get_class ( $object );

<?php
   class f1 {
      function f1() {
         // implements some logic
      }

      function name() {
         echo "My name is " , get_class(this) , "\n";
      }
   }

   // create an objectbar = new f1();

   // external call
   echo "Its name is " , get_class(bar) , "\n";

   // internal callbar->name();
?>

Its name is f1
My name is f1