Questions tagged [php]

For questions about the server-side programming language that the WordPress core, plugins and themes are written in. Questions about using PHP outside a WordPress context are off-topic but might be asked on Stack Overflow.

3,050 questions with no upvoted or accepted answers
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7
votes
1answer
679 views

Pass media upload value to input field

I have created a meta-box that provides a upload function via the default media uploader from WordPress. This works fine as long as I have one upload option. But guess what? I want another one. If I ...
6
votes
0answers
376 views

static variable loop not working in Wordpress

I have a function in my wordpress theme that deletes the first embedded video in a video post. See code below. This is in the functions.php file. /* - function that hides first video in post content -...
5
votes
2answers
1k views

Custom plugin: Trying to show saved data on frontend

I'm working on my first plugin and I have made a nice settings page which saves and works. But I have split it to few files and now I can't determine if field is checked.. I have also tried ...
5
votes
5answers
810 views

Remove option to allow trackbacks/pingbacks from post page options

I'm trying to disable all functionality related to pingbacks/trackbacks in WordPress and so far I have this: add_action( 'pre_ping', 'disable_pingback' ); function disable_pingback( &$links ) { ...
4
votes
1answer
344 views

WP CLI info showing correct PHP binary but wrong version of PHP

When a run a command such as wp plugin update I get the message: "Your server is running PHP version 5.4.13 but WordPress 5.2.2 requires at least 5.6.20" I don't even have PHP 5.4 installed in my ...
4
votes
1answer
2k views

Creating a post with the REST API, curl and oauth returning 401 error

I'm trying to create a WordPress post using the REST API, OAuth, and cURL. However, I'm running into some trouble. I'm able to create a blank post (no title, slug, etc) using the following code: $...
4
votes
2answers
528 views

load/require specific php files for specific pages/templates/post types

I have a plugin with multiple php files. I want to load some of them only when specific template files are loaded. I don't want to load everything. Currently, I'm doing it with add_action( 'wp', '...
4
votes
1answer
517 views

Cropping, Re-sizing and Saving images from one folder to another folder in wordpress

I'm adding an upgrade for the WordPress plugin which I have developed ages ago. This plugin is just a product catalog, so just show products and their images. Products can have more than one images. ...
4
votes
1answer
538 views

Display message once per session to users with a specific role

I need to display a message to only users with a specific role. The message should appear either as soon as the user logs in or if they re-open their browser after having closed it when logged in to ...
3
votes
0answers
45 views

add_meta_boxes action with refresh on save

I've created a meta box using add_meta_boxes action and it works when I open any post to edit it. add_action('add_meta_boxes', function() { add_meta_box( ... ); }); When WP auto ...
3
votes
1answer
1k views

WordPress “Link has expired” error on updating posts

I'm maintaining a WordPress site on GoDaddy for a client and they started to get the "this link has expired error" when they saved a post. It does not happen when I upload a file. However, I am ...
3
votes
2answers
3k views

why is translation not working on theme?

Background I am using the theme Rookie from Sportpress. I created a child theme. Translation files are existing, especially german in my case. Wordpress is set to german language. The Problem ...
3
votes
2answers
920 views

How to change date language without changing the entire site language?

I want my my entire site on English, but the dates to be on other language. I tried to set PHP local like this: setlocale(LC_ALL, 'he'); Setting my whole website to the another language from admin ...
3
votes
0answers
40 views

Get widget settings function?

I am using this to find if a new widget has been added or removed from my site: serialize(retrieve_widgets()); Works great for added or removed widgets. But it doesn't detect if a widget setting has ...
3
votes
1answer
468 views

Find out what is using PHP sessions in WordPress

Is there a way to find out what is using PHP sessions or spawning PHP processes? My Wordpress site gets heavy traffic (3.5 million hits per month). We discovered recently that we had permissions set ...
3
votes
1answer
481 views

Replacing the NavWalker dropdown element

I'm creating a website for my school with Material Design for Bootstrap and the NavWalker is giving me some issues, I want to change the element of dropdown i.e. from ul to div. I've tried to edit the ...
3
votes
1answer
600 views

Image upload via FTP to wordpress media library

Is there any permanant way to upload images via FTP to WordPress media library other than the available plugins which don't really work well most of the time? I would really appreciate if anyone ...
3
votes
0answers
447 views

Setting Up PHPUnit tests for WP development on Windows

I've been following the instructions in this article to try to set up some testing. I got as far as this instruction bash bin/install-wp-tests.sh wordpress_test root 'mypass' localhost latest before ...
3
votes
1answer
95 views

Adding a span when custom post type is updated

What I'm trying to do is have a span tag appear on the top of the post type whenever the post is updated. The way the page is setup, there is a query of different post types that list jobs currently ...
3
votes
1answer
133 views

Foreach insert query the best way

Hi i've got this code which works fine but I think it uses a lot of server resources because execute a query to the database for each user id stored in a group, is there any way to solve this problem? ...
3
votes
0answers
191 views

allow arabic letters when register new account

How can allow arabic letters when register new account ? i don't need to lose any security. If any of us, Arabs, want to register in any wordpress blogs we have to use English letters in “username” ...
3
votes
0answers
78 views

my function doesn't return my post from today

I'm using gravity form to create some custom post type - as events. Everything is working great, There is some date field to setup the event from x to y date. ALl of this working great. However, I ...
3
votes
0answers
153 views

wp_handle_upload_prefilter valid date from input file

I want to ask some help, i'm having problem with thewp_handle_upload_prefilter Here is the code: add_filter('wp_handle_upload_prefilter','mdu_validate_image_size'); function mdu_validate_image_size( $...
3
votes
0answers
212 views

Dynamically add styles to WP TinyMCE editor

I want to add custom styles to Wordpress using dynamic arrays. My question is how can I add the two arrays to the style_formats array within the 'my_mce_before_init_insert_formats' function ...
3
votes
1answer
996 views

WSOD but WP_DEBUG not giving any errors

I am running Wordpress on a WAMP stack and I'm trying to debug a WSOD error, which I think is a PHP error, as I have tried disabling all my plugins and themes and they don't seem to be the problem. I'...
3
votes
1answer
354 views

category_name not working (not showing up in sql query debug)

My plugin has a shortcode and it retrieves animals. There are filters/arguments and they all work well except the category argument or parameter. The category name(s) is/are well passed to my ...
3
votes
0answers
650 views

Making a follow button, Ajax not talking to php

I'm trying to make a user follow button using AJAX, but for some reason my AJAX isn't talking to my jk_user_follow function and setting the wp_set_object_terms. PHP function register_user_taxonomy(){...
3
votes
1answer
114 views

Adding Field to Profile “Name”

I am trying to add an extra field or two underneath the "Name" or "About" section in the Wordpress user profile. So far I have only been able to accomplish this by: //Begin add_action('...
3
votes
0answers
1k views

Getting Post Thumbnail from RSS feed with SimplePie

I am trying to pull the post thumbnail from an RSS feed to output on an external site. I am using the following function to add the post thumbnail to the site: function rss_post_thumbnail($content) { ...
3
votes
0answers
1k views

Unique key for each row in a repeater field

Is it possible to have a unique key for each sub fields in a repeater field? I don't want to use the array index, because the array index can be changed, when adding new rows between existing rows. I ...
3
votes
1answer
2k views

How to merge local and live databases?

We've been developing for Wordpress for several years and whilst our workflow has been upgraded at several points there's one thing that we've never solved... merging a local Wordpress database with a ...
3
votes
1answer
1k views

How to track a users progress through pages by inserting data into Wordpress Database?

My website users can learn British Sign Language through Video Tuts, Quizzes and games etc. I would like to track the users progress through the pages of the course and add that data to a Wordpress ...
2
votes
2answers
204 views

Displaying Logged-In User Name and avatar in Wordpress Menu

I want show the avatar user and username with this code. add_filter( 'wp_nav_menu_objects', 'my_dynamic_menu_items' ); function my_dynamic_menu_items( $menu_items ) { foreach ( $menu_items as $...
2
votes
0answers
117 views

Gutenberg Blocks doesn't render correctly when using do_blocks

I'm trying to render a post_content with blocks using the do_blocks function, that takes a gutenberg content, parses every block, and returns an HTML string. The problem is that some blocks aren't ...
2
votes
1answer
15 views

Can't get custom posts of taxonomy to show

I have a custom post type called 'brand', with a taxonomy of 'brand-categories'. try as I might, I cannot find a way to display a list of posts in the current taxonomy. can anyone help? <?php ...
2
votes
0answers
301 views

How to add pagination to wpbakery grid?

I have a theme with wpbakery page builder. I made a page to display blog posts using wpbakery grid. But I would like to display 5 posts per page and to use ajax pagination. I display 5 posts per page ...
2
votes
0answers
40 views

How to Replace Words with Hypertext Link But Ignore Previously Existed Links?

Auto-linking for "selected words" in the_content I am currently using the following code: function wp_affiliate_links($text){ $replace = array( '/ example /' => ' <a rel="nofollow" href="...
2
votes
0answers
55 views

send_headers don't work on wordpress multisite

I have written a simple plugin to send some security http headers. I've tested it on various wordpress installations but on a wordpress multisite network it seems that the headers are not sended. The ...
2
votes
1answer
529 views

Wordpress can't find temporary folder, but folder it's looking at has correct permissions

So, I've spent a couple of hours looking around the internet to try to figure out this problem, since it seems like a dumb one that would probably be a duplicate, but apparently it isn't. I'm hosting ...
2
votes
0answers
91 views

How to return output of the new wp gallery block for automatically Link images To Media file

Sorry for the repeated questions but I didn't get any solution yet! I'm stuck with that!! I mange a multi writers blog, and all our users uploading some gallery images, and they didn't know the ...
2
votes
0answers
64 views

Can an array be used as a meta_query value?

I'm trying to query a custom post type (courses) by grade using WP_Query and Advanced Custom Fields (ACF). Grades (checkboxes) are organized by term (groups). Four grades per term, four terms per ...
2
votes
1answer
1k views

Wordpress different language footer text

I am new to WordPress, and I have a problem building my website. I use the Sydney theme and Polylang plugin for my multilanguage website. I have build a website in 4 different languages and now I ...
2
votes
0answers
131 views

Display notification only once

I am trying to use the getItem and setItem method to display notifications in an array only once. It works for the first 5 notifications but once you go above 5 there are a few issues that arise. For ...
2
votes
1answer
4k views

Woocommerce auto cancel On-Hold after X days

I have searched high and low but with no resolve. So we developed a custom "bacs" type gateway for our site. Here in Brazil you can pay via a bank billet. The billet usually has an expiration date for ...
2
votes
1answer
3k views

Display related products with custom output

I'm trying to display the related products with my custom html output, unfortunately i'm kind of lost on how to do this. The WP_Query below displays the products that are in stock, what i want is to ...
2
votes
1answer
430 views

Adding code to child theme functions.php to override parent theme behaviour doesn't work

I am trying to override some behaviour in a parent theme (Blackoot Lite) and used this StackOverflow question as a guide. My goals are twofold—I want to unregister a default sidebar in the ...
2
votes
0answers
2k views

admin-ajax.php returning error 400 namespaced callback

I'm writing a plugin and I'm getting an error 400 Bad Request from admin-ajax.php. I did some poking around in the Wordpress core about this and it seems where it's getting hung up is around line 85 ...
2
votes
1answer
388 views

AJAX in Wordpress, sending coords data to MySQL and show after into map

I've spent some months trying to figure out how to get users geolocation and pass it into MySQL and so after being shown with markers on the map. I've got stuck already in passing the data through ...
2
votes
1answer
454 views

How To add custom radio boxes to WooCommerce Billing page and change total price by this field?

Lets say i need to add custom radio fields ( company or person ) at the top of the form to the billing for. And if the visitor checks person they should pay 21% Tax and they select company that is ...
2
votes
1answer
60 views

Dynamic Custom Post Type Plugin

I am trying to build my own lightweight plugin that will register Custom Post Types. The problem I am having is that I can create a post type but I can't figure out how to save the previous post type ...

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