PHP fn Keyword
Create an arrow function:
// This only works in PHP 7.4 and above
$str = "Hello World";
$my_function = fn($a) => $str . $a;
Definition and Usage
fn keyword is used to create arrow functions. Arrow functions are only available in
PHP versions 7.4 and up.
Arrow functions have access to all variables from the scope in which they were created.
The general syntax of an arrow function is:
❮ PHP Keywords