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.

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3
votes
2answers
77 views

What is the added “complexity” of custom tables?

Wordpress Codex says: Think very carefully before adding a table because it adds complexity to your plugin that many users and site builders prefer to avoid. Why is it so? Adding more tables is ...
3
votes
1answer
453 views

Build path for a custom portfolio plugin

I'm finishing up a personal site that I've spent many weekends on. I've left one of the (potentially) most complicated parts to the end of production. I'm looking for some advice on how to proceed ...
3
votes
1answer
453 views

How Does Wordpress Uninclude/Deactivate A Plugin?

Wordpress uses the Observer Pattern for its plugin system and operates on the premise of checking if a plugin is activated, scanning the plugins directory and storing everything in an array in the ...
3
votes
1answer
363 views

Are shortcodes case-sensitive?

If I write a plugin and register a shortcode using this code: add_shortcode('footag', 'footag_func'); and a user uses this in their post: [FOOTAG] Is it supposed to work?
3
votes
1answer
6k views

How to Use Checkbox in Custom Option Page Using The Setting API

Can you please let me know how I can add a checkbox to Setting API in creating Custom Options Page? I am using the following code to add a txt box which is working perfectly but I am totally confused ...
3
votes
4answers
836 views

How to avoid plugin name conflicts from the upgrade notifier?

I've wrapped a quick hack as a plugin to add Google Analytics to my site. Named it "Google Analytics" and, sure enough, WP offered me to upgrade my v0.1 plugin to some random plugin from the plugin ...
3
votes
3answers
2k views

Shortcode adding p and br tags

I apologize as I realize this has been asked before and I believe the issue is with wpautop function adding closing p or br tags but every solution I've found has not worked so I'm at a loss for ...
2
votes
2answers
2k views

Menu Error in Admin Console with Custom Plugin: You do not have sufficient permissions to access this page

(Moderator's note: Original title was "Getting error: You do not have sufficient permissions to access this page. Trying to build custom plugin") I'm trying to write my own custom WordPress plugin, ...
2
votes
3answers
155 views

Change of query var in pre_get_posts not maintained

I'm creating a plugin that adds a custom feed. I am using a pre_get_posts filter to change the posts_per_page query var to -1 (to get all items of a custom post type). However, if I dump the $wp_query ...
2
votes
2answers
1k views

remove custom taxonomy metabox form custom post type

I have created a custom post type 'hotel' and custom 'taxonomy' so when administrator creates a new hotel and saves it it related custom taxonomy automatically get created but I don't want to show ...
2
votes
0answers
10 views

Custom values are not translated

I'm trying to translate my plugin. Inside plugin's root folder I have 'inc' folder, where located registration.php file. This file has a code, which adds custom fields to comment form. (I use right ...
2
votes
1answer
500 views

When can you get current page ID and initialize hooks right after?

I'm developing a plugin and need to know on what page user is and then add specific hooks and filters for that page. And my problem is that is_page() and the_ID() doesn't work outside of wp, wp_loaded,...
2
votes
1answer
669 views

When to check if a function exists

I've just started developing a WP plugin, and i've been reading some code from other plugins as a way to get started. I've seen a couple of plugins that wrap all or some of their functions in the ...
2
votes
1answer
213 views

Common functionality between my own plugins

I read that when creating new post types, creating a settings page, and creating a new taxonomy, you should create a plugin. So I have done that. But I have functionality, which could be generalized, ...
2
votes
3answers
570 views

wp_localize_script $handle

Can anyone tell me what the "$handle" ( first parameter ) of wp_localize_script is normally used for. Thanks. P.s.: I have no idea why but stackexchange is telling me this question dosen't meet ...
2
votes
1answer
1k views

How to duplicate custom menu settings to export to another site

I'm trying to write a routine that will pull items from the wp_options table in order to transport them to another site. The problem I have is that if the source site has custom menus, I'd like to ...
2
votes
1answer
290 views

Scheduled event does not run at midnight

I have an event scheduled to fetch feeds from different sources at midnight. I believe for some reason it is not being triggered. I use Core Control plugin for testing. When I 'Run Now' through it, ...
2
votes
2answers
246 views

Multisite, sharing content by URL

I have a network of two sites, A.example.com and B.example.com. I'd like it so that if I create a page on A with a permalink of /Widgets I can access it on B using the same relative permalink but ...
2
votes
2answers
899 views

Hook for post permalink update

I would like to know what hook should I used when the permalink/url of a post is modified. My goal is to get the old permalink and new permalink so I can used it for my plugin. Thanks. [EDIT] Just ...
2
votes
2answers
2k views

How to check if current static page is frontpage from admin plugin

I set static page as front page. I need to know if user currently on homepage in my custom plugin. Functions is_home() and is_front_page() doesn't works, since homepage is static page. I can get an ...
2
votes
5answers
10k views

what's the meaning of the field wp_capabilities in table wp_usermeta

I am new to wordpress, in table wp_usermeta I notice that we have a row meta_key meta_value wp_capabilities a:1:{s:13:"administrator";b:1;} First, what's the meaning of ...
2
votes
1answer
38 views

Make the plugin directory recognize new version numbers

I updated readme.txt Stable Tag and tagged versions 0.2, 0.3 and latest 0.3.1 in SVN. After checkin, the new version is recognized only partly: On the dev-tab it links to the latest version (0.3.1) ...
2
votes
2answers
1k views

Implement phpunit testing on a plugin

I've just finished writing a WordPress plugin implementing shortcode tag based autocompletion based on values retrieved from a database given an id set on a cookie. The plugin has a variety of ...
1
vote
1answer
169 views

Master menu item for multiple plugins?

I guess this question is more or less about aesthetics and organization rather than functionality, but I'm curious nonetheless... I know I can add a custom menu item in the dashboard for my plugin ...
1
vote
2answers
136 views

Failed to invoke other hook from the init hook

Related to this question (Use wp init hook to call other hooks?) but not the same. Sometimes, I found that the hook will failed to run when I place inside the init hook, e.g. Not Work: add_action('...
1
vote
1answer
825 views

Is it possible for a plugin to register a page template file?

Is there a way for a plugin to house page template files and have them available after plugin activation? E.g, I have a plugin that requires specific page page templates to be used, so I'd like ...
1
vote
1answer
551 views

Saving Plugin settings to the database

I'm not a complete novice with php or wordpress but am wanting to approach this problem the most efficient way so believe asking here will help. I've got a plugin that randomly generates a quote - I'...
1
vote
0answers
315 views

Modify how gallery.js builds the shortcode [gallery …] in tinyMCE?

The post editor helpfully removes default arguments like columns="3" from the [gallery] shortcode. How do you tell it to remove a custom attribute that has a default value? The answer at Enhance ...
1
vote
1answer
239 views

How to post form in ajax mode and handle it in wordpress

currently I can only do it in a normal non-wordpress way. So, does wordpress provide a solution for this circumstance?
1
vote
1answer
182 views

Why are two functions over-riding each other?

I have function in my plugin that is: add_filter('comment_text', 'commentimage_comment_text'); function commentimage_comment_text($comment = '') { $options = get_option('commentimage'); $id = ...
1
vote
2answers
564 views

Wordpress Settings API: saving multiple rows of similar data

I've been experimenting with the plugin options starter kit but can't find a way to save multiple rows of similar data using the Settings API. Example of what I'm trying to save: ...
1
vote
3answers
470 views

Plugin options table,is the data serialized

I am planning on building a plugin and i need to know if the data stored in the options table i will create for the plugin will be serialized or it will be in the ordinary sql format.
1
vote
1answer
2k views

Add async script

I am working on a plugin that has to inject a script on pages (something like RefTagger), which would be easy using wp_enqueue_script, but there are two reasons I cannot do that: the script tag has to ...
1
vote
1answer
80 views

Adding dynamic section to WordPress

[Edit: I've added a more concrete example below] I need to convert a custom PHP site to WordPress. The site has 60,000+ media items along with a ton of metadata, all of which needs to carry over to ...
1
vote
1answer
371 views

Plugin Settings not Saving on Ajax re-ordered table

This is an extension of Update Option Stored in Multi-Dimensional Array which was help getting draggable plugin options to save via ajax (which works), but unfortunately this is specific to the actual ...
1
vote
2answers
2k views

How do I only load js on the post-new.php and post.php pages in admin?

I have some script that is loading in the admin. I only need it to load on the new post and edit posts screens. What is the best way to do this?
1
vote
1answer
40 views

update_meta_user difference in i:1 and b:1, how to write b:1

This code leads to wp_cababilities being written to the database but with an i:1 in front. if( $new_roles === 'administrator' ) { $capabilities = array ("administrator",'activate_plugins','...
1
vote
5answers
368 views

Problems with removing admin bar

I am trying to remove the admin bar from a theme front end of a theme. I found the following code block: add_filter( 'show_admin_bar', '__return_false' ); remove_action( 'personal_options', '...
1
vote
1answer
907 views

Multiple entries in get_option results? or why is _multiwidget set to 1?

I am developing a wordpress widget, and need to store some user configuration values, that is why I am using wordpress update_option and get_option. I am new to widget development. I have some ...
1
vote
1answer
6k views

Wordpress metabox file upload in custom post [duplicate]

I'm relatively new to wordpres development and am stuck at this issue. I have created a custom post type which shows up in the admin menu. I need a metabox in it with a file upload field. The metabox ...
1
vote
2answers
91 views

Calling apply_filters on non-documented hooks

I have been trying to learn how to write plugins and I thought the best way would be to look at other plugins. I was taking a look at this one and the first lines /** * Plugin Name: Media Library ...
1
vote
3answers
4k views

Add post thumbnail from external image with plugin

I'm currently writing a plugin modifying the post content with the wp_insert_post_data filter. While doing that I would also like to add a post thumbnail using an external image url. It doesn't really ...
1
vote
1answer
2k views

How to determine wordpress base path when wordpress core is not loaded

I have a command line script for maintaining a wordpress plugin and have to determine the wordpress base path to be able to load the wordpress core. I could just assume the script is several levels ...
1
vote
1answer
517 views

Registration Form Validation in wordpress

I have validate the custom field in registration form, I read out the codex of wordpress so that itself i do this way. But I figure out it throws error like this one Call to a member function add() ...
1
vote
1answer
615 views

Mediaelement.js feature doesn't work

I am trying to add new feature to mediaelement.js. Here's one example http://mediaelementjs.com/examples/?name=loop Another example which I am trying to implement now is this- http://stackoverflow....
1
vote
1answer
1k views

How to use WP default post list tables in a plugin?

I'm developping a plugin to manage a base of users and I'd like to show them in the same type of table used in other parts of the WP admin (post lists, user lists, etc.), I'd like to have the same ...
1
vote
1answer
46 views

Do uploaded plugins get updates if they came from the wordpress plugin directory?

I'm a plugin developer and want to ensure my users are getting updates when I release an update within the wordpress plugin svn repo. I know if they search for the plugin through the plugin area of ...
1
vote
1answer
45 views

How to use is_multisite() in a must-use-plugin?

I want this code to be executed in a plugin in the mu-plugins folder. When executing in functions.php everything works fine, but when I try it as a plugin in mu-plugins this creates a blank page. if (...
1
vote
2answers
329 views

How can I view all WP generated thumbnails in Media Manager?

When WP creates thumbnails from the original uploaded image, they are hidden from view inside the Media Manager listing. Can they be made visible, via some filter or action so that you can selectively ...
1
vote
1answer
586 views

What URL do you pass to wp_remote_get to load the body of the current post's preview?

In the code below, I'm attempting to get a reference to the body content of the current post's fully rendered preview... $response = wp_remote_retrieve_body(wp_remote_get('http://localhost/mysite/...