{
echo 'This is ' . __CLASS__ . ' ' . __FUNCTION__;
}
public function select()
{
echo 'This is ' . __CLASS__ . ' ' . __FUNCTION__;
}
}
class MongoDB implements DB
{
public function create()
{
echo 'This is ' . __CLASS__ . ' ' . __FUNCTION__;
}
public function delete()
{
echo 'This is ' . __CLASS__ . ' ' . __FUNCTION__;
}
public function update()
{
echo 'This is ' . __CLASS__ . ' ' . __FUNCTION__;
}
public function select()
{
echo 'This is ' . __CLASS__ . ' ' . __FUNCTION__;
}
}
$db1 = DBFactory::createDB('mongo');
$db2 = DBFactory::createDB('mysql');
$db1->update();
$db2->create();
