Program 1
<html>
<head><title>Demo</title></head>
<body>
<center>
<form method=post action=TestIsSet.php>
Name:<input type=text name=txtname>
<br>
Department:<input type=text name=txtdept>
<br>
Salary:<input type=text name=txtsalary>
<input type=submit value=Submit name=btnsubmit>
</form>
<?php
class Employee
{
public $empname;
private $empdept;
private $empsalary;
public function setdata($dept,$sal)
{
$this->empdept=$dept;
$this->empsalary=$sal;
}
public function __isset($pname)
{
echo isset($this->$pname);
}
}
if(isset($_POST['btnsubmit']))
{
$e=new Employee();
$e->empname="Vikas Sharma";
$e->setdata('Computer',70000);
echo isset($e->empname);
echo isset($e->empdept);
echo isset($e->empsalary);
}
?>
</center>
</body>
</html>
