201
votes
6answers
66k 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?
12
votes
1answer
10k views

How to fix pagination for custom loops?

I have added a custom/secondary query to a template file/custom page template; how can I make WordPress use my custom query for pagination, instead of using the main query loop's pagination? Addendum ...
72
votes
3answers
42k 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 ...
13
votes
3answers
13k views

Pagination not working with custom loop

I've got a custom loop that I'm using to display some Real Estate listings that will be available within 60 days. I'm calling it with the following function: <?php $sixtydays = date('Y/m/d', ...
28
votes
4answers
5k 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 ...
13
votes
3answers
2k views

Where do I put the code snippets I found here or somewhere else on the web?

Many posts here or somewhere else contain code, but they do not say where to put it. Example: I have found this post: How do I turn off 301 redirecting posts (not canonical)? I'm a newbie with PHP. ...
2
votes
1answer
229 views

Where do I get “Bug Information” to add to a question?

I have exactly the same issue as this closed question and want to resolve it. In the comment section it asks the OP to add "Bug Information". Where do I get bug information from so I can add it to ...
64
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 ...
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, ...
125
votes
22answers
31k 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 ...
220
votes
108answers
101k 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 ...
11
votes
3answers
5k views

$ not defined using jQuery in Wordpress

I know that jQuery is loaded, because I can switch out the $ for 'jQuery' and everything behaves as expected, but this will be a messy script if I can't fix this This script: ...
46
votes
3answers
50k 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 | ...
26
votes
4answers
8k 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 ...
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?
21
votes
2answers
19k views

How to create a permalink structure with custom taxonomies and custom post types like base-name/parent-tax/child-tax/custom-post-type-name

I've been combing this site and google for the answer and I've come up completely empty. Basically I want to do exactly what this post asks, but I need a hierarchical taxonomy. The answer given in ...
69
votes
8answers
23k 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?
23
votes
2answers
7k views

Create more Meta Boxes as needed

I'd like users to be able to create and remove additional meta box fields as needed. For example, say a music podcast with a variable amount of songs played per episode. The user should be able to ...
27
votes
1answer
5k 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 ...
40
votes
2answers
24k 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 ...
57
votes
11answers
24k 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" ...
14
votes
1answer
4k views

Settings API with arrays example

I'm using the Wrox WordPress plugin development book as a primary reference for getting started with a new plugin and I understand all settings can be saved as 1 array but the book does't give an ...
18
votes
3answers
13k views

Using wp_query is it possible to orderby taxonomy?

My question is simple, I'm using WP_Query to retrieve some custom type posts filtering by a taxonomy using tax_query. Now my problem is I would like to orderby the taxonomy, but from documentation ...
10
votes
1answer
2k views

How can I use WordPress functions in my stylesheet?

I have my style.php file looking like this. <?php header('Content-Type: text/css');?> #div{ background:<?php echo get_option('bgcolor');?>; } This does not work, but when I do ...
5
votes
2answers
4k views

Ajax and autocomplete

I got a set of meta boxes on a custom post type. Two of them are simple input/text-type fields, that should have autocompleted input: A) Another Custom Post Type B) Users Now I have the problem ...
69
votes
12answers
41k 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 ...
23
votes
3answers
6k views

Programmatically add widgets to sidebars

I would like to programmatically add widgets to my two sidebars that I've got. I couldn't find any official way of doing it? I started looking in the database. I've found that it's the ...
1
vote
1answer
146 views

Some doubts about how the main query and the custom query works in this custom theme?

I am pretty new in WordPress theme development and I'm not so into PHP (I came from Java and C#) and have the following situation in this custom theme As you can see in the homepage I first show a ...
1
vote
2answers
340 views

Clarification on filters and hooks

I am about to start my first WordPress project and I have the task of moving customized core code that override the core into separate functions/files (this way it'll be easier to maintain when we ...
55
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 ...
95
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, ...
43
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 ...
12
votes
5answers
759 views

How to mark every 3rd post

I'm working on a WordPress site for my band and I'd like to mark every 3rd post on our blog page to have a special class applied to it, anybody have any pointers on how to achieve this? Any help is ...
40
votes
2answers
16k 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 ...
9
votes
5answers
4k views

Change the text on the Publish button

Is there a way to change the text of the publish button on a custom post type to say some different? For example, Save instead of Publish. And also remove the draft button?
3
votes
1answer
3k views

Allow HTML in excerpt

Here is my excerpt code. // Generate custom excerpt length function wpbx_excerpt_length($length) { return 300; } add_filter('excerpt_length', 'wpbx_excerpt_length'); How do I allow html like ...
12
votes
3answers
2k views

Modifying WordPress core files

Why? Sometimes an easy fix to altering the behavior of WordPress itself or a plugin could be to alter the files of the plugin or WordPress directly. When coming up with such an idea, the usual ...
1
vote
1answer
2k views

How to Rewrite Wordpress URL for a Plugin

I am trying to build a Wordpress plugin here with a custom user admin area. What I would like to do is when the user adds /edit at the end of the page, it should open a page from my plugin. So for ...
0
votes
1answer
819 views

Upgrade Wordpress multisite to 3.5.1 problems

I'm upgrading multisite to 3.5.1 and it did not allow me to do automatic upgrading I see this message: "To perform the requested action, WordPress needs to access your web server. Please enter ...
87
votes
37answers
11k 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 ...
22
votes
1answer
20k views

Need help with add_rewrite_rule

SOLUTION I've gone with Update 3 and have got it working. What I had misunderstood, was that I believed that a rewrite rule would change designers/?designer=some-designer&bid=9 to ...
17
votes
2answers
10k views

How to Protect Uploads, if User is not Logged In?

I use wordpress for a private site where users upload files. I use the "Private WordPress" to prevent access in to the site if the user is not logged in. I would like to do the same to the files ...
12
votes
2answers
3k views

Turn a URL into an Attachment / Post ID

Is there any way I can take a URL of an image and find the attachment or post id of that image in the database? Here is the situation: I'm in a loop going over all the 'img' tags that are surrounded ...
3
votes
1answer
2k views

Template issues getting ajax search results

I'm trying to put search results into a div with ajax. The issue is I'm getting errors saying undefined function have_posts() when the the search template is accessed. It also took issue with ...
6
votes
1answer
967 views

Page returns 404 with POST variables, but not without

I have a problem with my page. I'm trying to make a "Contact Us" page. It's working perfectly fine design-wise. But when I try to send the form to the same page as origin. It returns 404 error. It ...
1
vote
2answers
2k views

Shortcode always displaying at the top of the page

I'm using a shortcode to pull in different loops via the loops-name.php. For some reason it is always at the top of the page. I googled it and using echo instead of return causes that problem but with ...
22
votes
1answer
4k views

Passing a parameter to filter and action functions

Is a way to pass my own parameters to the function in add_filter or add_action. For example take a look in the following code: function my_content($content, $my_param) { do something... using ...
30
votes
10answers
19k 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 ...
8
votes
4answers
7k views

changing notification emails from WordPress <wordpress>@mydomain.net to something else

How do I change notification emails address from WordPress @mydomain.net to something else. I want to do this because WordPress @mydomain.net ends up getting flagged as junk mail. Thanks Daniel
6
votes
3answers
4k views

Add extra parameters after permalink?

How can I add extra parameters after a permalink, specifically if I'm using a custom post type? For example, let's say http://mysite/album/record-name was the permalink. How can I make ...

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