File code/class/Utility/FancyClosure.php

class Lia\Utility\FancyClosure

Normalize callable usage & bind paramaters to a callable, like you can in javascript
See source code at /code/class/Utility/FancyClosure.php

public $bound; array of paramaters to pass to the callable when invoked
public $origCallable; The source callable as it was passed to this class
public $function null; An anonymous function, if the callable is an anonymous function
public $class null; The fully qualified classname, if the callable is an array like [$object || 'classname', 'methodname'].
public $object = null; The object, if the callable is an array like [$object, 'methodName']
public $funcName = null; The function name, if the callable is an array like [$object || 'classname', 'methodname']
public $isStatic = false; true if the callable is a static class function
public $isAnonymous = false; true if the callable is an anonymous function

public function __construct($callable, $boundParamaters)
public function __invoke(...$args) Invoke the given callable with any bound paramaters