Plugins are tools to extend the functionality of WordPress. This tag should not be used to mark requests for plugin recommendations, which are off-topic per the FAQ.

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16
votes
3answers
3k 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. ...
240
votes
108answers
120k 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 ...
34
votes
1answer
4k 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?
53
votes
2answers
32k 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 ...
12
votes
1answer
3k 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 ...
76
votes
12answers
53k 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 ...
101
votes
9answers
17k 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, ...
46
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 ...
29
votes
2answers
8k 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 ...
13
votes
3answers
5k views

Implementing a CrunchBase.com Clone using WordPress?

I wish to create something like CrunchBase.com with WordPress.org (So to have one website that is a "database", and another one, which is a blog, that connects to it). Is it possible? and how? ...
14
votes
4answers
7k views

How can I make add_image_size() crop from the top?

I have a series of posts, all with featured images, but I need to be able to customise the crop top right corner. In this instance, I need them to be cropped from top right, but it would be useful to ...
55
votes
7answers
5k 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 ...
8
votes
2answers
26k views

How to customise the output of the WP image gallery shortcode from a plugin?

We're building a plugin that displays posts, and we also want to display the image gallery when it is used in a post. However, we need to limit the number of photos displayed? Is that possible?
30
votes
2answers
8k views

Between functions.php, widgets and plugins, which is loaded first?

Customer asks if a specific carousel plugin he uses can be widgetized. That means i should create a widget inside functions.php which calls the plugin's function. That means that the plugin's code has ...
26
votes
2answers
20k views

Create custom page templates with plugins?

Is it possible to make custom page templates available from a plugin?
32
votes
13answers
3k 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 ...
4
votes
3answers
8k views

Add Plugins to Wordpress Theme

I'm creating a wordpress theme that I aim to sell at some point. Now, I've discovered that some of the wordpress.org plugins would be great for things that I want to do. They already hold much of the ...
8
votes
4answers
2k views

Is there a WordPress plugin that registers a plugin file as a custom page template?

I need to create a plugin that makes custom page templates available in wp-admin. I'm wondering if someone has tackled this already, as it seems like a pretty typical process?
5
votes
1answer
2k views

How to make simply “report” button on posts

I'm building up a video-site using wordpress. It embeds videos from different sites. I really need a simply "Report broken video"-button that saves the url in a database or emails it to me. I've ...
8
votes
1answer
1k views

How to load wp_editor via AJAX

Does anyone know how o load wp_editor via AJAX in WordPress? My markup and editor is getting loaded properly but editor controls are not getting loaded properly, it may be because Javascript is not ...
4
votes
2answers
577 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, ...
7
votes
1answer
540 views

How to create a flexible abstraction for WP_Query?

My question is about php but it involves wordpress as i am creating a plugin. The case is that i have 5 questions, each question have 6 choices and one choice to choose from each. Now the person would ...
5
votes
5answers
830 views

Membership / subscription plugins - alternatives [closed]

Does anyone have recommendations (backed by experience) for a membership plugin that can Provide for recurring subscriptions via PayPal Allow selected posts to be visible only to subscription ...
7
votes
5answers
2k views

Adding Additional Attributes in Script Tag for 3rd party JS

I ran into this when attempting to integrate Dropbox's drop in chooser API to a plugin I'm writing. The API documentation instructs you to place the following script tag at the top of your file: ...
1
vote
2answers
524 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 ...
2
votes
1answer
236 views

How to add terms to a post depending on its title?

I want to add all posts with keyword "Dog Training" in the post title to a specific category. Reason: If you enter something into WordPress search it's not an exact match. Previous WordPress search ...
9
votes
3answers
14k views

How To Activate Plugins via Code?

If possible, how can installed plugins (meaning the files have been placed in wp-content/plugins directory) be activated from other plugins?
20
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 ...
11
votes
2answers
21k views

Woocommerce - Add a product to cart programmatically via JS or PHP [closed]

I am using the Woocommerce plugin to facilitate a small e-commerce part of a site and need to add products to it's cart via some call or function rather than using it's own 'add-to-cart' buttons. By ...
11
votes
3answers
2k views

Open Source Forum for wordpress similar to stackexchange or stackoverflow [closed]

I have to add forum feature in my wordpress blog.I see bbpress but would like to add forum similar to stackexchange or stackoverflow. Please let me know.
8
votes
2answers
6k views

List all sidebar names?

I'm listing all sidebars like that: global $wp_registered_sidebars; echo '<pre>'; print_r($wp_registered_sidebars); echo '</pre>' So I'm getting something like: Array ( ...
6
votes
2answers
936 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 ...
4
votes
2answers
3k 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 ...
0
votes
1answer
323 views

Trying to avoid including wp-load.php

I am working a plugin where I am trying to connect an HR system with WordPress. There is an XML API on the HR system so I have written the plugin to take the data and put it into a WordPress database ...
32
votes
4answers
9k 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 ...
18
votes
3answers
5k views

How can I stop WordPress from prompting me to enter FTP information when doing updates?

How can I stop WordPress from prompting me to enter FTP information when doing updates?
17
votes
5answers
15k views

best way to overide plugin CSS?

currently, I use CSS specificity to override plugin styles. I prefer this to editing the plugin as it makes for less headaches when you update. What would be nice is if my style sheet loaded after ...
16
votes
2answers
9k views

Disable update notification for individual plugins

Is there a way to disable update notifications for specific plugins? As a plugin developer, I have some plugins installed on my personal site using the svn trunk version for testing, but the same ...
12
votes
5answers
3k views

How to include code only on specific pages?

I'm learning about plugins and shortcodes. I noticed that when I activate my plugin its code gets loaded on all of my pages-- even pages that don't have my shortcode. (I don't mean content vs. admin ...
6
votes
5answers
3k views

Wordpress 3.5 Media Manager - add a button

In my plugin, I would like to add two buttons to Media Manager (to the left of "Insert Into Post" in "media-toolbar-primary" section), and connect a jQuery action to it. First one - The "Select All" ...
12
votes
2answers
900 views

How do I exclude plugins from getting automatically updated?

There is an opt-in filter that allows all plugins on my site to receive automatic updates: add_filter( 'auto_update_plugin', '__return_true' ); I like this feature, but I don't want all my plugins ...
7
votes
4answers
3k views

Update plugin from personal API

I'm developing a wordpress plugin at the moment which I do not want in the Wordpress plugin repository. However I still want to be able to push updates to my costumers from my own API repository. ...
7
votes
1answer
4k views

Restricting a Plugin to Only Load its CSS and JS on Selected Pages?

I'd like to cause a plugin to restrict its loading of CSS stylesheets and JavaScript JS files to only those pages for which they are needed. An example for my question is the plugin Contact Form 7 ...
3
votes
1answer
2k views

Is it possible to define a template for a custom post type within a plugin independent of the active theme?

I'm writing a plugin to manage data about open-source projects. I developed an object model and have successfully created all custom post types and taxonomies, as well as implemented the correct ...
3
votes
2answers
461 views

Tag selector like stackexchange?

I'm creating my own form based on this and I'd like to have a tag selector which is similar to the one on StackExchange. I can roll my own but I was wondering if something similar already exists. ...
1
vote
2answers
717 views

How to use WP-FirePHP extension?

http://wordpress.org/extend/plugins/wp-firephp/ I'm simply supposed to call fb('Error message','Lable') but it doesn't work all the time. I can't figure out when and where the relevant files are ...
37
votes
2answers
4k 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?
4
votes
2answers
3k views

Pass PHP variable to javascript

Is there any possibility to pass some PHP variables in javascript so I can use them later? Only in single.php. I heard about wp_enqueue_scripts but with that it is neccesary to declare a path to a JS ...
3
votes
3answers
10k views

Make thumbnails in woocommerce replace the main image instead of opening fancybox

I would like the thumbnails underneath the main image on the single product page to replace the main image when they are either clicked or on hover, I prefer hover. Right now the thumbnails just open ...
3
votes
1answer
3k views

How to solve a conflict between a plugin and a theme?

I'm using Photospace as a gallery slider within my hatch pro wp theme (you can check here). The default transition effect between slides is a crossover effect (like this example), but the effect in ...