class BB extends AA
{
public function say()
{
echo "BB...";
}
}
$a = new BB();
$a->say();
interface AAA
{
public function say();
const cProp = "hello";
}
class BBB implements AAA
{
public function say()
{
echo " say in BBB...";
echo self::bCProp;
}
const bCProp = "world";
}
$a = new BBB();
$a->say();
echo <<<'NOW'
123456789\n0
!@#$%^&*()
qwertyuiopasdfghjklzxcvbnm,./
NOW
;
