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Questions tagged [customization]

Modifications to theme and plugin files to create new functionality.

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332
votes
108answers
155k 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 ...
199
votes
27answers
56k views

How to: Easily Move a WordPress Install from Development to Production?

I do development on one box and use a second for production. Right now I just dump the database and then do a find a replace for the URL changes; then copy over the files and import the new SQL. Are ...
142
votes
13answers
48k 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? EDIT- Important security note: Please understand ...
135
votes
37answers
17k views

Objective Best Practices for Plugin Development? [closed]

Starting a community wiki to collect up objective best practices for plugin development. This question was inspired by @EAMann's comments on wp-hackers. The idea is to collaborate on what objective ...
135
votes
8answers
54k views

Is moving wp-config outside the web root really beneficial?

One of the most common security best practices these days seems to be moving wp-config.php one directory higher than the vhost's document root. I've never really found a good explanation for that, but ...
92
votes
8answers
62k 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 ...
66
votes
3answers
42k views

When to use is_home() vs is_front_page()?

I've found that is_front_page appears to return true when I'm viewing the home page and have a single sticky post assigned there. It also returns true when I've assigned a page as the static front ...
62
votes
7answers
17k views

Best collection of code for your .htaccess file [closed]

We have the Best Collection of Code for your functions.php file thread, so I thought that it might be useful to create a thread for our .htaccess files. AND PLEASE REMEMBER TO ADD ANY OF YOUR OWN ...
57
votes
4answers
37k views

Is there a flowchart for WordPress loading sequence?

So like WP must load series of files from, index.php -> ... -> wp-header.php -> ... ->functions.php ...and so on upon execution. Also there must be a similar flowchart for functions ...
53
votes
3answers
124k views

How to change the default registration email ? (plugin and/or non-plugin)

After a new user registration, WP sends out an email with the login / password, and a link to the login page. Is there a way to change this defaut email template? I'd also like to change the subject ...
51
votes
5answers
57k views

MySQL Database User: Which Privileges are needed?

The short installation instruction for WordPress ("5 Minutes") state that: Create a database for WordPress on your web server, as well as a MySQL user who has all privileges for accessing and ...
51
votes
6answers
3k views

Best-of-Breed Features of a High-End WordPress Web Host? [closed]

I'm posting this as a community wiki because I'd like to get a collaboratively edited list of features for a high-end WordPress webhost. For example, if you are running a high-traffic WordPress-...
43
votes
3answers
2k views

Opinions and recommendations on the best barebones base theme [closed]

Preamble I'm finding myself building more and more WP sites "from scratch" as it were (ie: ignoring any theme designs out there and just creating a design wireframe purely on the needs of the client. ...
42
votes
5answers
143k 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?
40
votes
10answers
16k views

How to structure a plugin

This isn't a question about how to build a WordPress plugin. Rather, what, if any, guides could be applied to how to put together the file architecture of any plugin. Some other programming languages ...
39
votes
7answers
68k 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() { ...
37
votes
1answer
23k 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 ...
37
votes
8answers
14k views

Conditionally Loading JavaScript/CSS for Shortcodes

I released a plugin that creates a shortcode and requires a JavaScript file and a CSS file to load on any page that contains that shortcode. I could just make the script/style load on all pages, but ...
36
votes
4answers
12k views

Database synchronization between dev/staging and production

I have a problem with WordPress 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 ...
32
votes
4answers
47k views

what is the correct way to compare dates in a WP query_posts meta_query

I have a query_posts call in a WP template. Through the use of the More Fields Plugin I can give the site admin the ability to create an event (custom post type) and then enter a date which is ...
31
votes
11answers
12k views

What is your best practice to execute one-time scripts?

The Problem We all have been in a situation like this, and a lot of questions on this site need a solution like this. You either have to update a database, insert a lot of data automatically, convert ...
31
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 ...
29
votes
2answers
30k 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 ...
29
votes
5answers
2k views

Should all plugins be encapsulated in a Class?

When developing a plugin should the functions be grouped together into a Class to avoid namespace conflicts? Does using classes create performance overheads for PHP? If there is a performance hit, ...
29
votes
7answers
26k 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 ...
26
votes
8answers
25k views

Best way to eliminate xmlrpc.php?

What is a best way to eliminate xmlrpc.php file from WordPress when you don't need it?
24
votes
5answers
2k views

Why have <?php and ?> on every line

I've seen this convention pretty much everywhere, and, at times, it comes close to driving me nuts: <?php //The loop ?> <?php while ( have_posts() ) : the_post(); ?> <?php ...
22
votes
3answers
28k views

How to get the Date Format and Time Format settings for use in my template?

This is a strange question, but I want to know how I can access the Date and Time settings Admin > Settings > General > Date Format Admin > Settings > General > Time Format I am ...
22
votes
2answers
4k views

Explanation of update_post_(meta/term)_cache

I was reading over some best practices from 10up and they mention setting these two flags to false in a WP_Query ( depending on what you're querying ): 'update_post_meta_cache' => false: useful ...
22
votes
3answers
3k views

Best Practices for Regression Testing WordPress Websites?

Hi all, I'd like to hear what others who are delivering complex non-blog solutions to clients with WordPress as a platform what they are using for automated Regression Testing? For those not ...
21
votes
3answers
27k views

How do i best handle custom plugin page actions?

I'm constantly running into the same annoyance, so i thought i'd see if there's any ideas or experience out there... I've created a plugin that uses it's own admin page. It has to. Now that i sorted ...
21
votes
2answers
37k views

Add multiple custom fields to the general settings page

What I would like to do is to add a few custom fields to the general settings. This is the code that I'm using. It works alright but I just cant figure how to add more fields. I would like to create ...
21
votes
2answers
937 views

Is it ever okay to include inline CSS in plugins?

Normally in a plugin I would add styles using wp_enqueue_style. However, I am currently creating a plugin that only needs a few lines of CSS and I am wondering if it might be better to serve the ...
20
votes
5answers
6k views

How do you use a CPT as the default home page?

I have a client who's site will be making heavy use of custom post types to configure their site. But I'm between a rock and a hard place for their requested home page. In reality, the home page ...
20
votes
1answer
2k views

How to create an API for my plugin?

I have been developing plugins for WordPress, most plugins I have developed use two or three classes, hence not as huge as Buddypress or WooCommerce. I am planning to develop two open source plugins ...
20
votes
4answers
4k views

Plugins in symlinked directories?

When I develop plugins I test them on multiple versions of WordPress by symlinking my plugin directory in the different wp-content directories. This is great since I only have to edit the files once, ...
20
votes
1answer
2k views

How can I make updates to a site, on a development copy, but then move updates back without overriding live site's evolving database?

I've tried to be as descriptive in the title as possible, and I know this question has been asked in before in various forms but I could not find good answer to it and it's are to imagine that no one ...
19
votes
7answers
128k views

What SQL Query to do a simple find and replace

Whenever I create a new website I first create a staging site on a subdomain like "stage.domain-name.com". After everything works correctly I export the database, open it in notepad++ and do a find/...
19
votes
3answers
7k views

What Is The Use Of map_meta_cap Filter?

What is the use of map_meta_cap filter? This filter is not documented anywhere. I have an unclear idea of what it could be: Used to map the permissions of the user to operations on posts. What ...
19
votes
3answers
47k 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 ...
19
votes
4answers
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 ...
19
votes
9answers
792 views

Creative uses of WordPress [closed]

As WordPress grows, it becomes possible to make more and more sites using the technology. Pages and the permalink structure give it CMS power, custom taxonomies and post types expand this further to ...
19
votes
1answer
34k views

numberposts? showposts? posts_per_page?

So the documentation on the Codex is pretty clear that showposts is deprecated. But that same documentation mentions nothing of numberposts. Instead, posts_per_page is listed. But if we turn to the ...
18
votes
2answers
5k views

Best practices for localizing WordPress content?

A client asked for a blog that will have localized content (i.e. en.blogname.com for English content, fr.blogname.com for French content, etc). Being new to building such a blog, we recently ...
17
votes
6answers
17k 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 ...
17
votes
1answer
21k views

Difference between add_filter and apply_filters

I have searched for a suitable explanation of the difference between add_filter() and apply_filters() in here but couldn't find one. Can anyone tell me what information or logic to consider before ...
17
votes
3answers
2k views

Integrate Wordpress and bbpress profiles?

I have installed bbforum plugin in my wordpress. However It has two separate profiles for the blog users and the forum users. Blog users have profiles url: /author/test/ While forum users have ...
16
votes
5answers
40k views

Remove wrapping div and ul from output of wp_nav_menu

I am using the new menu system of Wordpress, and here is the result of wp_nav_menu() <div class="menu-main-menu-container"> <ul id="menu-main-menu" class="menu"> <li id="menu-...
16
votes
2answers
9k 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 ...
16
votes
5answers
16k 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 ...