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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0
votes
2answers
994 views

How to add pages to custom menus on the fly [duplicate]

Possible Duplicate: Can I add pages to my custom menu via script? My theme has a custom menu called "Custom Header Menu" and i've got a plugin that sets up site defaults and creates my ...
0
votes
3answers
396 views

Adding admin menus to wordpress

I am trying to add a menu box to Pages > Pages or Pages > Add New, basically whenever they access a page, be it to edit an existing page or add a new one, I would like to add a menu box under ...
0
votes
2answers
673 views

Possible to preset a widget's contents via a plugin script?

This plugin is a simple demo test to see if I can dynamically populate a pre-existing widget area with text. In this case, my theme has created the widget area "home-header-widget" and I'm trying to ...
0
votes
1answer
669 views

How to preset a sidebar widget with default content via script?

I'd like to add some code to my plugin populate a specific sidebar (if it exists) with a text widget containing preset content. Assuming that the sidebar I'm trying to preset is referenced by ID as ...
-1
votes
2answers
90 views

Fixing plugin for wpdb::prepare

A previous developer created a plugin for a website I manage and everything seems to work okay, except I'm getting the error "Missing argument 2 for wpdb::prepare()". I understand that the arguments ...
5
votes
2answers
366 views

What is the difference between using global $current_screen and get_current_screen()?

I have been looking at get_current_screen();. I have seen there is also a global $current_screen; that I could use. Here are two examples: // Using function function wpse_post_notice() { ...
5
votes
3answers
883 views

Trouble with Transient API when W3TC is activated [closed]

I'm using W3 Total Cache 0.9.2.11 on Wordpress 3.5.2. I've got a problem with transient API and w3tc's object cache setting. When I activate 'object cache' with memcached (other settings are ...
4
votes
3answers
11k views

Wordpress Vote Plugin - Vote Once and Track User

I've been looking through voting plugins and cannot seem to find one that works for me. I'm hoping you can help me out before I have to build my own as I'm tight on time. I have a page that will be ...
3
votes
1answer
387 views

Custom admin column disappearing when using Quick Edit [duplicate]

I have added a featured image column to my posts in the WP admin. This all works fine except when using the Quick Edit feature. Upon update, the column disappears, or rather isn't returned by the ajax ...
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 ...
3
votes
2answers
833 views

Re use authenticated HTTP connection or cUrl handle

We have a bespoke Wordpress plugin, which adds a meta box to the edit post page. The plugin accesses data from a semi-private HTTP REST API. The connection is authenticated (DIGEST) and accessed ...
3
votes
1answer
883 views

Error with Custom Admin Screen in iframe Thickbox

I have a plugin that adds a new admin screen in an iframe. I created a PHP file in my plugin, and I put a link with a class of Thickbox to that. Everything works just fine, but it produces a PHP error ...
3
votes
1answer
739 views

How to use the settings API to set multidimensional arrays

I'm writing a course information plugin. Most course info is related to to a post (a custom post type of 'course'), so I have put the majority of info in the postmeta table. But some info isn't ...
3
votes
1answer
529 views

WordPress adding <br> tags into plugin content

We've written a plugin that shows reviews upon usage of a shortcode. On some sites, Wordpress is adding <br> tags throughout the shortcode content, and others it does not. The shortcode works ...
3
votes
2answers
4k views

Add a jQuery function to admin pages

I need to add a bit of document ready jQuery to post/page editors in admin. I'm hacking an old plugin that adds a text box to the editor page and handles inserting that text in a template file, but ...
3
votes
1answer
450 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
447 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 ...
2
votes
3answers
111 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
149 views

How to create collections that are edited in admin?

I'm not sure what this feature is called, but I've seen examples of this before. Lets say, on my site I want additional collections of things (besides blog posts) that have their own sections in the ...
2
votes
1answer
171 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
2answers
813 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 ...
2
votes
2answers
737 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
4answers
667 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 ...
2
votes
1answer
37 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
1answer
5k 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 ...
2
votes
1answer
328 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?
2
votes
2answers
1k 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
2answers
231 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
1answer
279 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
1answer
639 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
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 ...
1
vote
1answer
40 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
70 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
72 views

Adding content before the loop in category pages

I am creating a plugin and I want to show all sub category list in the top of every category page. I had created a function and call "wp_list_categories" in that function. The problem is when I call ...
1
vote
1answer
38 views

WordPress widget / plugin…fields not appearing in my widget

Trying to create my first plugin. A simple one. It's doing mainly what I want to do except the widget itself in Appearance-->Widgets doesn't display my fields. Wondering if anyone could point me in ...
1
vote
1answer
86 views

An echo line in a transition_post_status action leads to “cannot modify header information - headers already sent by”

I tried to set up an action hook with transition_post_status. Inside I wanted to set up a few conditional statements. To see if everything works I wanted to place a debug statement. Problem is as soon ...
1
vote
2answers
2k views

$_POST form request with admin-post

I tried to use a form with the following markup using the action admin-post.php <form method='post' action='admin-post.php'> I'm using the action hook suggested by Wordpress to proceed the ...
1
vote
0answers
239 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
4k 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
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
491 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 - ...
1
vote
1answer
318 views

Hello dolly type plugin that allows people to add their own

I am making a plugin that shows a random joke on a custom 404 page via shortcode and it is basically near enough the same as the default hello dolly plugin, where the jokes are hardcoded into the ...
1
vote
2answers
82 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
1answer
36 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 ...
1
vote
1answer
78 views

Create a Page via plugin

My problem is to show a list of products read from db tables. I know how to read them and I am able to produce the table, but only using a shortcode embedded in a page that I've created via WP. I ...
1
vote
1answer
43 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
1answer
470 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
476 views

When is it too late to call the action wp_enqueue_scripts?

I'm creating a plugin that always enqueues a script in the footer. I also have a function that if called would enqueue an additional script that depends on the other one. Here is the basic format of ...
1
vote
5answers
9k 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 ...
1
vote
1answer
168 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 = ...