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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38 views

Restrict Editing by Category

I've tried every possible user role plugin for this, but each of them no longer work with the latest edition of Wordpress (Role Scraper, Restrict Categories, Advanced Access Manager, etc). If a plugin ...
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2answers
205 views

Possible to register multiple custom taxonomies in one function?

I'm registering 7 custom taxonomies in my functions.php. Since each function uses the same labels and arguments and is attached to the same Custom Post Type, I'm wondering if it's possible to register ...
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0answers
25 views

Custom function to add a secondary logo

I'm looking to create a custom function in order to be able to change/load a new image from the "customize" panel (this because I won't be the one who manage the website, so I'm trying to made things ...
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0answers
23 views

Rotate image media item 90° anti/clockwise ajax front end function?

Is there a rotate image function that I can create a button on the front end of my website, using ajax inconjuction with the id number of the media item? I'm thinking having 2 buttons, rotate left ...
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2answers
32 views

Assign category a default post type

This one has been bothering me for a few days now, so I'd really appreciate any help you can give me. Problem overview: I have a plugin which automatically creates a post and assigns the category ...
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1answer
58 views

Shortcode to get featured image of specific id post

So I'm trying to create a shortcode to get specific id and its featured image to display it in a specific page. I want to use shortcode to make it easier for the user to add any post in this page. ...
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vote
1answer
1k views

Remove wp-mediaelement.css from wp_head

I´m customizing the new core audio/video player via CSS in my styles.css. I tried to remove the wp-mediaelement.css with the following code in functions.php, because I don´t need it anymore. function ...
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0answers
36 views

Modify shortcode to work with custom taxonomies and slugs

I am using this code which works fine with posts but I am looking to modify it so that the user can specify in the shortcode: custom post type name taxonomy name slug of taxonomy category For some ...
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1answer
105 views

Calling the first & last post by category in custom post type

I have custom post type for comics, called “comic” and have written a basic comic navigation. First —previous — (current) title — next — and last comic. In functions.php, this code calls for the ...
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0answers
48 views

Override A Plugin Variable And Function Via Functions.php

Is it possible to override a variable in a plugin function without altering the plugin? The closest thread I found to answer this problem is this one : Pass A Value From Outside To A Plugin Variable ...
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1answer
2k views

Set posts of a custom post type to be private by default?

Say I created a custom post type called 'Private Posts' ($post_type = itsme_private_posts) and want all posts under the custom post type to be set to 'Private' automatically when published i.e. by ...
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1answer
212 views

Fatal error: Call to undefined function add_action() - an untouched problem

The question was asked many times in many ways, but unfortunately is not covered well in most of the answers. I'm having the same issue doing things using include-files. In my TwentyFourteen child ...
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1answer
52 views

Can't wrap my head around this function - any help would be appreciated

OK so I am working on a theme that utilizes the customizer a lot. When you change a color for example, the necessary css gets added to the header, but when you click default, the css with the default ...
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1answer
31 views

Toggle User Roles with button

I don't know if this is possible, but I've got two user roles: Hero and Legend. When people subscribe to my website, they're assigned the Hero user role. I would like to be able to toggle users to ...
5
votes
4answers
4k views

Passing arguments to a admin menu page callback?

Situation: I'm working on a plugin and I'm developing it as a class, everything worked fine until I run into this situation. I wanted to make things a bit cleaner and tried this.. class MyPlugin { ...
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3answers
429 views

How to override core is_ssl() function?

I am looking to override a function in functions.php through a theme or plugin. Specifically, is_ssl(), which does not have any filter or action hooks. Obviously, the easy why would be to update ...
0
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1answer
19 views

Must filter functions receive all arguments passed to them?

I'm writing a filter function to redirect logins: function my_filter_func( $redirect_to, $requested_redirect_to, $user) { // My code. } add_filter( 'login_redirect', 'my_filter_func', 10, 3 ); ...
2
votes
1answer
385 views

Changing post category from dropdown

I am showing a list of posts on the front of my wordpress site which each have a dropdown next to them with a list of category's, which are pulled in as follows. As you can see the form submit button ...
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1answer
15 views

Hiding all posts/products/pages from a site based on a custom taxonomy/domain name

I'm working on a site that's running Domain Theme Mapper (http://codecanyon.net/item/domain-and-theme-mapper) with WooCommerce to present two sites with two different child themes... that share a ...
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1answer
46 views

Styling admin page rows in order of importance (checkboxes)

I am altering a plugin's admin area and adding a checkbox for a "Coming Soon" option. As of now, when the user checks the "Coming Soon" checkbox, the entire row will turn green, but there is also the ...
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1answer
83 views

wpautop - disable <br> tags, keep <p> tags

I write My articles in Emacs and they end up having tons of newlines, with double newlines to separate paragraphs. Ideally, I want wordpress to work like markup does, meaning it ignores single line ...
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0answers
35 views

Load a Child Theme's style.css just before the closing </head> tag

I have this in functions.php: <?php /* Import parent style - The new standard Wordpress way - No @import in CSS! */ add_action( 'wp_enqueue_scripts', 'theme_enqueue_parent_styles' ); function ...
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1answer
89 views

Custom Taxonomy Select Menu: Setting default option value?

I'm creating a series of select drop down menus that pull data from various taxonomies. I got this PHP script working for a WooCommerce attribute of color: function get_color_dropdown($taxonomies, ...
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2answers
65 views

Load CSS conditional on custom field is present

In my functions.php I would like to enqueue a CSS file conditional on whether a custom field exists on the page or custom post type. How should I go about this? function flatsome_scripts() { ...
3
votes
1answer
801 views

Check if post is being published for the first time, or is an already published post being updated

I am building an add-on to an events module that checks for availability, since there wasn't a function for that in that module. Now that I have built the logic, there are three emails I will need to ...
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1answer
38 views

Assigning WP functions which echo to PHP variables

I am creating a settings page. If I use the default example it works fine. <form method="post" action="options.php"> <?php if(isset( $_GET['settings-updated'])) { ?> <div ...
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1answer
26 views

Child theme - overriding add_image_size by a child theme [duplicate]

I am trying to get my child theme to work and to overide one line of code in the main theme functions.php but I can not getting to work since I am totally green in php. In my main theme functions.php ...
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1answer
44 views

Usage of theme name in functions

I've been studying some functions.php files to get my head around theme development, and I keep stumbling upon a reference to the theme name inside functions. Something like this: <?php ...
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1answer
37 views

Split single-review.php to two parts

I have a created a new page template which I want to use for my custom post types as well. I need to retain the existing format of my old custom post types but for any new custom post types, I want ...
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2answers
34 views

Do not add content filter on page template

I do not want to have a function loaded by my theme on a page template. Is this the correct syntax? What does 99 mean here? add_filter('the_content', 'oswc_formatter', 99); Could I apply the ...
0
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1answer
91 views

Modify shortcode to work with custom post types

I have this shortcode which works fine with posts but I need to modify it to take arguments for custom post type and custom taxonomy. <?php // [blog_posts] function ...
0
votes
1answer
59 views

Trying to get property of non-object in: $wp_query

I've this function at functions.php file: function custom_secondary_nav( $menu_name, $id = '', $menu_title = '' ) { global $wp_query; // others stuff goes here if ...
0
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1answer
32 views

WordPress HTML Helper

I've played recently with WordPress Hooks and I've noticed that in order to create layouts based on the hooks the main practice is to use html in functions and combine them with logic. I've searched ...
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2answers
34 views

Changing the color of post title [closed]

Alright I am starting a music blog and I am working hard at coding up this theme but I am wondering why I can't do this successfully within WordPress when I know for sure it's possible. Alright so ...
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1answer
23 views

Modify sub_menu function to show pages below a specifically set page

I've got a function that ties in to wp_nav_menu that shows sibling pages for the currently viewed page, as well as any children pages. I need this modified to only show the children pages of a ...
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0answers
29 views

“View Gallery” Button to open post gallery

I want to create a "View Gallery" button which opens the gallery attached to the post. I have tried: <div id="gallery-1" class="gallery"> <a class="attachment-thumbnail" ...
0
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1answer
17 views

Figure inlined width trigger distorted layout

I recently changed my theme to completely new one (fresh), and all my post images suddenly started to break my layout. When I inspect code all images and loaded content that are wrapped in 'figure' ...
237
votes
108answers
114k views

Best Collection of Code for your functions.php file [closed]

Please vote on the question and any answers you find useful by clicking on the UP arrow on the left hand side of the question or answer. As with many others who are now viewing this post, I have been ...
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0answers
29 views

Add custom class to all URLs on entire site

I have a mobile touch script which uses the class "tapover". Now I want to insert it to all URL links on my entire site. How do I do that? Update: function strapboot_enable_mobile_touch() { ?> ...
6
votes
5answers
2k views

Does Wordpress have a “Form API”

I do most of my development in Drupal, however I am working on a Wordpress site and I need to make a form. Which got me thinking, is there a Form API for wordpress like there is Drupal? Is there a way ...
0
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1answer
70 views

Creating A New Admin Menu Tab For Theme Options

I 've found an online tutorial that teaches how to implement a simple Options Page for the theme. I did it successfully but it is displaying as a sub menu, and I want it to be a main menu like those ...
1
vote
0answers
35 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 ...
3
votes
2answers
4k views

Wordpress 3.1 - How does one add sticky post capabilities to post types

In wordpress 3.1 they finally added the option of allowing posts belonging to a custom post type to be marked as "sticky"... what I can't figure out though is how to enable this so the admin menu ...
0
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1answer
41 views

Twitter Product Cards

I am trying to show twitter product cards. I have this function in my functions.php . I validated the twitter card and everything looks good except the product data. I am trying to display it for ...
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0answers
32 views

using a function in functions.php to process a form generated in functions.php

so i have a site where users can rate items, it saves their ratings to a mysql db and also tallies the average for the item, saving that as well. as it is a generic function and there are hundred of ...
0
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1answer
39 views

Sort search with posts_orderby

I need to sort my search results by custom post type. the problem: the order is custom. I do have 5 different post types and i got the order like so: artist artwork page post publication I'd like ...
0
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1answer
23 views

How to hightlight all ancestor menu items of a child page NOT displayed in menu

Here's the situation: In my main navigation menu I have something that looks like this: Work with Me Latest Projects Where the Latest Projects page is a child page and sub menu item of the Work ...
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1answer
40 views

What do the schemes login, login_post, admin, and relative mean?

site_url and get_site_url accept a parameter named $scheme. $scheme can be set to http, https, login, login_post, admin or relative. http and https are obvious. What do login, login_post, admin and ...
6
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4answers
793 views

Apply class to every paragraph that holds image?

When adding an image to a page or post, Wordpress is automatically adding a paragraph tag <p> as parent holding the image. Like so: <p><img src="my-image.jpg" alt=""></p> ...
1
vote
2answers
2k views

Edit Yoast SEO breadcrumbs output

I want to customise the output of Yoast SEO breadcrumbs, I have this so far which works great: add_filter( 'wpseo_breadcrumb_single_link', 'ss_breadcrumb_single_link', 10, 2 ); function ...