A simple example of PHP OOP

<?php
/**
 * @author Shaharia Azam
 * @link http://www.shahariaazam.com
 * @description This simple class will return your next number. In this example the myNextNumber method will
 * return yourGivenNumber + 2. Because in class constructor you declared each time you will run myNextNumber method
 * it will return with +2. This is just for a simple OOP snippet to learn it.
 */
class ClassName
{
    public $var;

    /**
     * Constructor of your Class
     */
    function __construct()
    {
        return $this->var = 2;
    }

    /**
     * @method myMethod
     */
    public function myNextNumber($arg = null)
    {
        return $this->var + $arg;
    }
}

$obj = new ClassName();
$result = $obj->myNextNumber(3);
var_dump($result); //output: int(5)
?>