WordPress Plugins allow easy modification, customization, and enhancement to a WordPress blog. Instead of changing the core programming of WordPress, you can add functionality with WordPress Plugins
20
votes
1answer
5k 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, ...
16
votes
3answers
857 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 ...
6
votes
3answers
302 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. ...
25
votes
1answer
2k 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?
37
votes
17answers
2k 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 ...
73
votes
37answers
7k 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 ...
44
votes
27answers
6k 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 ...
1
vote
1answer
285 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 ...
32
votes
6answers
4k 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 ...
9
votes
1answer
702 views
Symbolic Links on dev box with plugins and stylesheets
I'm using mac os x 10.6 with xampp.
http://wp3.1/ is the url to where I have WordPress installed.
The physical path is /Users/myUserName/Sites/wp3.1/
I do not install plugins or themes in the ...
6
votes
1answer
620 views
What is the advantage of using wp_mail?
What is the advantage of using wp_mail() over mail(). Codex says they're similar, but they seem to be very similar.
9
votes
2answers
508 views
Strategy On Building Plugin Using Eclipse
Anyone who has experience in building wordpress plugin using eclipse PDT?
My situation is:
I need to build plugin that extend another plugin (look at it as premium version from another plugin)
I ...
1
vote
1answer
3k views
Any examples of adding custom fields to the category editor?
I think I'm pretty close to cracking this nut :)
I'm trying to add a set of custom fields to the Category editor. Since I'm not dealing with post meta, I believe I'll be writing my custom category ...
12
votes
4answers
5k views
How do I add CSS options to my plugin without using inline styles?
I recently released a plugin, WP Coda Slider, that uses shortcodes to add a jQuery slider to any post or page. I am adding an options page in the next version and I would like to include some CSS ...
3
votes
2answers
1k views
Redesigning Custom Post Type “Add New” page
I've been browsing all over google for a solution to this. I'm writing a custom post types plugin for work to log-in visitors that we get. I initially wrote a mock-up without custom post types, then I ...
25
votes
13answers
985 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 ...
2
votes
3answers
4k views
Category listing with thumbnail and description on home page
I really need a comprehensive solution to this, so I'm offering up almost a quarter of my rep in bounty :)
I would like to have a plugin that creates a custom category listing on my home page. To do ...
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 ...
5
votes
2answers
308 views
Looking for WordPress System Diagrams
I am looking for WordPress chart/diagram system design.
I found only the template hierarchy diagram, but it's only part of the system.
source: ...
4
votes
3answers
845 views
How should one implement add_settings_error on custom menu pages?
The Professional WordPress Plugin Development book explains in detail how to properly use the Settings API, and it also demonstrates how to add Menus and Submenus, but unfortunately it doesn't provide ...
4
votes
1answer
1k views
How can I add columns to the post edit listing to show my custom post data?
When you click on "Posts" or "Pages", you get a paged listing of your posts or pages with the following columns:
Title | Author | Categories | Tags | Date
I have a plugin which gives an SEO score ...
1
vote
2answers
598 views
How to trap “Publish” button to check for meta box validation?
I'm trying to do some form validation on my custom meta box, and I remember somewhere reading about some javascript function to disable/enable the Publish button - except I can't find it.
How do I ...
1
vote
2answers
414 views
How to get posts by content?
I found the following codes to get post details.
However, it is not possible to get the posts by content.
Does any one has any ideas?
get_posts()
//// get post ////
$args = array(
'numberposts' ...
26
votes
8answers
4k 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 ...
17
votes
1answer
840 views
Add multiple plugin directories
The task
You can register add additional Themes directories using register_theme_directory() for your WP installation. Sadly core doesn't deliver with the same functionality for plugins. We already ...
5
votes
1answer
3k views
Quick edit screen customization
Possible Duplicate: How to show custom meta box on "Quick Edit" screen?
I'm trying to edit the quick edit screen on my custom post type "visitor" so that I can add some options for my end-users. My ...
2
votes
2answers
2k views
What is the recommended way to create plugin administration forms?
I have seen and been using the following technique for adding php scripts to my plugin for handling custom forms in a wordpress plugin.
from the quizzin plugin:
$code_pages = ...
5
votes
3answers
2k views
Creating a default Custom Post Template that a Theme can override
I'm in the midst of building a Wordpress Plugin that adds a custom post type, for which I'd like to include a default template to display. Essentially, this is an event management plugin, and the ...
10
votes
4answers
1k 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, ...
6
votes
2answers
1k 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 ...
2
votes
2answers
2k views
Making a plugin file accessible via url rewrite?
In my WordPress plugin I have a php file that generates some stats about the blog and outputs it as a simple text file. To access WordPress functions I've included this at the top of the file:
...
0
votes
2answers
220 views
PHP error with shortcode handler from a class
Currently i am using the following generic flow for adding the shortcode for a plugin.
class MyPlugin {
private $myvar;
function baztag_func() {
print $this->myvar;
...
4
votes
1answer
326 views
Upload file to remote storage
I am looking to overwrite the existing upload functionality to save the file on a remote storage service. The remote storage has an HTTP interface that allow me to post file and return an addressable ...
4
votes
1answer
282 views
Modifying the way WP sets cookies
I'm trying to create a custom plugin that will change the way that wordpress names its cookings. Specifically, I want to write my own version of wp_user_settings().
I know I probably shouldn't hack ...
1
vote
3answers
300 views
How do you store options with a:n:{{}} syntax in wp_options?
I'm checking out how a particular plugin works and noticed that it stores its data for option_value in wp_options in this array format...
...
3
votes
2answers
987 views
How to implement bulk actions in my plugin?
I am developing a WordPress plugin.
This plugin displays a list of courses. Now I want to implement the bulk actions just like in other plugins. From where I can apply the delete and edit actions to ...
1
vote
1answer
259 views
How to use a Must-Use plugin to hide a regular one and to hide itself?
When solving this issue ( Change admin language based on user (in single-site) ), I did a function so that the plugin would auto-hide from all users except one (me:).
The flaw is that it only ...
1
vote
1answer
1k views
template_include (overriding default plugin templates via current theme)
This is an extension of this question/answer. A comment on that question references that template_include is preferred to template_redirect when loading templates from a plug-in.
However, hanging ...
1
vote
3answers
2k views
Mapping multiple URLs to same page in wordpress
I just came across this page with almost similar requirements as mine
Multiple endpoints to same page
i have to achieve same functionality but i also want to pass some parameters to the page where ...
1
vote
2answers
293 views
Missing “category_children” option when dynamically creating categories via a plugin
I've isolated the source of a fatal error that's been occurring when a brand new site is previewed just after installing and activating the plugin I'm working on.
The problem appears to be that the ...
0
votes
1answer
229 views
Filters 'request' and 'parse_query' not firing in sites.php nor link-manager.php
I'm trying to make sortable columns in Sites and Links listings admin pages.
/wp-admin/network/sites.php and /wp-admin/link-manager.php
The problem is the following filters are not firing up in ...
14
votes
8answers
1k 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 ...
18
votes
5answers
5k views
Creating a table in the admin-style?
What is the recommended way of creating a page with a table, in the style of the tables showing posts or users in the admin area?
I am expanding the Cache Images plugin, and it contains a table with ...
20
votes
7answers
1k views
What Plugins Demonstrate Great WP Plugin Development?
I'm going to be tackling my first plugin soon and I'm looking for plugins which you feel are of very high quality, under the hood. Stuff I can use as an example while I design the framework for my ...
8
votes
1answer
2k views
Difference Between Filter and Action Hooks?
I have been looking at the plugin API a bit more in depth recently and I was wondering what real differences there were between action and filter hooks. They both are events that receive data as a ...
16
votes
4answers
563 views
Who are the most trusted plugin developers? [closed]
Note: 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.
There are so many plugins out there. Whose plugins can ...
11
votes
3answers
311 views
What are the common security flaws I need to look for? [closed]
As a wannabe WP plugin developper, what are the main security flaws/holes I should look for?
I'm about to create a new plugin with a configuration panel (ie input fields and stuff). What should I be ...
9
votes
4answers
3k views
Post meta vs Seperate database tables
When developing plugins that requires data storage, what's the pros and cons of using one method or another ?
The explication given in the codex is not detailed.
Before jumping in with a whole ...
7
votes
1answer
1k views
Should I use custom post types or a custom database tables for plugin development?
I'm fairly new to writing wordpress plugins, but I've jumped in the deep end already and I want to make sure I'm doing it "right" on my upcoming big project.
I'm going to be heavily extending ...
2
votes
2answers
1k views
how to create child WordPress plugin
I like to create child plugin..
Explanation :-
I have one parent plugin named X . This will work independent( like other existing plugins).
now i decided to add some extra futures to that plugin ...
