222
votes
108answers
103k 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 ...
204
votes
6answers
69k views

When should you use WP_Query vs query_posts() vs get_posts()?

It seems like half the tutorials in the Codex and around the blogosphere use query_posts() and half use WP_Query. What's the deal?
127
votes
22answers
32k 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 ...
97
votes
9answers
13k views

Tips for using WordPress as a CMS? [closed]

I want to use WordPress as a CMS for a reasonably basic site rather than a blog. I have several pages and at the moment, I don't intend to have a "news" page. While there are ways to make this work, ...
88
votes
37answers
12k 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 ...
73
votes
3answers
45k views

When to use WP_query(), query_posts() and pre_get_posts

I read @nacin's You don't know Query yesterday and was sent down a bit of a querying rabbit hole. Before yesterday, I was (wrongly) using query_posts() for all my querying needs. Now I'm a little bit ...
71
votes
12answers
43k views

Adding a Taxonomy Filter to Admin List for a Custom Post Type?

I have created a Custom Post Type called 'listing' and added a Custom Taxonomy called 'businesses'. I would like to add a dropdown list of Businesses to the admin list for the Listings. Here is what ...
71
votes
8answers
24k 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?
65
votes
12answers
8k views

Verifying that I have fully removed a WordPress hack?

My for-fun WordPress blog at http://fakeplasticrock.com (running WordPress 3.1.1) got hacked -- it was showing an <iframe> on every page like so: <iframe ...
61
votes
8answers
18k 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 ...
59
votes
11answers
25k views

Display a portion/ branch of the menu tree using wp_nav_menu()

I have a menu defined in WP Admin that looks like this: I want to be able to display all the child links on the sidebar whenever I am at a parent page. For example, if the user is on my "About Us" ...
56
votes
13answers
4k views

Steps to Optimize WordPress in Regard to Server Load?

Besides installing W3 Total Cache or another caching plugin what steps can I take to make sure that my theme and site run as fast as possible.
56
votes
11answers
9k views

WordPress frameworks and parent themes [closed]

By now there is a considerable amount of WordPress code around that is meant to be re-used by other developers. Unfortunately there is little to none practical and solid information on it and ...
52
votes
27answers
8k views

Software for WordPress Theme and Plugin Development? [closed]

What software do you use for your WordPress related needs? Please state your OS. On windows XP I use: filezilla (FTP) notepad++ (for reading of PHP / CSS files) firebug (a firefox extension to ...
50
votes
5answers
4k views

Updates for a private plugin?

If I write a private plugin, is there any way to use the WordPress auto-update mechanism to update it? I want to encapsulate the functionality, but it's specific to my own 5 or so blogs, so it's not ...
47
votes
3answers
53k views

Menu items description? Custom Walker for wp_nav_menu()

Normal Wordpress Menu looks like: Home | Blog | About us | Contact But I've seen many pages with descriptions under these links: Home Page | Our Blogs | About us | ...
47
votes
7answers
8k 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 ...
45
votes
17answers
3k views

WPSE Plugin Repository: The plugins that came out of WP-Answers

Link your WPSE-Plugins If you answered a question and made a plugin out of your code, than this is your place to share it. The Idea: An old comment from @MikeSchinkel during the beta phase where he ...
45
votes
2answers
25k views

Uninstall, Activate, Deactivate a plugin: typical features & how-to

I'm making a wordpress plugin. What are typical things I should include in the uninstall feature? For example, should I delete any tables I created in the install function? Do I clean up my option ...
43
votes
8answers
4k views

Refactoring Wordpress to improve memory performance [closed]

I had a close look at Wordpress memory consumption. On my site, it seems that for each page hit 20MB of RAM gets allocated, just to prepare comfy environment for all the plugins to run in. I plotted ...
42
votes
2answers
17k views

What is the preferred way to add custom javascript files to the site?

I've already added my scripts, but I wanted to know the preferred way. I just put a <script> tag directly in the header.php of my template. Is there a preferred method of inserting external or ...
39
votes
6answers
2k 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 ...
37
votes
7answers
17k 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 ...
37
votes
6answers
6k views

framework for plugin/theme options panel? [closed]

I found that the longest part of a plugin or theme development is creating the options panel, at least in my case. So i like to know what's your take on that. Do you use a ready made framework or ...
36
votes
3answers
48k views

How can I add an image upload field directly to a custom write panel?

I've added a new page under "Pages" in the wordpress admin, and added several custom fields. I'd also like to be able to add an upload image field to the page editor - is there some way to do this via ...
36
votes
2answers
3k views

Do deactivated plugins slow down a WordPress site?

Most people are aware that minimizing the number of plugins used is a good way to help keep a WordPress site running fast. However, does that general rule include deactivated plugins?
35
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. ...
34
votes
3answers
8k views

Are transients garbage collected?

This question got me thinking Transient RSS feeds in wp_options not removed automatically? Transients are supposed to expire and be deleted. However the only way I see this handled is when transient ...
33
votes
3answers
785 views

Does WordPress send data about your blog to WordPress.org or Automattic?

I've recently heard someone say WordPress does send data about your blog to back home. Is that true? and if so what data is that or where in the code can I see what's exchanged?
32
votes
5answers
11k views

What are PHP extensions and libraries WP needs and/or uses?

Codex loosely only mentions PHP version in server requirements, however PHP can be configured in pretty wide range of excluding/including different parts. What are extensions/libraries that: are ...
32
votes
2answers
4k views

Ajax takes 10x as long as it should/could

I have just hit my first serious issue with WordPress and for someone that enjoys Ajax this is a biggy. I have an Ajax request that is taking 1.5 seconds to complete while using the Ajax API. If I ...
31
votes
4answers
5k views

Best way to initiate a class in a WP plugin?

I've created a plugin, and of course being me, I wanted to go with a nice OO approach. Now what I've been doing is to create this class and then just below create an instance of this class: class ...
31
votes
1answer
3k views

What's the preferred method of writing AJAX-enabled plugins?

I'm wondering what the preferred method is for dealing with AJAX calls. Should one use the same plugin php file to process the POST or a separate one? Which is cleaner or safer?
30
votes
2answers
94k views

Get wordpress post content by post id

How can i get wordpress posts content by post id?
30
votes
7answers
9k views

Local copy of WordPress Codex?

Sometimes I want to develop WordPress themes when I have no internet connection. I need the Function Reference and Template Tags to be productive. I searched for a downloadable or SVN copy of the ...
30
votes
2answers
19k views

How to sort the admin area of a WordPress custom post type by a custom field

When editing one of my custom post types I want to be able to list all entries by a custom field instead of the date they are published (which, for a custom post type probably isn't relevant). I got a ...
30
votes
10answers
20k views

Can I rename the wp-admin folder?

Is it possible to rename the wp-admin folder? I know I could just rename it, but unless it's supported by the code lots of things would break. If I use a custom folder name, it will make it slightly ...
29
votes
13answers
2k views

How do you debug plugins?

I am pretty new to plugin authoring and was having a hard time debuging. I used lots of echo and it is sloppy and ugly. I am sure there is a better way to do this, maybe an IDE with a debugger that ...
29
votes
4answers
6k views

Where to put my code: plugin or functions.php?

Is there an easy to understand scheme to decide what kind of code belongs to a plugin or the theme’s functions.php? There are many cases and many debates about that topic, mostly because there are ...
29
votes
9answers
6k views

What process do you use for WordPress development?

I'm interested in how other people develop themes and plugins for WordPress. To me, the in-browser editor in the admin panel just doesn't cut it. Currently, I'm just using an IDE with a PHP plugin ...
28
votes
5answers
49k views

How to display sql query that ran in query?

I have come across a function before that displayed the exact SQL code that was used in a loop for example, but can't remember. Can anybody tell me that function? Cheers
28
votes
3answers
2k views

How to remove a filter that is an anonymous object?

In my functions.php file I would like to remove the below filter, but I'm not sure how to do it since it's in a class. What should remove_filter() look like? add_filter('comments_array',array( ...
27
votes
4answers
15k views

Is Git/GitHub a good WordPress deployment solution?

I'm currently developing my WordPress locally, committing my code to GitHub with Git and then SSHing into my server and doing a "git pull" to update my code. Is this a good option for code deployment ...
27
votes
1answer
41k views

How to edit a user profile on the front end?

How can I edit a user profile in the front end with a form? first name, last name, username, email address and password
27
votes
7answers
5k views

Where Can I Find a List of WordPress Hooks?

Where can I find a list of all the WordPress hooks and over-ridable functions (pluggable, scriptable, etc)? Edit: Plugin is here: ...
27
votes
1answer
6k views

Where is the right place to register/enqueue scripts & styles

I am using WordPress 3.1.4 by now. I am confused with where (which hook) do I use: to register and/or enqueue scripts and styles on front- and back-ends? Questions: Which are right hooks to ...
27
votes
4answers
13k views

Passing Variables through locate_template

While I've typically used include or require on their own to save long term code maintenance I've started to use get_template_part and locate_template as using built in WordPress stuff is always best. ...
27
votes
4answers
9k views

Custom post types, taxonomies, and permalinks

This is driving me nuts and I'm sure it's simple but nothing I search for comes up with a simple structure (everything is very complex). I have a custom post type "product_listing" and a custom ...
26
votes
6answers
66k views

If is custom post type

I am looking for a way to test if a post is a custom post type. For example, in say the sidebar I can put code like this: if( is_single()) { //code here } I want code were I could do ...
26
votes
1answer
8k views

A tool to analyze rewrite rules? [closed]

Is there a good tool to analyze my rewrite rules? I always get confused with the regexes and the parameter replacements. I have created something myself and will post it here so others can use it, ...

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