(PHP 5 >= 5.4.0, PHP 7, PHP 8)
ReflectionFunction::getClosure — Devuelve un cierre creado dinámicamente para la función
Obtiene un cierre creado dinámicamente para la función.
Esta función no contiene ningún parámetro.
Devuelve un objeto Closure recién creado.
If you have a callback that is going to be invoked often, you can use this method (and the related method for ReflectProperty) to get a closure that will execute at near native speed.
Some benchmark comparisons with php 5.4.22 on ubuntu:
[function call] [time] [%slower]
function(): 0.09527 0%
Reflection::Closure: 0.09729 2%
$string(): 0.102641 8%
Reflection: 0.197122 107%
call_user_func: 0.214045 125%
[method call] [time] [% slower] [%vs func]
->method(): 0.103611 0% 9%
Reflection::Closure: 0.1043 1% 9%
$string(): 0.109885 6% 15%
Reflection: 0.20451 97% 115%
call_user_func: 0.219205 112% 130%