When using a WordPress translation function, e.g. __(), you need to use a hardcoded string (not a variable).
Dev Tips
JavaScript get Date in YYYYMMDD Format
Recently, I was working in JavaScript and I need to transform a date into the format YYYYMMDD, this is how I did it.
Code Standards Naming Styles
There are lots of ways to write variable names when programming. This is the list of ones I find myself using.
How to Add a Non-Breaking Space
A non-breaking space has a unicode value of `U+00A0` (a normal space has a unicode value of `U+0020`). This is how I add this character.
Add Gutenberg JavaScript Filter
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.
Revert to Old Version of WordPress Core
These are the two ways I have used to rollback WordPress to an earlier version. Using either technique, you should make a backup copy of your files and your database first!
Check WP_DEBUG
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.
Add a Blank line at the Beginning of Command Line Prompt
While there are many ways to customization your command line prompt, one that can help readability is adding a blank line at the beginning of each prompt.
WordPress Gutenberg Functional Component useState
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.
WordPress and SQL Injection
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.