items are posts. These posts are populated through custom fields and category selections, ...
3
votes
3answers
1k views
How to correctly get post type in a the_title filter
I want to prepend text to the post titles of a specific custom post type, but the filter below didn't work. Instead of changing only that CPT's post titles, it changed all titles on the given CPT's ...
0
votes
1answer
54 views
Is there a way to figure out which action/filter invoked a function?
I'd like a lightweight way to figure out what is invoking a certain action in an effort to provide logic for certain scenarios where I can't help to avoid a function invocation (for example, a new ...
1
vote
1answer
562 views
What is the very earliest action hook you can call?
After the solution to this question was to get a function to launch BEFORE the init action is fired by taking the sequence out of its function, it got me thinking, is there any earlier in the WP load ...
4
votes
2answers
883 views
Earliest hook to reliably get $post/$posts
What's the earliest possible action I can hook into where I'll be able to access the global $post/$posts variables on both the front and back ends? I've tried looking through the Codex reference, Adam ...
0
votes
1answer
233 views
Fix warning: Missing argument
i want to submit a theme to the wordpress.org. when i put the define('WP_DEBUG', true); in my wp-config.php. my theme showed some errors.but i don't know how to correct theme.
Q1:Warning: Missing ...
5
votes
3answers
1k views
How to know what functions are hooked to an action/filter?
Is there a way to know what functions are hooked to a particular hook? For example if I'd like to know what functions are hooked to the wp_head hook.
Thanks in advance.
1
vote
2answers
297 views
How to track post number on the_loop
I have a need to customize some posts from the loop.
Here's the deal: My site is set to 10 posts per page.
On post #2,#5, #7 (on every page), I want to display specific background.
What's the best ...
0
votes
1answer
247 views
Edit post image attributes on fly?
Greetings, We can edit image attributes with this get_image_tag filter when we are adding images or with regex and filter the_content,but is there any similar filter or action that can we use to edit ...
2
votes
3answers
4k views
How to set custom cookies before output
What's a surefire way to check/set cookies before the php headers are sent? Is there an action or filter that would be the best place to hook a setcookie() function?
