What is Closure and Its Uses in PHP

Closure is an anonymous function (a function without name. Ex- function(){}) assigned to a variable.With using closure one can use the variable from immediate parent scope or even the variable declared inside the global scope.

Closure has a great little feature that you may or may not have heard of. It’s essentially a way to reduce the verbosity when writing functions that accept other functions as arguments.

Reducing the size of your code with Closure will allow your PHP scripts to load faster and take up less disk space. You may also find that coding in Closure results in programs that are easier to understand and debug by reducing complexity, which can be challenging when dealing with dynamic languages like PHP.

Using closure functions in PHP can help to make code more succinct, expressive, and safer.
There are several ways to implement closures in PHP.

The above statement can be executed with the use language construct inside the function.

Read More on Use Closure in PHP: https://www.andolasoft.com/blog/how-to-use-closure-in-php.html