- Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
- string(13) "this callback"
<?php
class c1 {
private $callback;
public function setFun($callback)
{
$this->callback = $callback;
}
public function fun()
{
($this->callback)();
}
}
$n = new c1();
$n->setFun(function () {
var_dump('this callback');
});
$n->fun();