Constructor

 <?php

class Person
{
    public $name, $age;
   
    function show()
    {
        echo $this -> name . " " . $this -> age . "<br>";
    }
    function __construct($name = "No value", $age = 30)
    {
        $this -> name = $name;
        $this -> age = $age;
    }
}
$p1 = new Person();
$p2 = new Person("Yahoo Baba", 20);
$p3 = new Person("Ram Kumar", 50);

$p1 -> show();
$p2 -> show();
$p3 -> show();

//  OUTPUT:
//No value 30
// Yahoo Baba 20
// Ram Kumar 50
?>

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