Method by which plugins and themes extend core WordPress functionality.

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0
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1answer
185 views

get_the_post_thumbnail not working inside wp_get_nav_menu_items hook

if ( ! is_admin() ) { add_filter( 'wp_get_nav_menu_items', 'display_last_posts_for_menu_item_ts', 10, 3 ); } function display_last_posts_for_menu_item_ts( $items, $menu, $args ) { $menu_order = ...
1
vote
1answer
71 views

Wordpress capabilities and restricted categories access

I've a Wordpress blog to share content with some people only. Users has to login to access this website. I created new roles and new capabilities on this blog. I've got some articles which belongs ...
0
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0answers
93 views

Hook before & after plugin / core update

I'm working on a maintenance plugin for my website and I want to enable it before plugin/core upgrade starts and disable it after plugin/upgrade ends. Any ideas ? Thanks! :) PS: all I know is I can ...
1
vote
0answers
914 views

How to set a custom path, for ajax image upload folder in admin?

I am coding my first Wordpress plugin that handles some data for a custom (shop-like) post type. It also has an image uploader within a metabox, where you simply drag in your images and it ...
0
votes
1answer
26 views

Which method to use when deleting posts from the front-end

I am trying to enlist all my posts on the front-end along with delete and edit links (using the shortcode API). I am having difficulty with the delete links. To me the most obvious way to handle ...
2
votes
4answers
1k views

Filter specific shortcode output?

Is there a hook in WordPress that I can use to filter the output of a specific shortcode? Something like this: add_filter('shortcode_output', 'my_filter_function', 2); function my_filter_function ( ...
1
vote
2answers
61 views

apply_filters/do_action tag characters limit

Does apply_filters/do_action $tag name have a characters limit? Can be any problems if the tag name is way too long? I ask this because I know that WP transients have a limit of 45 characters. FYI, ...
0
votes
1answer
106 views

Add_menu_page() error message -> “You do not have sufficient permissions to access this page”

I'm currently building a website for a friend and have assigned him the user role of editor. I don't want to give him an administrator role in case he breaks the layout. Anyway, I am using ...
-1
votes
2answers
481 views

How to pass hook variable to function?

I have a function that has an add_action inside it that calls the user_register hook. I would like to be able to echo the variable $user_id from the user_register hook and the $_POST array as well. ...
0
votes
1answer
307 views

get_post_meta not working inside a function in functions.php but works outside

function notify_new_posts($post_id) { $keyval = get_post_meta( $post_id); $buyer_wdistance = get_post_meta( $post_id, 'cf_wdrive'); //$buyer_wdistance = $keyval['cf_wdrive'][0]; ...
1
vote
1answer
30 views

How to modify how the_content outputs a link to an internal page

I like the default add link dialog in the wordpress editor. IT allows for easy linking to internal pages. I need to modify the output of those internal links. Right now its outputting: <a ...
4
votes
2answers
625 views

Is there a hook to put stylesheet and/or JS inside iframes (thickbox or tinyMCE) in admin area

I'm working on my admin area theme and I wanted to make some modifications on the way the thickbox and tinyMCE looks. I could make most of the changes through adding custom stylesheets and JS to my ...
0
votes
1answer
66 views

Retrieving post ID from current page

I am following the tutorial here. Wordpress Ajax is a bit complicated but this tutorial helped me out a bit. The only question I have is, when I view any page, I want to be able to get the current ...
0
votes
1answer
50 views

$wp_query when new WP_Query

I'm trying something but I have an issue with WP_Query. I've an Hook on the_post in order to add some variation on the query. add_filter('the_posts', 'query_variation'); function ...
2
votes
1answer
1k views

Which hooks is this? add_action('wp',

I have seen it here: wp_schedule_event Code snippet: add_action( 'wp', 'prefix_setup_schedule' ); I couldn't find this hook anywhere in documentation, how does it work?
2
votes
1answer
125 views

Security around save_post hook

There are a lot of examples using the save_post hook, that include adding and verifying a nonce, and checking the user has appropriate permissions before you continue. Is this necessary? When ...
0
votes
3answers
70 views

register_deactivation_hook argument -> pass arguments in the selected function

I've been looking for minutes how to pass arguments in the register_deactivation_hook as follow : register_deactivation_hook( __FILE__, array( new Cpt, 'delete_cpt') ) ); class Cpt { /** * ...
2
votes
2answers
397 views

Add site options UI in Multisite Sites > Infos page

I want to add meta fields for the sites in my network (such as a thumbnail and a category). I know how to do this using get/add/update_site_option, but I'm wondering where I could put the UI to manage ...
1
vote
1answer
33 views

Howto check version of another plugin and then add a submenu page to it

i'm writing a plugin which requires another plugin. So i have to check first if the other plugin exists in a correct version. If yes i want to add a submenu page to the plugin page but here my code ...
0
votes
2answers
311 views

How to hook into the quick edit action?

I found this solution to automatically assign parent terms when a child term is selected, which is working fine for the save_post hook: add_action('save_post', 'assign_parent_terms'); function ...
0
votes
1answer
176 views

Hook into $wpdb

Is there a way to hook into the WPDB instance ($wpdb)? What i basically want, is to execute a own function BEFORE the desired query get's executed. Is this possible? Additional question for comment ...
-1
votes
1answer
516 views

WooCommerce New customer email Hook? [closed]

I've created a sign up page for new customers to create an account. This is working fine but I would like to hook into WooCommerce customer_new_account inside ...
0
votes
0answers
28 views

Meta query not working with pre_get_posts

This works $q->set('meta_key', 'available-date_%_from'); $q->set('meta_value', '20140701'); This doesn't $q->set( 'meta_query', array( array( 'key' => 'available-date_%_from', ...
7
votes
2answers
7k views

Is there a hook that runs after a user logs in?

I am writing a plugin that fetches some extended user info from a remote service and I need it to execute its function each time a user logs in. Is there a hook that gets fired after login that I can ...
0
votes
1answer
31 views

How to hook watchdog script for existence of a WP page?

I would like to have a watchdog script which checks the (un)availability of a certain DB entry, namely a certain WP page. The script itself is absolutely independent from WP and not difficult, but I ...
2
votes
2answers
521 views

Run javascript code after wp_login hook?

After using the wp_login hook, is it possible to add a snippet of javascript code to the page seen immediately after the login in wordpress? I want to use this top implement a notification system ...
0
votes
1answer
79 views

Removing action from template class

I'd like to replace an action in a theme with my own version in a child. In this case, the theme hooks into wp_head to add it's own links. My own functions.php resides in the child theme and looks ...
0
votes
0answers
18 views

check_admin_referer always false when I use on add_action('load-'* hook

I have try to add hook on load my plugin page. But every time i save my config, it always return "Are you sure want to ..." message. Is there something i missed? Here's my code: <?php class ...
0
votes
0answers
81 views

Using 'add_attachment' to add taxonomy term on upload completion?

function amend_gametitle_upload( $game_title ) { global $post; if ( isset( $_REQUEST['post_id'] ) ) { $post_id = absint( $_REQUEST['post_id'] ); $post_obj = get_post( ...
0
votes
1answer
99 views

Get new (not old) post inside transition_post_status hook

Following up the ticket 'transition_post_status' is executed before 'save_post', I'm still struggling how to access the new $post (after it has been saved) inside a transition_post_status hook. Right ...
0
votes
0answers
60 views

Checking if some condition is matched before inserting post into database

Is there a way to check if some requirements are matched before adding new instance of custom post type to database? Like custom policies for adding new posts etc? What I want to do is to build two ...
2
votes
1answer
249 views

How and why can a hook call itself without causing recursion?

When looking in WP hooks' code, I often see hooks that call themselves. For example, this snippet from image_downsize(): function image_downsize($id, $size = 'medium') { if ( ...
0
votes
0answers
15 views

Ask for template when adding a new page

I would ask the admin which template they would like to user when they click on "Add New" Page. Is this possible? I think I have seen something similar before where it ask you how many columns you ...
0
votes
1answer
73 views

Dynamically Generate Functions and Hooks

I'm trying to find if it's possible to dynamically generate functions and hooks. All functions do the same thing, and all hooks are essentially the same. Here's an example of a hook/function combo: ...
0
votes
1answer
21 views

Hook on creating a menu entry?

I need to run some code after a new item has been inserted into a WordPress nav menu. Is there any hook on menu modification or something similar?
0
votes
1answer
49 views

Is there an action hook that fires just before a template is loaded?

I'm looking for an action hook that occurs just before a template is parsed but AFTER the query has run and the variables are present. So if it's going to run index.php, just before it starts reading ...
0
votes
2answers
47 views

How do I prevent term from being created on create_term hook?

I have a function working on 'create_term' hook, I'm trying to prevent the term from being created on certain situations, I've tried return false; But that didn't do much, how do I prevent the ...
0
votes
1answer
155 views

How to get menu location in wp_update_nav_menu hook

I want to get the menu location in the wp_update_nav_menu (during menu save action) add_action('wp_update_nav_menu', function ($id, $data = NULL) { error_log( var_export($data, true) ); ...
0
votes
1answer
58 views

How do I grab specific posts (by post id) and display the title, featured image, and excerpt?

I'm trying to help a friend get his site in order and he wants me to swap out the "services" posts on the front page with 4 specific posts. Thing is, I don't know the right way to do this dynamically. ...
0
votes
0answers
59 views

register_activation_hook not working with symbolic links

I'm writing my first own Wordpress plugin. It's working great so far, except that now I need to create a few DB tables upon plugin activation. So I put register_activation_hook( __FILE__, ...
0
votes
0answers
27 views

Edit default action for profile_personal_options

Is there a way to edit the pre-existing action attached to the profile_personal_options hook that is built-in to WordPress?
0
votes
0answers
111 views

Get the menu name or location of current menu item

I am having a hard time trying to get the name of the active menu and, apparently, I cannot find any solutions to this issue. Basically, I have several menus that follow this pattern: Menu Name ...
0
votes
1answer
88 views

Using actions, hooks and filters in a non-WordPress page

I have a php script that sits outside of wordpress, but loads WP core with wp-load.php. Here is my basic page: <?php define('WP_USE_THEMES', false); global $wp, $wp_query, $wp_the_query, ...
1
vote
1answer
62 views

how to customize rss feed tags using hooks?

My RSS feed is displaying an XML tag which I either want removed, or emptied. The tag in the XML looks like so: <wfw:commentRss>remove/this/uri</wfw:commentRss> I have never used hooks ...
0
votes
1answer
26 views

get categories the post was in and just been removed from

I have a function hooked to the save_post hook. this function is mostly concerned with the categories that the post is in. My function does the following: function post_save_hook($post_id){ ...
0
votes
0answers
67 views

How to hook new args into a Custom Menu Widget?

I am trying to add some code before the list items in a sidebar Custom Menu Widget. Maybe I'll add an image, maybe I'll add some text. Not sure yet. But I'm having a hard time trying to figure it ...
0
votes
0answers
27 views

How to get WP to run plugin code triggered by an external site hook?

I have written a plugin to sync data from a WP blog to an external website. Changes to made to the external site also sync back to the WP blog. Right now the external website executes a POST request ...
0
votes
1answer
125 views

Display_rows() and column_cb() strange behaviour

I found a strange behavior of my functions. I thought to pass the id from display_rows() to column_cb(), but the problem is that the program passes only the first digit. Any hint? column_cb(): ...
0
votes
1answer
102 views

Hide H1 Title using the_title filter

I am trying to hide the pages H1 header IF a custom field specifies this. On a page back end I have added a custom field: Name = hide_title Value = true I then want to hide only the H1 using a ...
0
votes
0answers
22 views

addaction hook cause redirection problem

I have added the hook in my wp functions: add_action('pa_taxname_edit_form_fields', 'woocom_edit_attribute_chk_field', 10, 2); function woocom_edit_attribute_chk_field($term, $taxonomy) { ...