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WordPress

Enable, Read, and Write Post Meta in WordPress Gutenberg

Last updated on January 13, 2021 by Sal Ferrarello

The WordPress block editor (a.k.a. Gutenberg) communicates with the database via the WordPress REST API. We can read and write post meta from within the Gutenberg editor after we enable the specific post meta field in the WordPress REST API.

Warning! This is a draft, not a finalized post. See full draft disclosure.

Filed Under: Dev Tips, Draft, Programming Tagged With: Gutenberg, WordPress, WordPress Post Meta

Add WordPress Posts Column

Last updated on July 2, 2020 by Sal Ferrarello

Code to add a custom column to the WP Admin Posts listing page.

Warning! This is a draft, not a finalized post. See full draft disclosure.

Filed Under: Draft, Programming, Solution Tagged With: WordPress, WordPress Filter

Why __() needs a hardcoded string in WordPress

Last updated on June 18, 2020 by Sal Ferrarello

When using a WordPress translation function, e.g. __(), you need to use a hardcoded string (not a variable).

Filed Under: Dev Tips, Programming, Recommendations Tagged With: Internationalization (I18n), WordPress

Add Gutenberg JavaScript Filter

Last updated on May 18, 2020 by Sal Ferrarello

WordPress PHP filters allow you make a value modifiable from outside of your code. With the WordPress Block Editor (a.k.a. Gutenberg), you can now do the same thing in JavaScript.

Filed Under: Dev Tips, Programming, Solution Tagged With: Gutenberg, JavaScript, WordPress, WordPress Filter

Check WP_DEBUG

Last updated on April 19, 2020 by Sal Ferrarello

Recently I was talking to another developer about how to detect ‘WP_DEBUG’ being set on a WordPress installation. Here is the code I use.

Warning! This is a draft, not a finalized post. See full draft disclosure.

Filed Under: Dev Tips, Draft, Programming, Solution Tagged With: WordPress, WordPress Plugin

WordPress Gutenberg import versus Destructuring Global wp

Last updated on April 24, 2020 by Sal Ferrarello

When creating a block for the WordPress block editor (a.k.a. Gutenberg), you are often using existing components. WordPress makes these components available under the global JavaScript variable ‘wp’ as well as available as npm packages. Which is the better way to make a component available in your code?

Warning! This is a draft, not a finalized post. See full draft disclosure.

Filed Under: Draft, Programming Tagged With: Gutenberg, JavaScript, WordPress

WordPress Gutenberg Functional Component useState

Last updated on March 30, 2020 by Sal Ferrarello

When creating a block for the WordPress block editor (a.k.a. Gutenberg), I find that most of the documentation is for class components. However, with React hooks we can use functional components. When you need to import ‘useState’ from React, you can do it as follows in a WordPress block.

Filed Under: Dev Tips, Programming, Solution Tagged With: Gutenberg, WordPress

Syringe in front of medical vials.

WordPress and SQL Injection

Last updated on February 28, 2020 by Sal Ferrarello

An SQL injection vulnerability occurs when you use a variable in your SQL statement and someone uses the variable to add unexpected code. In this article, we’ll look at how this occurs and how to prevent it.

Warning! This is a draft, not a finalized post. See full draft disclosure.

Filed Under: Dev Tips, Draft, Programming Tagged With: database, MySQL, WordPress

WordPress REST API call to Update Post Status Fails Silently

Last updated on February 24, 2020 by Sal Ferrarello

Recently, I was trying to update the post status of a post from ‘future’ to ‘publish’ publish` with the WordPress REST API and while the submission appeared to work, the value was not modified.

Warning! This is a draft, not a finalized post. See full draft disclosure.

Filed Under: Draft, Programming Tagged With: JavaScript, REST API, WordPress

Test WordPress REST API Endpoints from the Browser with jQuery

Last updated on February 24, 2020 by Sal Ferrarello

You can make WordPress REST API calls from the browser console. Here is one way I work with WordPress REST API endpoints in the browser using jQuery.

Warning! This is a draft, not a finalized post. See full draft disclosure.

Filed Under: Dev Tips, Draft, Programming Tagged With: JavaScript, REST API, WordPress

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