public $for_sale = true;
public function __construct($color = null)
{
if ($color) {
$this->color = $color;
}
}
public function add_room()
{
$this->rooms++;
}
public function sell()
{
$this->for_sale = false;
}
}
$house = new House('red');
$house->add_room();
$house->add_room();
echo "This {$house->color} house has {$house->rooms} rooms. ";
echo $house->for_sale ? "It is for sale." : "It is not for sale.";
echo "<br>";
$house2 = new House();
$house2->add_room();
$house2->add_room();
$house2->add_room();
$house2->add_room();
$house2->add_room();
$house2->sell();
echo "This {$house2->color} house2 has {$house2->rooms} rooms. ";
echo $house2->for_sale ? "It is for sale." : "It is not for sale.";
<?php
class House
{
public $home_color = 'white';
public $rooms = 3;
public $for_sale = true;
function __construct($home_color = null)
{
$this->home_color = $home_color;
}
function add_room()
{
$this->rooms++;
}
function sold()
{
$this->for_sale = false;
}
}
$house = new House('red');
$house->add_room();
$house->add_room();
echo "This {$house->home_color} house has {$house->rooms} rooms.";
echo "<br>";
echo $house->for_sale ? "This house is for sale." : "Not for sale.";
