PHP 函数 get_class()

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

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

   // create an object
   $bar = new f1();

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

   // internal call
   $bar->name();
?>