phpノート(1)

phpノート:

class Person{
    public $name = "tom"; //public    ,      
    protected $age = 28; //protected    ,          
    private $sex = 'male'; //private    ,       
	//public   
    public function show(){
       return $this->name;
    }
}

//   Person      $perosn
$person = new Person();
//           
echo $person->name;// tom         
echo $person->age; //  ,      
echo $person->sex; //  ,          
echo $person->show(); //tom    ,    ,