- var_dump: documentation ( source)
- is_callable: documentation ( source)
<?php
class Foo
{
private $number = 42;
public function bar()
{
var_dump($this->number);
return __METHOD__;
}
}
class Bar extends Foo {
public function callme($callback) {
echo call_user_func($callback);
}
}
$callback = array('Foo', 'Bar');
var_dump(is_callable($callback));
$bar = new Bar();
$bar->callme($callback);