$result = empty($db->host);
class Politician
{
// called when calling a non-existing method
public function __call($method, $arguments)
{
echo __CLASS__ . " has no method called {$method}" . PHP_EOL;
}
// called when calling a non-existing static method
public function __callStatic($method, $arguments)
{
echo __CLASS__ . " has no static method called {$method}" . PHP_EOL;
}
}
$foo = new Politician();
$foo->honesty();
Politician::loyalty();
class CallableObject
{
// called when calling an object as a function
public function __invoke($number)
{
return $number ** 2;
}
}
$obj = new CallableObject();
echo $obj(10) . PHP_EOL;
class DebugObject
{
private $private = 10;
protected $protected = 20;
