All Questions

It seems like half the tutorials in the Codex and around the blogosphere use query_posts() and half use WP_Query. What's the deal?

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 ...

I do development on one box and use a second for production. Right now I just dump the database and then do a find a replace for the URL changes; then copy over the files and import the new SQL. Are ...

I read @nacin's You don't know Query yesterday and was sent down a bit of a querying rabbit hole. Before yesterday, I was (wrongly) using query_posts() for all my querying needs. Now I'm a little bit ...

How can I get WordPress post content by post id?

I have a website for which we are trying to be discreet about the fact that we are using WordPress. What steps can we take to make it less obvious? EDIT- Important security note: Please understand ...

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, ...

One of the most common security best practices these days seems to be moving wp-config.php one directory higher than the vhost's document root. I've never really found a good explanation for that, but ...

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 ...

So WP 4.2 introduced emojis (smileys) that basically adds JS and other junk all over your pages. Something some people may find shocking. How does one completely erase all instances of this?

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 ...

I have added a custom/secondary query to a template file/custom page template; how can I make WordPress use my custom query for pagination, instead of using the main query loop's pagination? Addendum ...

Is it possible to get a page's permalink from the slug alone? I'm aware that you can get the page's permalink from the ID using get_page_link(): <a href="<?php echo get_page_link(40); ?>">...

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 ...

I am looking for a way to test if a post is a custom post type. For example, in, say, the sidebar I can put in code like this: if ( is_single() ) { // Code here } I want code testing for only ...

I have a menu defined in WP Admin that looks like this: I want to be able to display all the child links on the sidebar whenever I am at a parent page. For example, if the user is on my "About Us" ...

I have come across a function before that displayed the exact SQL code that was used. In a loop for example, but can't remember. Can anybody tell me that function?

How can I check to see if the current logged-in user is an administrator or an editor? I know how to do each individually: <?php if(current_user_can('editor')) { ?> <!-- Stuff here for ...

My for-fun WordPress blog at http://fakeplasticrock.com (running WordPress 3.1.1) got hacked -- it was showing an <iframe> on every page like so: <iframe src="http://evilsite.com/go/1">&...

Normal Wordpress Menu looks like: Home | Blog | About us | Contact But I've seen many pages with descriptions under these links: Home Page | Our Blogs | About us | Contact ...

I am trying to retrieve the slug of the current WordPress page outside the loop. The title of the page returns with wp_title (), but how can I get the slug? <li> <a href="/slug-of-current-...

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 ...

The more customization I make to WordPress the more I start thinking about if I should be organizing this file or splitting it up. More specifically, if I have a bunch of custom functions which only ...

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 ...

I want to connect wpdb to another database. How do I create the instance and pass it the database name/username/password? Thanks

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 ...

The add_menu_page documentation says to pass the menu title as the second parameter: add_menu_page('Page Title', 'Menu Title', ...); When adding more pages later via add_submenu_page, the main page ...

I was trying to update my wordpress core to 4.5.1 but my system was missing some permissions, and now after giving correct permission, I cannot get rid of that message and I cannot upgrade. Tried to ...

Besides installing W3 Total Cache or another caching plugin what steps can I take to make sure that my theme and site run as fast as possible.

I use WordPress for a private site where users upload files. I use the "Private WordPress" to prevent access in to the site if the user is not logged in. I would like to do the same to the files ...

Codex loosely only mentions PHP version in server requirements, however PHP can be configured in pretty wide range of excluding/including different parts. What are extensions/libraries that: are ...

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 ...

By now there is a considerable amount of WordPress code around that is meant to be re-used by other developers. Unfortunately there is little to none practical and solid information on it and ...

How can I edit a user profile in the front end with a form? first name, last name, username, email address and password

Has anyone used autoloading and/or PHP namespaces within a plugin or theme? Thoughts on using them? Any harm? Pitfalls? Note: namespaces are PHP 5.3+ only. Assume, for this question, that you know ...

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 ...

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 ...

Is it possible to rename the wp-admin folder? I know I could just rename it, but unless it's supported by the code lots of things would break. If I use a custom folder name, it will make it slightly ...

I've already added my scripts, but I wanted to know the preferred way. I just put a <script> tag directly in the header.php of my template. Is there a preferred method of inserting external or ...

I'm currently developing my WordPress locally, committing my code to GitHub with Git and then SSHing into my server and doing a "git pull" to update my code. Is this a good option for code deployment ...

I've found that is_front_page appears to return true when I'm viewing the home page and have a single sticky post assigned there. It also returns true when I've assigned a page as the static front ...

My understanding is that site_url() returns the location where the WordPress core files are. If my blog is hosted at http://example.com/blog then site_url() returns http://example.com/blog But then ...

I've added a new page under "Pages" in the wordpress admin, and added several custom fields. I'd also like to be able to add an upload image field to the page editor - is there some way to do this via ...

While looking through the function reference entry for wp_insert_post(), I noticed that there's no parameter in the array it requires which will allow me to set the 'Featured Image' for a post, ...

I've found this to display the current name of the file used in template: function get_template_name () { foreach ( debug_backtrace() as $called_file ) { foreach ( $called_file as $index )...

I have a pretty specific requirement to show different text in a field label on the user profile page based on the current user's role. I can't seem to figure out how to check whether the current use ...

Is it possible to make custom page templates available from a plugin?

I would like to programmatically add widgets to my two sidebars that I've got. I couldn't find any official way of doing it? I started looking in the database. I've found that it's the '...

I had a close look at Wordpress memory consumption. On my site, it seems that for each page hit 20MB of RAM gets allocated, just to prepare comfy environment for all the plugins to run in. I plotted ...

In my functions.php file I would like to remove the below filter, but I'm not sure how to do it since it's in a class. What should remove_filter() look like? add_filter('comments_array',array( &$...