Simple oops example in php

<?php

class Student{
private $fullname;
private $mobile;

function setFullName($val){
$this->fullname = $val;
}
function setMobile($val){
$this->mobile = $val;
}

function getFullName(){
return $this->fullname;
}

function getMobile(){
return $this->mobile;
}

function myprint(){
echo $this->getFullName();
echo $this->getMobile();
}
}

if(isset($_POST['btnSubmit'])){
$obj = new Student();

$obj->setFullName($_POST['fullname']);

$obj->setMobile($_POST['mobile']);

$obj->myprint();
}
?>

<form method="post" action="">
<input name="fullname">
<input type="mobile" name="mobile"/>
<input type="submit" name="btnSubmit"/>

</form>