Questions tagged [plugins]

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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11
votes
4answers
18k views

What is difference between get_bloginfo('url') and get_site_url()?

I am developing a plugin. I want to know difference between get_bloginfo('url'); and get_site_url(); I got same output, then what's the difference?
11
votes
2answers
943 views

Can I upgrade a plugin to a specific version?

I am testing plugin upgrades on a staging instance before applying them to production. But if there are any delays in this process, I may end up being prompted to upgrade to a newer, untested version ...
11
votes
2answers
20k views

“Add Media” button in custom plugin

I'm writing a custom plugin and i would like to add the "Add Media" button. I just need to upload media, not to retrieve any content/data from the uploaded file. How can I add this button? Thanks
11
votes
1answer
3k views

Check if add_menu_page exists or not

I'm working on a plugin that I have to release in parts. The problem is, if there is a menu in the page then add the new plugin to the 2nd or next submenu else add a new menu and then add the plugin ...
11
votes
1answer
13k views

Woocommerce: assign an “author” to a product

I'm developing my first theme for woocommerce. I need to be able to have "authors" (really "designers") assigned to woocommerce products. Is that feasible? I was thinking of using the wordpress ...
11
votes
1answer
2k views

Changing the “Plugin Activated” Message Default

Whenever an administrator in WordPress activates a plugin, upon the reload of the plugin page, a notice will appear upon successful activation reporting "Plugin Activated". Is there a way to change ...
11
votes
1answer
17k views

Where is the best place to use add_filter

Should I use the function add_filter In my plugin's init action hook or just the in the main plugin script? Since sometimes I found people is using filter all over the place and if I put in the init ...
11
votes
3answers
7k views

What could a hacker do with my wp-config.php

I am trying to secure my wordpress blog. I read some posts on the web that I should change my table_prefix and hide my wp-config.php. However, I do not get it? What could an attacker do with my wp-...
11
votes
7answers
12k views

How can I find plugins' slug?

I'm wondering how can I find plugins' slug (slug = internal name used by WordPress to do plugin updates and to determine which plugins are currently active)? It is usually plugin's folder name but if ...
11
votes
1answer
3k views

Is there any sort of theme dependency management?

I'm developing a Wordpress theme with a few other individuals and am running into a problem where I add a plugin and then I have tell the other developers about the plugin I installed and the settings ...
11
votes
1answer
271 views

Does the number of downloads displayed for a plug-in in the WordPress.org plug-in directory include automatic updates?

I'm wondering how the number of downloads displayed in the plugin-directory correlates to the number of actual websites using the plug-in. I realise some people will download and never install and ...
11
votes
5answers
6k views

Wordpress and magic quotes

I've been writing some Wordpress plugins, and I've been having some problem with Wordpress putting magic quotes on POST and GET data. Specifically, the "wp_magic_quotes" function in \wp-includes\load....
10
votes
2answers
33k views

Adding a second email address to a completed order in WooCommerce [closed]

Before I ask this question, I know there is a (legitimate) hesitation to answer questions here about Woo products since they have their own support and their users should be encouraged to use that. I ...
10
votes
2answers
14k views

How to check if user is in back end?

In my application, i have one form. Now if user is in front end i want to display the title but if he is in back end i do not want to display it. I do not want to check it based on user role.
10
votes
8answers
9k views

Turn Off Auto Update for Single Plugin

I have a plugin that I know I never want to update. I am aware that this is NOT best practice, but in this case it must be done. Is there any way to stop WordPress from prompting me to auto-update a ...
10
votes
3answers
3k views

Disabled plugins are they security holes - rumor or reality?

I've read many WordPress Security blog articles where the Security Experts are recommending some special steps to take care when somebody is concerned about their WordPress site's security. One of ...
10
votes
6answers
3k views

What are the best practices for updating?

Don't want to do anything to take down my blog. Here are some upgrade-related questions: How often should Wordpress be updated? What is the best way to do it? How to know if there is a problem with ...
10
votes
2answers
11k views

WP Rest API: details of latest post including featured media url in one request?

I'm using wp-rest api to get posts information. I also use wp rest api filter items to filter fields and summarize the result: When I call http://example.com/wp-json/wp/v2/posts?items=id,title,...
10
votes
2answers
2k views

How to create custom message on plugin update

I saw this message today when accessing my plugin page: So, how do I create this if I want to update my own plugins that's hosted on wordpress?
10
votes
3answers
441 views

Can I leave off plugin textdomain for terms used in core?

I've got a plugin that puts post statuses into post type admin menus. I'm in the middle of internationalizing it, and I'm wondering how to handle this situation. The plugin uses some unique strings ...
10
votes
5answers
3k views

Is it bad practice to create own table for a plugin?

If I want to save settings for my plugin then it is pretty easy and straight forward. Now I would like to save to the database a bit more. A file name, and 3 other values that only apply to that ...
10
votes
5answers
36k views

How to detect WP plugins used on a site

Is it at all possible to detect the list of plugins used on a WP site. Also, beyond my initial hunch, how can confirm for fact that a blog is indeed powered by WP?
10
votes
4answers
1k views

How to maintain W3C standards compliance of a theme

When I wrote a theme, I made sure it was compliant with XHTML 1.1 and CSS 2.1. Then I added plugins and the theme is no longer compliant with XHTMl 1.1. Then I used Google API font in my CSS and it is ...
10
votes
3answers
178 views

Generate dormant hook references

It seems a lot of plugin developers take the time to add filter/action hooks to let users tweak their products’ functionality. Which is great, but what they often don’t do is provide a list of hooks ...
10
votes
3answers
11k views

Building a custom REST API

I have a WordPress.org site which takes user input, searches a custom database and displays the results of the query. I have this working using the wpdb class. Now I'm trying to get this working for ...
10
votes
5answers
403 views

Using WordPress as a CMS: Developer preferences for custom vs existing plugins

I was just wanting to gauge some general feedback on how developers use WordPress as a CMS. I've started having a few client requests for websites built on WordPress. Most of the time, they're pretty ...
10
votes
4answers
3k views

How can I delete orphan keys in WordPress database tables?

In particular in table wp_options. After almost 2 years of blog production it seems increased a lot, and I don't know how many crap is in there. Do you know a plugin that works with WordPress 3.0 or ...
10
votes
2answers
9k views

How to Remove Certain Screen Options and Meta Boxes from add/edit post type?

Now, when you add or edit a particular post within your desired post type, there are more screen options as well. Although, these Screen Options are showing/hiding meta boxes. I would like to be able ...
10
votes
1answer
85k views

Woocommerce - Specific template for product category? [closed]

I'd like to create a specific template for specific category (not for single product). Is it possible and how to do it? Thanks,
10
votes
4answers
18k views

How do I call wp_get_current_user() in a plugin when plugins are loaded before pluggable.php?

The current result is "PHP Fatal error: Call to undefined function wp_get_current_user()" which makes sense, but doesn't help. I need to use $current_user. Here is the code I'm currently using: $...
10
votes
2answers
7k views

Why activate_plugin is not working in register_activation_hook

I am trying to activate second plugin automatically while activating first plugin. register_activation_hook(__FILE__, 'example_activation' ); function example_activation() { include_once(...
10
votes
2answers
750 views

How Can I Securely Implement a Password-less Login Feature?

Just posted a new plugin: No More Passwords I currently have it tagged beta because logging into a platform is a sensitive issue and I don't want to release something that may have security holes. So ...
10
votes
1answer
2k views

Media library - Limit images to custom post type

Is there some wordpress magic/plugin that will make the media library only show images that were uploaded to a specific custom post type? I have a custom post type called "artists", I want, when admin ...
10
votes
5answers
2k views

Syntax highlighting for post/page editor [closed]

Anyone know of a plugin that adds syntax highlighting to the post/page HTML editor? Thanks-
10
votes
1answer
430 views

run silex or slim with wordpress

I am running a theme on WordPress. In this theme, I am making some AJAX calls where I am expecting some response. (http://example.com/capis/v0/packages/) To serve above http calls I am using silex ...
10
votes
1answer
1k views

Override WordPress user with Oauth2 account

I am trying to set up WordPress as an OAuth2 client. All of our users are stored in our proprietary CMS which is an OAuth provider. We have very little (to no) users in our WordPress database, ...
9
votes
7answers
29k views

WooCommerce store with ~30,000 products [closed]

I'm investigating WooCommerce as a potential e-commerce solution, however my immediate concern (which I haven't been able to find information on) is the number of products. The proposed store needs ...
9
votes
4answers
8k views

I Want to Get A Plugin Version Number Dynamically

Howdy, I recently cribbed W3TC to implement an "in-update" changelist display (very cool), in my plugin, but there's an awkward bit of code I'd prefer to avoid. If you look at the top of this file, ...
9
votes
4answers
6k views

dealing with large HTML output via plugin code

I recently wrote my first WP plugin that adds a shortcode for embedding a custom jquery image gallery into posts. It's primarily just dumps a good chunk of HTML into the post, along with javascript ...
9
votes
2answers
8k views

How to check if a theme is active?

I'd like to be able to check if the twentytwelve theme is active. I know if I was checking for an active plugin I'd do something like: $active_plugins = apply_filters( 'active_plugins', get_option( '...
9
votes
1answer
42k views

WooCommerce: List All Categories

I'm using the WooCommerce plugin with WordPress and within my theme I'd like to list all categories within a navigation menu with PHP. I've tried using woocommerce_product_categories(); but I don't ...
9
votes
1answer
821 views

Why is it important to deactivate a plugin before deleting it?

I stumbled across this page, where it says that wp plugin delete does this: Deletes plugin files without deactivating or uninstalling. Why is it important to deactivate a plugin before it is deleted? ...
9
votes
3answers
24k views

How do I replace a function, declared inside a plugin's class, in functions.php?

I want to modify a function in a plugin. It is declared in the plugin's main file like this: class WCPGSK_Main { ... public function wcpgsk_email_after_order_table($order) { ... } } Add ...
9
votes
5answers
24k views

Delete tables from database when deleting plugin

I created a plugin and want to add a function to delete my tables from the database when a user deletes my plugin. I created a function that deletes tables from the DB when a user deactivates my ...
9
votes
2answers
13k views

Reposition WooCommerce breadcrumb outside of wrapper content

I currently have this code in my functions file for the WooCommerce plugin.. function my_theme_wrapper_start() { echo the_breadcrumb(); echo '<section role="main"><div class="wrap">';...
9
votes
2answers
9k views

How do i know the current post type when on post.php in admin?

Im trying to do something with an admin_init hook if - and only if - the user is editing a post (post.php) with post type "event". My problem is that, even though wordpress points to a global variable ...
9
votes
3answers
18k views

How to use classes declared in another plugin?

I'm developing a Wordpress Woocommerce plugin. On my local environment it works fine but I have problems when adding the plugin to a replica of the prod environment. I am new to wordpress and not very ...
9
votes
8answers
16k views

Is there a way (plugin?) to restrict a user to being able to edit just one page?

We use wordpress like a CMS and would very much like to allow users to have a "homepage". Ideally they'd be prevented from mucking up the whole site. Is there a simple way to limit users editing ...
9
votes
3answers
681 views

Best Practice for Referencing the Plugin Directory

My plugin uses the following code to reference a file, but I've read WP_PLUGIN_DIR won't work if a user renames the default plugin folder. I would also like to replace /location-specific-menu-items/...
9
votes
3answers
8k views

Difference between a theme and a plugin?

I'm curious as to what the specific differences are between a theme and a plugin. I get the gist of it...themes have to do with look and feel (html / css) and plugins have to do with adding ...