y::privateStaticM4 PHP Method

    private static function privateStaticM4()
    {
        print __METHOD__ . "\n";
    }

 function nonPPPM6()
 {
     $this->privateM();
     $this->privateStaticM3();
     $object->privateStaticM32();
     // actually, another object
     y::privateStaticM4();
     self::privateStaticM5();
     static::privateStaticM6();
     \y::privateStaticM7();
 }