Method by which plugins and themes extend core WordPress functionality.

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0
votes
1answer
22 views

Rewrite rule pagination on different url levels

I have a custom post type called shop with product posts in it. This post type is connected to a taxonomy shop-category, to specify a product section inside the shop. Each product has a item_width ...
0
votes
1answer
27 views

Show modified time if post is actually modified

I want to display post updated time only if post is modified, I am using function the_modified_time() . So I just read about that there is if statement that can be used to check if post is even ...
2
votes
0answers
28 views

__NAMESPACE__ with register_activation_hook

Im teaching myself namespaces and OOP in wordpress at the moment so bare with me. In the base of my plugin I'm loading activation and deactivation hooks. Currently the deactivation hook works but ...
0
votes
1answer
24 views

I need to hook and change language of facebook sdk

I need to hook into this function to change language to from en to french facebook sdk. $facebook_sdk_src = apply_filters( 'bimber_facebook_sdk_src', '//connect.facebook.net/en_US/sdk.js#xfbml=1&...
3
votes
2answers
38 views

Where to hook into post content?

Which hook or filter is used to edit the post content before the_content filter is applied to it. For instance, if I wanted to add Hello World, as the first text in every post.
0
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0answers
33 views

First hook to use current page post id

I'm trying to find the first hook that will pass the current post ID, as I would like to update the current post (by getting its ID) and the variables submitted to that page. This is the code I'm ...
0
votes
1answer
24 views

Multi hook deploiement

Having this : <?php class Planner_plugin{ public function __construct(){ add_shortcode('planner::display', array($this, 'display_planner')); register_activation_hook( ...
1
vote
0answers
67 views

disable active plugins for specific theme

I want to disable some plugins from a specific theme.I am using deactivate_plugins hook to deactivate. following is my code. add_action('wp_head','disable_plugins'); function disable_plugins(){ ...
3
votes
3answers
4k views

Check if action hook exists before adding actions to it

I am trying to add a rel=next and rel=prev link tags to the head element of image.php template file. I have Wordpress SEO installed and I like to hook to this plugin wpseo_head action hook to achieve ...
0
votes
1answer
25 views

After plugin activation hook

Does it OK, to send email (to me) after user activate my plugin? Does it a right way to do that (https://developer.wordpress.org/plugins/the-basics/activation-deactivation-hooks/) with hook? thanks
2
votes
1answer
44 views

add_filter() function misunderstanding

I'm studying the theme "one page" and there is the following code: function onepage_sections() { $sections = array(); $sections['service_section'] = array( 'id' => 'service_section', '...
0
votes
0answers
23 views

function to write the output of a variable + post_title in post_content

I have a function that writes the output of a function of a rand_keys + the post_title in post_content, but writing the title but only happens after I click manually on the update button on the post-...
0
votes
1answer
33 views

Adding bootstrap classes to video shortcodes

I want to make videos responsive... There is a function in /wp-includes/media.php file: line 2497: $html_atts = array( 'class' => apply_filters( 'wp_video_shortcode_class', 'wp-video-...
1
vote
1answer
33 views

Wordpress Hook that will run when media file deleted

I am very new in wordpress and I am currently developing a wordpress plugin, I just want to know if there is a wordpress plugin hook that will run when one or more file of wordpress media is deleted. ...
1
vote
1answer
31 views

Which hook is fired when inserting media into a post

I want to add numbering to each image when I insert them into the post. For example if I insert 3 images into a post, there will be: Image 1 Image 2 Image 3 I looked through the WordPress ...
1
vote
1answer
35 views

Order of Operation for these three hooks

What is the order of firing for these three hooks? add_filter( 'comments_array', array( $this, 'BuildCommentsArray' ), 10, 2 ); add_action( 'preprocess_comment', array( $this, 'write' ), 10, ...
0
votes
0answers
19 views

Run javascript code after “woocommerce_payment_complete” action hook

I am trying to fire custom javascript code after successful payment in woocommerce. Code that I use so far: add_action( 'woocommerce_payment_complete','mysite_woocommerce_payment_complete' ); ...
2
votes
2answers
2k views

Is there a hook for user activation (after they click the email confirm)?

Is there a hook for user activation (after they click the email confirm)? I am creating a plugin to automatically add them to my email software, but I want them to have to confirm their email first.
1
vote
1answer
19 views

Executing `createimagefrompng()` from save_post hook (or equivalent hook)

I'm having trouble executing createimagefrompng() from a hook. I've used the fairly straightforward PHP way to add a watermark to an image. If I hardcode the image URLs in this function and for ...
0
votes
0answers
19 views

How to cancel the trash action inside wp_trash_post

I need to restrict the button "EMPTY TRASH" and make it delete only the posts only if the logged in user is the creator. I tried to use the wp_trash_post and i need to decide in the function if i ...
0
votes
3answers
1k views

!is_admin() condition turns true in admin pages

I need users to redirect to login if not logged and once they are, redirect them to backend if they try to see front end pages. This is my code: add_action( 'template_redirect', function () { if(...
0
votes
0answers
28 views

I want to add values ​of a function in all posts in a particular category

I want to add values ​​of a function in all posts in a particular category, I get exactly what I want, but not the old problem appears in post_content(edit mode em dashboard) add_filter('the_content',...
17
votes
4answers
12k 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.
0
votes
1answer
106 views

Woocommerce change shipping method by hook

What I would like to do is to have a condition to pick which shipping method is used. For orders with total cost < 100 the shipping method should be 'regular' and for orders with total cost > 100 ...
3
votes
1answer
49 views

Remove action from plugin on other plugin

I'm trying to remove two of the actions that adds a plugin (sportspress specifically). The actions of this plugins are: add_action('sportspress_before_single_player','...
1
vote
3answers
137 views

Menu item added in wp_nav_menu_items filter is never highlighted

In a Twenty Thirteen child theme I append a menu item (a link to /player-number page template, where the number is different for each user and represents her or his id in a game database) using the ...
0
votes
0answers
11 views

Check If WooCommerce Product Downloadable From Edit Screen

I'm creating a plugin for WooCommerce and I want the metabox to show only when the "downloadable" checkbox is clicked. Are there any conditionals for this when dealing with the edit page of the ...
0
votes
2answers
72 views

Hook triggered twice in a Woocommerce single product page

I am trying to develop a plugin to extend WooCommerce and I would like to do something with the product id when I land on a single product page (e.g. store it in the database or store it in a session ...
0
votes
2answers
867 views

Ajax +wordpress onClick link redirect to new page and create html content

i have two pages in my wordpress plugin index.php charts.php in index.php i have some content and some link.. <a onclick="show_trend()" >Trend</a> while clicking this link ,i have ...
-1
votes
2answers
880 views

How to use the password_reset hook to validate new password and display error

When a user resets their password via the link in the password reset email, I know I can use the password_reset hook to get the user object and the new password. I want to validate the new password to ...
0
votes
1answer
21 views

'Conflict' with action deleted_post and is_admin()

I created a delete button on frontend for blog posts and custom type posts and I would redirect to a specific page after deleting them, I looked around on google and I found all solutions like this: ...
0
votes
2answers
2k views

using wp_footer hook in a plugin

I'm using the wp_footer hook into the plugin and it doesn't work, but when I copy the code to the "functions.php" file of the active theme it does work, what is the possible problem in this situation ?...
0
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0answers
26 views

pre_get_comments or the_content filter

I am learning wordpress deveplopment. I have a litle problem for understand how to use the right hook for add my code. In this case I have to ask... what is the best practice for show social icons ...
3
votes
1answer
458 views

Check php version before theme activation

I've got theme that requires php 5.3+ version. If older - fatal error occurs with it. So what I need to do when user try to activate this theme is to check php version before going into theme code ...
0
votes
1answer
145 views

Add “data-” attribute to image links

Is it possible to add an attribute and value to image links? I currently have: <a href="#"> <img class="img-responsive aligncenter wp-image-1286 size-full" src="#" alt="..." width="858" ...
0
votes
1answer
17 views

Use has_filter on comment_post

I hook to comment form (on comment_form_logged_in_after if user is logged in and comment_form_before_fields if not) to add 2 fields (rating and title). These fields can be mandatory or comment will ...
0
votes
0answers
17 views

Is There a Hook To Override a Category Page?

I have a few custom category taxonomys. I have custom meta values setup for all of these including a featured image. Is there a hook i can use to alter the content of the page in order to display this ...
0
votes
0answers
52 views

image_send_to_editor filter

I'm trying to achieve the code below, when using the normal default editor in wordpress. <div class="col-md-6"> <figure> <img class="alignright" src="/wp-content/themes/tna-...
0
votes
0answers
39 views

Remove taxonomy from wp_title_rss

I have a custom post type called "Episode" with a custom taxonomy called "Podcast" that i would like to change the RSS title for. Currently when looking at the rss feed for a specific episode it ...
0
votes
0answers
34 views

comment visible only for author post and admin and user comment

i have a custom post called "service" in this custom post i want a possibility to send proposal-comment by user. but i want this comment are visible only for admin + author of post + user that send ...
0
votes
2answers
65 views

Creating alternate meta box context locations

I am trying to create two additional add_meta_box context locations ('after_title' and 'after_editor') within posts. This doesn't appear to do what I think it should. The meta box does appear on the ...
0
votes
3answers
94 views

How to change the location of admin notice in html without using Javascript?

I am adding an admin notice via the conventional admin_notice hook in my plugin: function my_admin_notice() { ?> <div class="notice notice-info is-dismissible"> <p><?php ...
1
vote
1answer
91 views

Wordpress hook that gets featured image from direct URL?

I use a lot of plugins on my site so I'm trying to minimize the amount more plugins. I was wondering if there's a wordpress hook I can use so that I can use an image that is hosted on imageshack and ...
2
votes
2answers
395 views

Detect type of post status transition

I have a function on my site that it supposed to run when a new post is published (email push notification), with the exception of the same article updated (i.e publish_to_publish transition, I don't ...
0
votes
0answers
44 views

How do I output the returned value of a function that uses an earlier hook?

If I define a function that retrieves a value within an action hook and returns it, what is the best way to call the function in a later hook? My general aim is to write reusable functions with ...
0
votes
1answer
47 views

Custom button on custom taxonomy listing page

I want to have a custom button at custom taxonomy listing page. Please see the screenshot, I need a button so that I can export all my terms. I am not able to find any hook to do something like ...
0
votes
3answers
2k views

How do I add some javascript validation to the admin interface form's onsubmit?

I have a plugin that adds meta boxes to the admin interface and I need to do some validation when the user presses the "update" button before the form is submitted. Is there a WordPress action or ...
0
votes
1answer
41 views

Why the post ID is 0 in a hook within wp_insert_post_data?

I am having trouble getting the ID of the post in a function applied to the wp_insert_post_data filter. It is actually zero. To clarify I am getting the $postarr and the value of the ID field is 0. (...
5
votes
2answers
58 views

What hook do I use to edit the post statuses option in admin?

I want to restrict pending posts to only certain users in the admin section, so I want to remove it from the post status options when viewing all posts (the bit highlighted in red in the image below): ...
1
vote
1answer
41 views

WooCommerce add_action hook results in 500 error

I am trying to add a line of text on the checkout page of the store that will go immediately after shipping row. I added the following to my child theme functions.php file: add_action( '...