Working with new PHP 8 operators

A number of new operators have been introduced with PHP 8. In addition, PHP 8 generally introduces a uniform and consistent manner in which these operators can be used. In this section, we examine the following operators:

• Variadics operator
• Nullsafe operator
• Concatenate operator
• Ternary operator

Let's start with a discussion of the variadics operator.

Using the variadics operator

The variadics operator consists of three leading dots (...) preceding a normal PHP variable (or object property). This operator has actually been with the language since PHP 5.6. It's also referred to as the following:

• Splat operator
• Scatter operator
• Spread operator

Before we dive into the improvements PHP 8 has made using this operator, let's have a quick look at how the operator is normally used.

Unknown number of arguments

One of the most common uses for the variadics operator is in a situation...