The server-side programming language that the WordPress core, plugins and themes are written in.

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3
votes
1answer
597 views

Query both first_name and last_name from wp_usermeta at the same time

I'm trying to fetch both the first_name and last_name of all users at the same time, using the wpdb-object and the wp_usermeta table. I can't seem to figure out how to get both in the same query. ...
3
votes
1answer
687 views

How to get the custom header image's alt text?

I'm using a custom header in my theme. My aim is to add an alt attribute to my custom header img element. My img element so far looks like this: <img src="<?php header_image(); ?>" ...
3
votes
2answers
373 views

is there a simple way to list every templates / php files used to generate a specific page?

To customize a theme , it is not always easy to trace every files that are used and find out which one do what . For example i' like to find out how my menu is generated so i can add some conditions ...
3
votes
1answer
267 views

Adding Custom Fields for Img in Posts

I'm wondering how I'd be able to set a custom field within my Wordpress posts. I want to have a field available to add an image via the Post dashboard - that has a max width & max height set, I ...
3
votes
3answers
6k views

How to set custom cookies before output

What's a surefire way to check/set cookies before the php headers are sent? Is there an action or filter that would be the best place to hook a setcookie() function?
3
votes
1answer
80 views

How to get the registered sidebar's name by its id?

Let's say I have this code in my "functions.php": function mytheme_widgets_init() { register_sidebar( array( 'name' => esc_html__( 'Sidebar Name', 'mytheme' ), 'id' ...
3
votes
2answers
134 views

What is the most efficient way to search users by their display name?

Initially I thought I'd use get_users() but it turned out it doesn't support the display_name field. Then I've read about using WP_User_Query, but when I do it always exhausts the allowed memory size ...
3
votes
1answer
4k views

How to add a class to the attachment images

When I'm in the Wordpress editor and I add an external image with the 'img' button, my html result wil be like this: <img src="http://example.com/image.jpg" alt="image" /> How can ...
3
votes
1answer
454 views

Check php version before theme activation

I've got theme that requires php 5.3+ version. If older - fatal error occurs with it. So what I need to do when user try to activate this theme is to check php version before going into theme code ...
3
votes
1answer
9k views

what is the use of /wp-includes/SimplePie?

I have this location on my server. /home/localhost/public_html/wp-includes/SimplePie. I have not installed samplepie plugin. What is it used for since it is not associated with samplepie plugin. The ...
3
votes
1answer
1k views

Why Can't PHPUnit UnitTest My Wordpress Website

I have been researching this issue for days and although many people ask this question I never found a clear and concise answer. I am running: PHP Unit: Version 3.7.21 WordPress: Version 3.5.1 OS: ...
3
votes
6answers
24k views

How to stop form resubmission on page refresh

Hi I have a form that adds attachments to a post, however when the form posts it obviously doesn't show the post with the new attachment echoing "your file has been uploaded". When the user refreshes ...
3
votes
2answers
753 views

How can I add dropdown widget/box to admin post page?

I am trying to figure out how to add a dropdown widget to the post page. The reason I ask is because I would like to be able to have a few different post classes that the user can select while making ...
3
votes
2answers
1k views

How to hide get_theme_mod if field empty

I'm using: get_theme_mod to show various pieces of info from the theme customizer, in the following format: <a href=" <?php get_theme_mod( $name, $default ) ?> ">This is the ...
3
votes
1answer
718 views

Site Title and Tagline in Theme Options Page

I'm using the Options Framework Theme to put together an options page. The user(s) I'm building this for would like to be able to edit a few settings directly from this page, including of which - the ...
3
votes
2answers
1k views

queries inside of a class

I'm building a plugin and I'm quite new to wordpress I have a class what has couple of methods what should execute database queries. The class look as it follows class MyClass{ private ...
3
votes
1answer
339 views

Restrict users from editing post based on the age of the post

How can I restrict users (based on Capabilities) from editing their published posts after a custom amount of time. For instance, a user that can publish_posts (authors) can not edit a their post if ...
3
votes
1answer
1k views

How do I override the Message-ID header of wp_mail function?

I have a custom notification function for our comments editor, who prefers to have all comments from one article threaded together in her email client. To achieve this, I'm creating a custom ...
3
votes
1answer
50 views

Bypass .htaccess when using download_url

I've got the following .htaccess file in my a custom directory in Uploads called client. RewriteEngine On RewriteCond %{HTTP_REFERER} !(www.)?example.co.uk/client-area* RewriteRule ^.*$ - [R=403,L] ...
3
votes
1answer
92 views

Displaying post per day

Currently I have the code displayed below. <?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?> <div class="col-lg-3 col-md-4 col-sm-6 col-xs-12"> <a ...
3
votes
1answer
151 views

Walker class: Problems with understanding how walk() method can be called without error

I am struggling with understanding how WordPress uses the Walker class. In particular, I don't understand the walk() method (I think). First, let me explain what I understood: When calling ...
3
votes
1answer
221 views

How to get the post count for the last x days filtering by categories

How can I get the posts count for eg the last 4 days, but only for specific categories eg. (1,2,3)? Thanks in advance.
3
votes
1answer
617 views

Modify image while uploading

I have a plugin which uploads image using wp_upload_handler here is a function: //handles upload, a modified version of bp_core_avatar_handle_upload(from bp-core/bp-core-avatars.php) function ...
3
votes
1answer
148 views

Using Global Variables Expensive for PHP

I am writing some functions to display Custom Fields across multiple templates. Rather than getting each CF like so: $var = get_post_meta($post->ID, 'my_cf_key', true); and then checking if the ...
3
votes
1answer
781 views

How to use multiple query with same meta key

I use these codes to print custom field query. My custom field key is out_wiki <?php if( get_post_meta($post->ID, "out_wiki", true) ): ?> <div class="outlink"> ...
3
votes
1answer
906 views

Rewriting search and pagination base

After trying for weeks now how to find a working solution I got rid of most of my functions and trials and just left the pagination function underneath in my functions.phh file: /** * Pagination ...
3
votes
2answers
2k views

How do I create a WP user outside of Wordpress and auto login?

I've built a directory of members on a non-WP site (using php and mysql). Each member can log in and update their details using a username and password. I want to be able to get this to automatically ...
3
votes
2answers
89 views

Wordpress will not operate correctly

My website is ImASpy.com. If you click on the link, Findings, this takes you to my first Wordpress page. It appears to work fine until you click on comments, or you try to go to the about page, which ...
3
votes
1answer
2k views

difference between esc_attr(), strip_slashes(), strip_tags()?

So what's the difference between these, and when should we use each one? Is esc_attr() safe enough to escape any type of data you get from the user ?
3
votes
1answer
67 views

Modify Maximum upload file size text

I have an issue with user uploading large images. I have prevented this with this snippet... add_filter('wp_handle_upload_prefilter', 'f711_image_size_prevent'); function ...
3
votes
1answer
37 views

Wrap each shortcode in array to div

i'm trying to wrap each shortcode in div with special data attributes, but when i'm using nested shortcode they don't wrapped, where i'm wrong? thanks public function wrapShortcode( $content ) { ...
3
votes
3answers
77 views

How can I change Wordpress domain from remote to localhost?

I recently had a system crash and had to reinstall WordPress with my backup files. In the JavaScript log I began throwing errors pertaining to the domain and realized I was still using the remote ...
3
votes
1answer
90 views

Detect a focus on wp_editor

I wan't to detect/callback when a wp_editor(..) output text-area/content-editable is focus. Quite a simple question that I could not find anywhere. <div class="compose-body"> <?php ...
3
votes
1answer
133 views

Network installation giving errors when viewing or adding a user

I have just installed a fresh version of WP which I have turned in to a network install (using the instructions found here). All seemed to be going well, and I was able to add a new site ...
3
votes
1answer
189 views

Site Title and Tagline in Pagelines DMS Options Panel

I'm using the Pagelines DMS Theme and I'm wanting to extend the functionality of the front end admin panel. The user(s) I'm building this for would like to be able to edit a few settings directly from ...
3
votes
1answer
228 views

Debugging upload problem: What part of WP does actual image-resizing?

I have a problem when uploading large images: images larger then (approx) 2000x2000 aren't generating thumbnails. The file is uploaded fine, but no resized version are generated. No errors are shown. ...
3
votes
1answer
305 views

How can I import a class privately into a plugin?

I've written a Wordpress plugin that makes use of a simple controller/templating library I have authored, to separate out business logic from presentation. I have a (slightly theoretical) query about ...
3
votes
1answer
1k views

Wordpress admin never finishes saving page on site with large page count

I have a Wordpress install with a very large amount of pages (a few hundred thousand), and over time it has gotten to the point where editing a page takes an extremely long amount of time. It would ...
3
votes
1answer
537 views

Real time Duplicate title check

On my website there are a lot of authors and they are all writing about italian 'scene' so sometimes it happens that two of them write the same post or use same title so what I'm looking for is a way ...
3
votes
1answer
377 views

Installing wp3.2.1 on IIS; getting empty sessions

i have to install wordpress 3.2.1 on IIS 5.0 (yeah, i know...) here. Brand new default wordpress installation, no plugins ore previous versions installed. So, i downloaded the 3.2.1.zip and the ...
3
votes
2answers
416 views

Append code into wp-config.php

We have multiple wordpress sites and need to update the wp-config for w3 total cache. We have to append define('WP_CACHE', true); into the wp-config.php file. Is it possible to do this via ssh. I ...
3
votes
1answer
1k views

Get the sidebar ID in which the current widget was dropped

How can I find out in which sidebar was a widget dropped? From inside that widget. More precisely from the form() function. Can I automatically remove the widget if it's not added in the appropriate ...
3
votes
0answers
38 views

Efficient coding: how to keep track of function stack?

I've written a plugin that calculates how much server time is required for each function in a theme or plugin. The idea is it will encourage developers to write efficient and green code. If you want ...
3
votes
1answer
54 views

Issue with foreach on duplicate meta_key's

Im storing using add_user_meta custom values that get sent to the front page of the website. Here is the php code. $user_query = new WP_User_Query( array( 'fields' => 'ID' ) ); ...
3
votes
1answer
61 views

Wordpress new user / forgot password emails are broken

I have no idea why it does this - I checked my mu-plugins, functions.php, there's currently nothing that alters emails. (Note that I translated these by heart, words might not be the same but links ...
3
votes
1answer
160 views

Multiple wp_schedule_event cron jobs in plugin cause multi-execution

over the last week I have been working on some cron jobs for a real-estate website that has hundreds of updates/deletes and new posts added each day. I am very near the end now and looking to ...
3
votes
0answers
14k views

solved - wp-admin/index.php gives a "500 Internal Server Error [closed]

experts, UPDATE: hello dear experts UPDATE. many many thanks for the great ideas and tipps. overwhelming - really your are overwhelming!!! i have done as adviced and this method made it clear. i ...
3
votes
1answer
305 views

How to Loop Plugin Option Field Set?

Problem/Background Currently, I'm creating a plugin for a client that will enable them to mark and modify predetermined Google Map polygons (displayed on the site) in the dashboard. I want to let ...
3
votes
0answers
9k views

How to get Woocommerce Variation ID? [closed]

I am trying to create some additional functionality on my Woocommerce backend where I add a custom field to the variations section of backend of Woocommerce. However I cannot for the life of me ...
3
votes
1answer
300 views

Need help setting default setting value for radio button in theme customizer

I need help figuring out how the radio button saves it's value in the theme settings. In my theme I added Radio buttons in the theme customizer. So far they are working great. Although I have one ...