A function is a sequence of program instructions that perform a specific task. It is packaged as a unit that can be used wherever the according task should be performed.

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197 views

I would like to use create a function in my custom plugin to tell WP to use a different header

I am well aware of the use of child themes for this. I know about get_header($name). I already understand the use of conditional tags. I want my plugin to remove the function: function get_header( ...
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1answer
1k views

Add a custom function to widget code

Hopefully, this is an easy question - I'm just a bit confused. I've got a custom widget with the usual structure: class My_Widget extends WP_Widget { function My_Widget() { // widget actual ...
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1answer
35 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( ...
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0answers
21 views

MPT Usage with NewsPaper WordPress Theme

I am using Multiple Post Thumbnail Plugin with NewsPaper WordPress theme Plugin Documentation: https://github.com/voceconnect/multi-post-thumbnails/wiki/Frequently-Asked-Questions Hello, I used ...
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1answer
32 views

wordpress ajax return 0

I'm tryng to set up a panel, this one The menu on the top calls different ajax functions in order to display a thumb. Clicking on the thumb you can see the details in the last box of the panel. I ...
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1answer
220 views

Customize default settings on new sites on multisite

As the title states i need an approach to change default settings when a new site is created on my wordpress multi site. I guess its easiest to keep the code in a mu-plugin but can a go about having ...
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0answers
45 views

Call to undefined function language_attributes(), add_action(), wp_header() and wp_footer()

Using a new theme for a Wordpress website I found yesterday in my error report that: Call to undefined function language_attributes() in header.php Call to undefined function add_action() in ...
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1answer
189 views

How to show product SKU on product page

I'm making a website and it seems that product sku is hidden from product page. I have found how to add it to the catalog (shop) page but I need it to show inside the product page. So far, by ...
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1answer
34 views

Regex works in regexr, but not if I filter content [closed]

I want to filter the content of everypost and add classes to my links depending on certain conditions. At the moment I just want to filter all href attributes from the content and change them. ...
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1answer
36 views

How to echo a plugin's function into a template?

I've tried checking for a similar question but couldn't find one. If possible please link me to this as I might be creating a duplicate. Anyways.. I am using a basic testimonial plugin (Clean ...
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1answer
63 views

Help finishing script to export WP user data when form submitted

I have been searching for a solution to export WP user data to another application once a form is submitted. There is an article on how to do this but I am too noob to to get it to work and am asking ...
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2answers
246 views

Always the Latest google jQuery instead of default Wordpress jQuery

Im using successfully the google CDN jQuery files instead of the built in files from Wordpress with the following code in my functions.php: function register_jquery() { if (!is_admin()) { ...
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1answer
31 views

How can I add an extra WooCommerce hook

In the standard WooCommerce template file content-single-product.php there is a set of hooks that control the way the page lays out in a series of blocks which are called by a series of hooks eg ...
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2answers
526 views

Changes doesn't show up on blog

I am using wordpress in my magento using Fishpig wordpress extension, i have created a functions in functions.php of my theme (though its full integrated, meaning magento theme is applied to blog) but ...
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2answers
3k views

why doesnt is_home() work in functions.php

I'm pulling in scripts.php through functions.php. this is in scripts.php but for some reason, wordpress isn't recognizing is_home(). i've tried resetting the query, but to no avail. Am I hooking into ...
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2answers
273 views

How to use WordPress (PHP) functions in AngularJS partials files?

I am using AngularJS to load a list of my WordPress posts, however I can not get any of my PHP functions to work with my partials file. I've tried using something such as search.php instead of ...
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0answers
40 views

List authors by first letter with letter per page

Currently I have this working with first letter of post title with letter per page. <div class="alpha_navigation"> <div class="inner_alpha_navigation"> <?php foreach ($letters as ...
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1answer
68 views

remove_action not working, even after changing priority [duplicate]

So one of the functions in my theme is: public function job_manager_job_filters_distance() { //Show some HTML } And somewhere else in the document lies: add_action( ...
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1answer
71 views

Error in theme check “ Found a translation function…”

I have used underscores to create a unique theme. I am getting theme errors (as identified by the WP Theme Check plugin) as follows: WARNING: Found a translation function that is missing a ...
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0answers
44 views

Fatal error: Call to undefined function wc_format_decimal() in class-wc-meta-box-product-data.php on line 996

I Get this error when trying to add a new product. If I refresh the products page, the new product will show up. I can make changes to the product information but the price never updates. It just ...
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1answer
146 views

Fatal error: Call to undefined function post_exists()

I am using the function in my own class as I am using other wordpress functions in it. I am unable to understand why it is not able to find the function while ide "go to declaration" point me to file ...
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2answers
28 views

Getting back a blank Wordpress site following functions code edit

I added some function code to the functions.php file of my child theme that has now set my entire site blank. Is the only way to get it back via cPanel and changing the theme back to the parent them ...
3
votes
1answer
1k views

Slugs as breadcrumbs for Pages

I´m trying to create a function that creates a breadcrumb trail of Page slugs outside of The Loop. These breadcrumbs show the path from the homepage to the current (sub)page. For example, on the ...
6
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1answer
158 views

Understanding Wordpress functions' naming conventions

Many Wordpress functions follow naming conventions, probably the most well known of these would be the the_*() functions, such as the_post(), used in The Loop. Obviously the is_*() family of ...
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0answers
40 views

Embed handler in custom field

I am trying to implement wordpress function wp_embed_register_handler() into a custom field. Using this instead of wp_oembed_add_provider(), for the urls I use do not offer oembed support. With help, ...
0
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1answer
80 views

Different body image backgrounds on different pages, posts and categories

I am trying to implement the ability to choose a different body background image to different posts, pages and categories. I am using Advanced Custom Fields to add an image field to every post, page ...
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0answers
16 views

function to add radio inputs that set custom fee

I'd like to add a custom fee to orders, and have that custom fee be chosen by the customer. So, under the 'Add to Cart' button, there should be a few radio inputs with set dollar amounts. By ...
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0answers
23 views

Override a __construct function in child theme

I'm trying to override a loop function in a child theme. I've tried a lot of things I found on google, but something fails, sometimes nothing change, sometimes I get a 500 error. This is the original ...
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1answer
29 views

Insert menu into theme location depending on user logged in/out status

I am using the Avada Theme from Themeforest and I have set up 2 menus under Appearances > Menu: menu-logged-in which contains a parent item (My Account) and then several child items; and ...
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1answer
25 views

custom post type does not working when adding in child theme function

I'm trying to register post type through child theme function.php but it does not working. However its working fine when i adding in the parent functions.php. add_action( 'init', 'testimonial' ); if ...
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1answer
33 views

Call to undefined function error in plugin

I wrote a function inside a class that gets a user's country from the IP address... function getcountry() { if (!class_exists('GeoIP')) { include_once("geoip.inc"); } if ...
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votes
1answer
18 views

I want to get product attirbute in the section below

I want to add product brand and weight which i have defined in attribute of product but it am using the <?php $weightvalues = get_the_terms( $product->id, 'pa_weight'); foreach ( ...
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0answers
18 views

How do I redefine wm_navigation() or wp_logo() within a theme that uses hooks?

What I want to do: Move the title of my website from it's current location to be in the "menu" div so that it is to the left of the menu/page list. Demo page: http://aaronmoore.me/visartsassignments/ ...
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0answers
85 views

How to get last order number in Woocommerce and insert next?

I am developing an offline product to retail. This will be sold by a distributor NOT through my website. I have an sequential order reference system based on woocommerce such as 152, 153 etc. I want ...
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2answers
35 views

It does not work concatenation in function.php

I want to put a variable between two tags, but it puts him out. This is my function: (function.php) /* traer thumb */ function item_thumb() { global $post; if (has_post_format('video')) { ...
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1answer
75 views

How to replace native comment_count with Comments Evolved aggregate count

What I Am Trying To DO I am using a plugin called Comments Evolved which aggregates comments that are tabbed from Faceook, G+, and WordPress native. I am trying to replace the native comments_number ...
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0answers
20 views

Add extra attributes to images via editor

Would like to allow editors to add: data-action="zoom" to image tag without them having to code it. Preferably from a TinyMCE button/menu. Example: <img class="alignnone wp-image-2438" ...
0
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1answer
40 views

How to list out all values from the get_body_class array

I am trying to list out all of the current page body classes. using the body_class function it gave me class="[body classes were here]" however I need to show these as plain text. I have tried the ...
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0answers
37 views

How can I make a function as sticky expired date post?

I want to edit functions.php to make a sticky post, the flow is post a post, clock will start and after 1 hours, the post will be disappear. Anyone can help me? Please. I have tried, I am really new ...
4
votes
3answers
3k views

Add class to menu items of one specific menu (nav_menu_css_class)

This code adds an extra class to all my menu items: add_filter('nav_menu_css_class' , 'special_nav_class' , 10 , 2); function special_nav_class($classes, $item){ $classes[] = 'btn'; return ...
1
vote
1answer
110 views

Remove css styles from specific page

I need to remove all theme (both child and parent) css styles from a singular page using functions.php in a child theme. Here's what I'm currently adding to the child's functions.php // import parent ...
1
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1answer
55 views

Modify custom field input data before creating a new post

I'm try to check input data before it is added to DB. For example: I have a custom post meta named book_isbn in post page. I want to make sure that this variable $_POST['book_isbn'] is valid before ...
0
votes
1answer
60 views

How to stop or remove an action being called inside a function of an extended class

The Problem I am trying to remove an JSON+LD block being added by a WordPress plugin called The Events Calendar. I believe it is being added by the function called: ...
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2answers
386 views

Highlight Current Tag in wp_tag_cloud

I'm in the middle of building a website and one of the pages will be a glossary. The first page of the glossary will display a list of all the words, which are custom post types assigned into a custom ...
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0answers
39 views

How to send Email to Dealer email id when order is cancelled woocoomerce

I am trying to send the mail to my Dealer which user has choose during checkout that your order is cancelled . I have prepared a system to which sends email when order is placed my code is ...
0
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2answers
138 views

Woocommerce checkout field maxlength, make input number field only (postcode)

I've been struggling with this for a few days now. What i want to do, it to limit the Postcode/zip fields to 4 numbers. So, to add a maxlength and a type="number" to those fields. Things i've tried ...
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1answer
42 views

Is there a way to add a class to non current menu item?

When using the wp_nav_menu function, the current menu item markup usually is like so: <li id="menu-item-19" class="menu-item menu-item-type-post_type menu-item-object-page current-menu-item ...
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2answers
131 views

Wordpress can't get jquery/unslider to work [Solved]

I don't know what I'm doing wrong... I'm using the starter timber theme... I'm trying unslider to work with my theme... indicated here is somehow a proof I did right in putting scripts from the ...
0
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1answer
90 views

How to get post category list as select in front-end?

I use widget plugin Getting the random post & URL via ajax. I want to add function, that allows users on frontend choose category, and than display random posts from this category. function ...
0
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1answer
38 views

Simple JS function Not Working

I have been trying to get a simple JS function to work for the longest while but its just not working. Console says "test is not a function. echo '<input type="hidden" ...