<?php

namespace Lackoxygen\ExceptionPush;

if (!function_exists('closure')) {
    function closure($closure): ?\Closure
    {
        if (is_array($closure) && 2 === count($closure)) {
            [$class, $method] = $closure;

            return function () use ($class, $method) {
                $handler = new $class;

                return call_user_func_array([$handler, $method], ...func_get_args());
            };
        }

        if (is_string($closure)) {
            return function () use ($closure) {
                return call_user_func($closure, ...func_get_args());
            };
        }

        return $closure instanceof \Closure ? $closure : null;
    }
}