コード例 #1
0
class Asd
{
    static $x = 2;
    static $y = null;
    static $z = null;
    function heh()
    {
        self::$y = "asd";
    }
    function foo()
    {
        return isset(self::$x);
    }
    function bar()
    {
        return isset(self::$y);
    }
    function baz()
    {
        return isset(self::$z);
    }
}
$y = new Asd();
var_dump($y->foo());
var_dump($y->bar());
var_dump($y->baz());
$y->heh();
var_dump($y->foo());
var_dump($y->bar());
var_dump($y->baz());