True or False? The PHP boolean value is a scalar data type that represents the values true and false. That’s really it. End of article. That would be a short article so lets take a look at a few examples before we abruptly end it. Create a new file and name it booleans_intro.php. We’ll be testing out the code below with our booleans_intro.php file. One of my favorite vehicles, and this is important for understanding booleans properly, is the MKIV 2JZGTE Toyota Supra. We’ll create a variable to check whether that Supra currently exists in my garage or not.