Object Oriented PHP (Inheritence-2)

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<h1 style="text-align: center;color: maroon;font-weight: bold; font-family: 'Mongolian Baiti'"> Object Oriented PHP (Inheritence-2)</h1>
<br>
<?php


class One
{
    public $a;
    public $b;

    public function getValue($x,$y)
    {
        $this->a=$x;
        $this->b=$y;

    }
}


class Two extends One
{
    public function display()
    {
        echo "Value of A is : $this->a <br>";
        echo "Value of B is : $this->b <br>";

    }

}


$obj=new Two;
$obj->getValue(7706,8084);
$obj->display();

?>

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