- var_dump: documentation ( source)
- is_callable: documentation ( source)
<?php
class p {
function call($cb) {
var_dump(is_callable($cb),call_user_func($cb));
}
}
class c extends p {
protected function cb() {
return "cb";
}
function __construct() {
parent::call(array($this, "cb"));
}
}
$c = new c;