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@ 2022-03-03T06:01:49Z

<?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();

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

30.55 ms | 404 KiB | 5 Q