How to use OOPS In PHP

Basic Concept Of OOPS in PHP

How to use public or private variables and function from class in php

<?php

class STUDENT{

 public $name='xyz';

function cname() {

   echo $this->course='bca' ;

}

}

$stud= new STUDENT;

//$stud=new student //create object

echo $stud->name ;

echo $stud->cname();

?>

output is:

xyz bca