Instantiation of class Closure is not allowed

Description

The Closure class is a PHP native class, which cannot be directly instantiated. It must be created with other syntaxes, such as the closure syntax, function () {};, first class callable foo(...), or arrow functions fn () => 1;.

Example

<?php

new Closure();

?>

Solutions

• Use the closure syntax.

• Use the arrow function syntax.

• Use the first class callable syntax.

Changed Behavior

This error may appear following an evolution in behavior, in previous versions. See ` <https://php-changed-behaviors.readthedocs.io/en/latest/behavior/.html>`_.