- var_dump: documentation ( source)
- is_callable: documentation ( source)
<?php
class A { private function __invoke() { echo "a"; }};//function() {};
$a = new A;
//$a = function() { echo "b";};
$ref = new ReflectionMethod($a, '__invoke');
var_dump(is_object($a), is_callable($a),$ref);
$a();
exit;
function a($a) {
}
$b = 3;
a($b);