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.
Programming
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.
WordPress REST API call to Update Post Status Fails Silently
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.
MySQL Query for Multiple Strings with LIKE
I recently learned that doing a MySQL “LIKE” with multiple strings separated with ‘%’ behaves the same as multiple “LIKE” statements.
Test WordPress REST API Endpoints from the Browser with jQuery
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.
PHP require vs include
The behaviors of “require”, “include”, “require_once”, and “include_once” in PHP are all very similar with some slight differences. Here is the table highlighting the different behaviors of these statements.
Create WordPress Child Theme
You can quickly create a WordPress child theme by creating a new theme directory and adding two files: style.css and functions.php.
PHP declare(strict_types=1);
What does declare(strict_types=1); do in PHP? PHP is a weakly typed language, which means that when a value is of the wrong type, PHP tries to cast it to the proper type. For example if you try to add an integer and a string, echo 5 + “3”; PHP will try to cast the string […]
phpcs display sniff name
By default phpcs does NOT display the relevant name of the sniff when a sniff fails. By adding the ‘-s’ argument, the sniff names will be displayed. See the following from ‘phpcs –help’. Alternatively, this can be added to your PHP CodeSniffer XML Ruleset.
Speed Up Video in Iframe
My wife has to watch some videos as part of an online course. These videos do not have speed controls, however she would like to watch the video at an increased rate (e.g. 1.5x the normal speed). The problem is the video appears in an iframe (which is in itself in an iframe) so targeting the video to change the speed with JavaScript is a little tricky. Here is how I did it.