3) Write a PHP script to demonstrate the introspection for examining class(use function get_declared_classes(),get_class_methods() and get_class_vars()).
Php file :
<?php
class intro
{
var $i;
function f1() {}
function f2() {}
}
class intro_1 extends intro
{
var $j,$k;
function f3() {}
function f4() {}
}
echo class_exists('intro'); //returns true if class is exist
var_dump(get_declared_classes()); //returns an array of all the class are define & declared in php including classes name
var_dump(get_class_methods('intro_1')); //returns an array of methods in class intro_1
var_dump(get_class_methods('Exception')); //returns an array of methods in class Exception
var_dump(get_class_vars('intro_1')); //returns parent class of given class intro_1 if it is exists
var_dump(get_parent_class('intro_1')); //reurns parent class of given class if it exist
var_dump(get_object_vars($ob)); //retuns an array of parameter / variables for given object
?>
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