121-PHP class member function (b)

? < PHP
     class REN {         // define human 
        const name = 'REN' ;
         public  function className () {
             echo 'the class name:' Self name ::;.         // access class constants 
        } 
    } 
    class MAO {         // definition of cats 
        const name = 'MAO' ;
         public  function className () {
             echo 'the class name:'. :: Self name;         // access class constants 
        } 
    } 
    // instantiate an object of class 
    $ REN = new new REN () ;
    mao $ = new new mao ();
     // access member methods 
    echo 'class object ren located entitled:' ;
     $ ren -> className ();
     echo '<br /> class objects mao located entitled:' ;
     $ MAO -> className ();
 >?