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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3
votes
3answers
13k views

How come Featured Image isn't showing up in my Custom Post Type?

I have thumbnail support added with the following in my functions.php // Add Thumbnail Support add_theme_support('post-thumbnails'); set_post_thumbnail_size( 140, 140, true ); And I create the ...
3
votes
8answers
10k views

Adding fields to the “Add New User” screen in the dashboard

I'd like to add the field "Company Name" to the add new user page in the admin panel. I've done quite a bit of searching and have been unable to find details on how to do this. I can easily add info ...
3
votes
2answers
14k views

Adding a second email address to a completed order in WooCommerce [closed]

Before I ask this question, I know there is a (legitimate) hesitation to answer questions here about Woo products since they have their own support and their users should be encouraged to use that. I ...
3
votes
2answers
2k views

hook a functions to change wp-config from functions.php

is there a way to hook / filter or add action that would be printed in the wp-config file? lets say i want to add some simple command like "empty the trash" aka define('EMPTY_TRASH_DAYS', 1 ); ...
3
votes
5answers
9k views

Why isn't is_page working when I put it in the functions.php file?

I have page called "Apple", the page's ID id 2533. In page.php file I have line: echo $bannerimg And this function in functions.php: if ( is_page( '2533' ) ) { // also tested with 'Apple'...
3
votes
1answer
10k views

Custom page with variables in url. Nice url with add_rewrite_rule

Using WP3.1 I Have a custom page with a WP_Query and the query gets dynamic variables from the url. And i want safe variables and clean urls. Example: carpage/?carmodel=honda&location=...
3
votes
3answers
10k views

get php variable from functions php and echo it in theme template files [closed]

This may seem like a silly question but I cannot figure this out. I've created a variable in my functions.php - and I'm trying to echo it in my template files. I'm guessing it's because of scope. ...
3
votes
3answers
4k views

Forcing all posts associated with a custom post type to be private

Does anyone know of a way to add code to the functions.php file which will automatically force all posts belonging to a custom post type to be "private" and/or "password protected" with a default ...
3
votes
1answer
82 views

How to preserve PHP modifications while upgrading WordPress?

I made a lot of custom modifications in the PHP code of my WordPress blog. Namely in: archive.php, blog.php, footer.php, functions.php, header.php, search.php To provide customized search results, ...
3
votes
1answer
6k views

Debugging an error: wp_enqueue_style was called incorrectly

I've just uploaded a new, custom theme to find that the container is a fraction of the intended width, and the sections below the home section(this is one single page, long site utilizing ids/anchors ...
3
votes
2answers
2k views

Advantages and disadvantages of using automatic-feed-links

What are the advantages and disadvantages of using add_theme_support('automatic-feed-links') in my functions.php file?
3
votes
2answers
149 views

How to count number of functions attached to an action hook?

I have some actions like this function simple_notification() { echo '<div>This is a notification</div>'; } add_action( 'site_notices', 'simple_notification' ); ...
3
votes
4answers
3k 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
1answer
5k views

Wordpress Enqueue for homepage only, functions.php, wp-framework

I'd like to replace my: if(is_home()) { wp_enqueue_script( 'homestuff', get_theme_part( THEME_JS . '/home.js' ), array( 'jquery' ), null, true ); wp_enqueue_script( '...
3
votes
2answers
7k views

How to Add Image to Wordpress RSS-Feed with no Plug-in?

I have searched for adding featuring image to rss feed with no plug-in for WordPress. I have found some examples and applied how it was instructed. But All I have got now is nothing. Still can't ...
3
votes
1answer
353 views

Does WordPress Development Mode Exist (with not minified JS)?

A lot of WP JS is minified and therefore it's hard to be analyzed in the Console. Is there any way to have all scripts uncompressed?
3
votes
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 ...
3
votes
3answers
4k views

Add new “Insert Into Post” button with another function

Problem: Add a hook that automatically adds a short tag to video attachments when inserted from the Media Library (video) tab: Update: This works under the 'Media Library' tab — and doesn't break ...
3
votes
5answers
3k views

Removing custom background and header feature in child theme

I am creating a child theme using twentyten as my base. I am looking for a way to remove the features of adding custom header and background without touching functions.php file in the parent theme. ...
3
votes
1answer
2k views

Is it possible to use a forgot password url filter?

i recently found that a login url filter is available but i can't find a solution for the forgot password as well, for the login url i use this: function custom_login_url($login_url) { return ''....
3
votes
1answer
4k views

How do I make my function add variables/values to the $post object?

How do I add $tzDesc and $tzEmbed (and other variables) to the $post object in the following function so that I can display the values in my theme files by inserting <?php echo $tzDesc; ?>? ...
3
votes
1answer
306 views

expire wordpress user posts

I'm trying to make classified WordPress theme and I need to make users posts expire date plus show that date into the post. Users only allowed to publish their posts in post-types not as ordinary ...
3
votes
1answer
5k views

Warning/Notice about functions.php

I have trouble about the notice shows on the top of the home page as: Notice: load_plugin_textdomain was called with an argument that is deprecated since version 2.7 with no alternative available. ...
3
votes
2answers
2k views

Auto close (hide) custom metabox / set default state

I am using the WordPress function add_meta_box() to add my own custom metabox. So how can I auto close/hide on page open ? Currently, I just add a CSS class closed to metabox's <div> element ...
3
votes
5answers
4k views

wp-admin page is blank

Something is wrong with my wp-admin page, it just shows up blank. I am pretty sure it has to do with my function.php file there is no whitespace on the top or bottom, but when I delete it completely, ...
3
votes
2answers
2k views

delete post also attachments

I am trying to delete a post with its all attachments. This is the function that i came up with right now; function remove_post(){ if(isset($_POST['post_id']) && is_numeric($...
3
votes
3answers
999 views

Add Useragent to the body class?

I'm looking for a way to add body class depending on the User Agent of the client with php. I'm looking to implement it this way: page.php: <body id="front" <?php ( function_exists ( '...
3
votes
2answers
116 views

How to change the markup Wordpress inserts for post images

I am developing a theme with Underscores for WordPress. When the user adds an image using the TinyMCE editor the following code is inserted: <img class="wp-image-45 size-full aligncenter" src="...
3
votes
1answer
587 views

How to display random users with avatars

I adapted a little a function to display a number of random users with their avatars with a shortcode. It works, but something is not good. Sometimes it displays with one user less than I want (just a ...
3
votes
1answer
2k views

Extending auth_cookie_expiration based on user role

I'm trying to extend the lifespan of the authentication cookie, but only for administrators. My code in functions.php is: add_filter( 'auth_cookie_expiration', 'change_admin_cookie_logout' ); ...
3
votes
2answers
6k views

Inserting Gravity Form checkbox values into Advanced Custom Fields [closed]

I'm trying to feed checkbox values from a Gravity Forms form (which creates a new post) into an Advanced Custom Fields field. I've had a read around and found some info in a post (at the bottom of the ...
3
votes
1answer
2k 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 ...
3
votes
3answers
2k views

Functions.php code that only runs on localhost?

I would like to run an add_action in functions.php only if the theme is being loaded from my localhost development site. How would I get this to run only on localhost? function livereload(){ ?> ...
3
votes
3answers
5k views

Get user id from email?

I'm working on an email system, and I'm onto the unsubscribing stage. Since most of my users would not know their user ID, I'm asking them to put their email into a text box (definitely preferred, ...
3
votes
1answer
3k views

How to paginate the get_users function?

Im using the get_users function to show a custom list of users on the site. The only issue Im having a problem figuring out now is how to paginate the result. This is a sample of the function that Im ...
3
votes
5answers
1k views

Remove Comments Metabox but still allow comments

I already know how to remove a metabox from my custom post type edit page. However I want to remove the comments metabox but still allow commenting for the post. Because I notice when I do remove it,...
3
votes
2answers
3k views

How do I remove a require_once admin panel from the parent theme from the child theme functions.php?

In the parent theme, the following is at the bottom of the functions.php file. require_once(TEMPLATEPATH . '/admin/admin-menu.php'); In the child theme's function.php, this code will include the ...
3
votes
2answers
900 views

Modify CSS via Theme Control Panel

Hi to all I'm trying to create an advanced control panel for my first Wordpress template but I'm not able to add a function that I will need. The function that I'm trying to add is the possibility to ...
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 ...
3
votes
1answer
591 views

Roles & capabilities GUI that does not create separate table

After reviewing plugins that deal with user roles and capabilities I concluded that I might be better off just hardcoding my settings into my functions.php file. This actually worked out well for me ...
3
votes
1answer
164 views

Should the value of core functions be escaped before outputting?

Should the value of functions such as the_permalink() be escaped before outputting to the browser? For example, do I need to escape the following? <a href="<?php the_permalink(); ?>">Link ...
3
votes
1answer
27 views

I changed “Howdy” in the admin bar in the dashboard, but when I'm viewing the site it still says Howdy!

I used the following code to replace "Howdy" in the admin bar. This is lovely. However, when I view the site while logged in, the word Howdy reappears. As long as I'm viewing the dashboard, no howdy. ...
3
votes
1answer
3k views

Edit tag cloud widget number

By default, the WordPress tag cloud widget has a set amount of 45 tags to display. This can be seen in the wp-includes/category-template.php file. By default, the WooCommerce plugin which I have ...
3
votes
2answers
110 views

When is it appropriate to put functions on page template vs. functions.php?

I'd like to improve my code and on a current theme, I've extended Wordpress with custom post types, metadata, customized user authentication, and a number of other items. Some of these functions ...
3
votes
2answers
5k views

How to override enqueued styles using a child theme

I'm creating a child theme (My first in over 3 years) of a WooCommerce theme and I'm having some trouble with the fact that some of the layout styles are enqueued in the parent theme and I'm having to ...
3
votes
1answer
4k views

Why does including a file in theme's functions.php not work?

For example, if I write some code (e.d. add a custom post type or something) in my theme's functions.php, it works fine. If I move it to a new file, then include() the file in my theme's functions.php ...
3
votes
1answer
5k views

Modify search function in WordPress (TwentyTwelve)

I want to remove "Search for" text from search form in TwentyTwelve, to wrap in in a div for styling, and probably to play with php a bit – and I'd appreciate some advice on how to do that best. My "...
3
votes
1answer
1k views

When to use esc_url, esc_html, esc_attr, and friends?

Discovered esc_url today while customizing an _s theme. I understand what the function does (sanitizes the URL inside), but what I'm unsure of is the scope of its use. It makes sense to me that if I'...
3
votes
2answers
450 views

How to get comments with mixed status using get_comments?

Is there a way to get comments with more than one status using get_comments function? Let's say I would like to get both trash and hold comments. It is possible to do the same with posts: get_posts(...
3
votes
1answer
362 views

WP doesn't show Array Custom Fields?

I'm wondering why WordPress doesn't list PHP array() and any serialized data in Custom Fields in Admin Panel (for Pages, Posts etc.)? Only Custom Fields containing strings and numbers show up and can ...