CODE EXAMPLE FOR PHP

static function php

<?php
class Car
{
    public function test($var = 'Hello kinjal')
    {
        $this->var = $var;
        return $this->var;
    }
}
class Bike
{
    public static function test($var)
    {
        $var = '<br>this is static function';
        return $var;
    }
}
$obj = new Car();
echo $obj->test();
echo Bike::test('this is non static');      //static function called using :: double colon

?>