Modifications to theme and plugin files to create new functionality.

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243
votes
108answers
123k 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 ...
86
votes
11answers
32k views

Steps to Take to Hide the Fact a Site is Using WordPress?

I have a website for which we are trying to be discreet about the fact that we are using WordPress. What steps can we take to make it less obvious?
14
votes
2answers
13k views

How To Add Custom Form Fields To The User Profile Page?

The user profile page has the following fields: Username First Name Last Name Nickname Display name Contact Info E-mail Website AIM Yahoo IM Jabber / Google Talk How can more fields be added to ...
2
votes
1answer
2k views

Check before publishing, if already exist post with current custom field value

I have a custom post type with only 3 custom fields in it. $post_types = get_post_meta($post->ID,'post_types',true); $post_taxonomies = get_post_meta($post->ID,'post_taxonomies',true); ...
23
votes
4answers
9k views

Database synchronization between dev/staging and production

I have a problem with WP database synchronization between development and production and I am wondering how other people solving it. I am aware about this question but it doesn't really cover the ...
21
votes
1answer
12k views

How to filter post listing (in WP dashboard posts listing) using a custom field (search functionality)?

Despite the fact I googled a lot, I've not found the answer to a very simple question : I have some posts with a custom field (i.e. supplier_name). I would like to be able to search and filter my ...
12
votes
3answers
2k views

Customizing a WordPress theme without changing it?

I have found and downloaded a theme. However I want to tweak the CSS some to change the design, colours etc. a bit. How should I go about doing this, while still being able to update the theme without ...
0
votes
1answer
251 views

Wordpress in “Couch Mode”?

I am trying to setup a "Couch Mode" (distraction free reading) on my WordPress blog as laid out in this article. The guide in the article follows these steps: Create a new page in WordPress with ...
5
votes
2answers
693 views

Custom pages with plugin

I'm developing some plugin where I would like to enable custom pages. In my case some custom page would contain a form like contact form (not literally). When user will fill out this form and send it, ...
9
votes
6answers
8k views

How to *remove* a parent theme page template from a child theme?

I'm using the TwentyTen theme to create a child theme, but I can't seem to get rid of the 'One column, no sidebar' page template that is in the TwentyTen parent theme. I thought just copying it over ...
1
vote
2answers
3k views

Multiple Domain Names - One WP Install (non-Multisite) - Default Each Domain name to Category Archive

Use case is somewhat simple - here goes: Five people share a single wordpress install - not multi-user Each person blogs and puts their posts in a their own unique category Each person has their ...
0
votes
1answer
756 views

Menu is not visible in appearance

I have added following code to my function.php function register_my_menu() { register_nav_menu('header-menu',__( 'Menu' )); } add_action( 'init', 'register_my_menu' ); And here is my code where ...
12
votes
2answers
6k views

Creating an Image-Centric Custom Post Type?

Does anyone have any tips for creating an image-centric custom post type? To elaborate, my blog has rotating header images, shown below: The two images in the top left are randomized, and exist as ...
21
votes
4answers
1k views

How to implement a customizable free OpenID authentication?

OpenID is a standard commonly used nowadays. I am trying to implement OpenID on my blog, but I have many difficulties. I tried OpenID plugin but it seems to be incompatible with Wordpress 3.0. I ...
6
votes
1answer
3k views

Linking Two Post Types

and thanks in advance for your help. I've done some searching, and this question has been answered a couple of times with reference to the "posts 2 posts" plugin, but the documentation on that is ...
3
votes
3answers
2k views

Need help with friendly URL's in Wordpress

I'm creating som custom templates in Wordpress and I'm passing some data in the URL's. Currently my URL looks like this: http://www.mysite.com/designers/?id=43&name=designer+name The URL ...
6
votes
2answers
948 views

Looking for a Table of Contents (TOC) plugin for WordPress

I am looking for a simple TOC plugin for WordPress that would create a ToC similar to the one from MediaWiki (Wikipedia). Usually I need this only for big pages and the TOC needs to be generated based ...
45
votes
7answers
25k views

Organizing Code in your WordPress Theme's functions.php File?

The more customization I make to WordPress the more I start thinking about if I should be organizing this file or splitting it up. More specifically, if I have a bunch of custom functions which only ...
11
votes
2answers
30k views

How to create a custom search for custom post type?

I have a search field for the blog posts, but I need an other for a custom post type. How can I create this custom search form with a different search result layout?
10
votes
2answers
10k views

How to Link External jQuery/Javascript files with WordPress

So I'm using Starkers to base my next WP theme on and I've run into a small issue, I was including my own version of jQuery in the header.php file but when inspecting my site using Firebug I noticed ...
7
votes
4answers
4k views

How do I append multiple taxonomies to the URL?

Multiple taxonomies in URL How does one append multiple taxonomies to the URL having the following: Post Type: products Taxonomy: product_type Taxonomy: product_brand Adding new ...
7
votes
3answers
1k views

Is the new WordPress 3.1 admin bar pluggable and how can I extend it?

How can I extend the functions of the WordPress 3.1 admin bar in my plugins? I am looking for specific hooks and filters to use in adding links or other features to the admin bar. A good example ...
9
votes
3answers
2k views

Update widget form after drag-and-drop (WP save bug)

I've posted a bug-report about this a few months ago (on WordPress trac (Widget Instance Form Update Bug)) and I thought I'd try writing about it here too. Maybe someone has a better solution to this ...
3
votes
3answers
2k views

Archive Listings Filtered by Date Values in a Custom Field/Post Meta?

(Moderator's Note: The original title was "using archive by date with a custom date") I'm adding an additional date to posts as a custom field. Now I want the archive to show posts by the custom date ...
5
votes
1answer
575 views

How to get current_cat in navbar, in single post

In a site I have using Wordpress 3.0, when I'm in a single post, the navbar showing the categories doesn't give the parent category the class of "current_cat" and therefore that category is not ...
5
votes
2answers
9k views

Nested meta_query with multiple relation keys

I am curious whether Wordpress is able to run nested meta_query, with each having different relation keys? As of Wordpress 3.0, tax_query is able to perform this function; I'm wondering whether this ...
3
votes
2answers
6k views

Add a checkbox to post screen that adds a class to the title

I'm needing some posts to have different title colors than others, and I figured this would be most conveniently accomplished by some sort of check box on the post creation/edit screen. How would I go ...
1
vote
1answer
2k views

Hide a page in the admin end without a plugin?

I'm creating a series of pages with iFrames embedded in them, but it seems the only way to do this within Wordpress (i.e. using the templating system) is to create pages in the admin end and then ...
0
votes
1answer
1k views

How to Use the Function is_user_logged_in To Display Different Menus?

So, I want to create different menus for people who are logged in or not. I got a reply that i should use a function if (is_user_logged_in()) { wp_name_menu(array('theme_location' => ...
1
vote
1answer
6k views

All-in-One Event Calendar: Custom Query - Getting each event Instance [closed]

I am using the All-in-One Event Calendar by Timely, and I would like to display upcoming events from the events calendar in a carousel on a separate page, and I need to get the event information. I ...
-1
votes
1answer
11k views

How To Customize Position of »add to cart« of WooCommerce on Product Page [closed]

Which file (or files, if more than one) do I need to edit to re-arrange the Product Page? I want to make some basic layout changes to the default Woocommerce product page. Specifically, I want to put ...
23
votes
6answers
13k views

Add validation and error handling when saving custom fields?

I have a function that defines a custom field on a post type. Say the field is "subhead". When the post is saved, I want to do some validation on the input, and display an error message on the post ...
11
votes
4answers
9k views

Validating Custom Meta Box Values & Required Fields

Something which I have never seen covered is the best way to validate that specific form fields are filled out correctly for custom post type meta boxes. I am looking to get expert opinions on how ...
12
votes
6answers
12k views

How to remove admin menu pages inserted by plugins?

I've got the following code, which cleans up a lot of stuff that is not going to be used within the admin area: add_action( 'admin_menu', 'my_remove_menu_pages' ); function my_remove_menu_pages() { ...
5
votes
3answers
3k views

Make Custom Metaboxes Collapse by Default

I've created some custom metaboxes for my post write screen. Is there any way to make some of them display collapsed by default? Just in case I'm not using the correct terms or not being clear in ...
3
votes
3answers
2k views

Removing fields from the Media Uploader/Gallery

I've been searching high and low for an answer. I simply want to remove the Alternate Text, Caption, Description and Link URL-fields from the uploader and gallery view. I seem that every thing else ...
2
votes
1answer
2k views

front end post with multiple upload images?

I am using front end post with upload image, my code if (!function_exists('wp_generate_attachment_metadata')){ require_once(ABSPATH . "wp-admin" . '/includes/image.php'); ...
5
votes
1answer
279 views

When is it appropriate to create a new table in the WordPress database?

For a client we'll need 29,000 terms (all the highschool's in the US) and each term needs 6 meta items (address, phone...). My initial thought was to store the term meta information as suggested in ...
3
votes
2answers
5k views

WP 3.1 - archive pages for custom content types possible now without a plugin?

I noticed that WP 3.1 supposedly has 'new CMS capabilities like archive pages for custom content types', however, I can't see that implemented yet? I've been using a plugin called 'Simple Custom Post ...
3
votes
1answer
788 views

How to set up sub-categories for author pages?

I am setting up Wordpress for a school. They want to enable teachers to have their own section of the site where they can create posts in different categories (assignments, events, etc). I know that ...
1
vote
3answers
3k views

Any way to use a custom Parameter for youtube embed without using an iframe?

I do not want to display the titles of videos I embed on my wordpress site. The way I've been doing this is using the embed link, inserting the iframe in the wordpress post and adding the custom ...
0
votes
2answers
4k views

Automatically wrap post image in div

In regards to image attachments inserted into a post, I would like to wrap the img tag inside a div tag for specific design purpose. Is there a way to do this automatically after attaching the image ...
0
votes
1answer
2k views

How to programmatically bring back “excerpts” field in post editor in WP 3.1+

My theme uses some custom options fields, like post excerpt, that were removed from the editor screen with WP 3.1 I understand and support the intent to clean up the content workspaces. However, as a ...
4
votes
2answers
2k views

Is There A Hook To Process The Content Of The Text Widget?

Is there any filter which can be used in a plugin to process the content of the text widget before it is rendered?
2
votes
1answer
4k views

Creating search form for custom database table

I have a custom table in the WP database which I can display fine, with pagination, using the following code: <?php global $wpdb; $rows_per_page = 50; $current = (intval(get_query_var('paged'))) ...
1
vote
1answer
3k views

WordPress custom post types breaks permalink on theme reinstall

This is a pretty strange problem. I'm creating a WordPress custom post type in my themes functions.php file using the following format: add_action('init', 'product_register'); function ...
0
votes
1answer
720 views

Unattaching images from a post

I currently have a custom post type in a theme I'm developing which will be used for portfolio items. So far, I have implemented functionality that allows images to be attached to a portfolio post. I ...
-6
votes
1answer
643 views

What does this PHP function code mean? [closed]

Can someone please help me to understand each part of this code? Can you comment every line so I can understand and custom the code accordind to my purpose. Here is the link in pastebin: class ...
2
votes
1answer
697 views

TinyMCE style_select - Append Classes

TL;DR Question How do I create a submenu for my classes with style_format? Can I append a submenu to the existing menu? With the new Styleselect in TinyMCE 4.0 there's a bunch of predefined ...
0
votes
1answer
484 views

Wordpress 3.1's admin bar disappears only leaving its 28 px padding (in ubuntu)!

At the begining, I thought there was an issue with my HTML or CSS files. But then I realized that other people using Wordpress 3.1 had the same problem (check out this link). The admin bar disappears ...