Online PHP editor | refs for UtpB2

@ 2019-05-17T06:41:50Z

<?php

namespace blah;

function test($callback){
    var_dump($callback);
    if($callback instanceof \Closure){
        echo "yeah, it's a closure\n";
    }
}
namespace blah2;

\blah\test(function ($param){
    echo $param;
});