TY_BCA_AWT_SLIP 25_1

25.   Write PHP script to demonstrate the concept of introspection for examining object.

<?php

class intro

{

  var $i;

  function f1()  {}

  function f2()  {}

}

class intro_1 extends intro

{

  var $j,$k;

  function f3()  {}

  function f4() {}

}

$ob=new intro_1();

if(is_object($ob))      //returns boolean value true if an object ob is created

{

  echo get_class($ob);       //returns class name of given object

}

if(method_exists($ob,'f4'))     //returns tru if the method f4 exists for the object ob

{

  echo "method f4 exists";

}

var_dump(get_object_vars($ob));    //retuns an array of parameter / variables for given object

?>