<?php
class Cars
{
var $wheel_count = 4;
var $door_count = 4;
public function car_Detail()
{
return "This car has " . $this->wheel_count . " wheels.";
}
}
$bmw = new Cars();
$mercedes = new Cars();
echo $bmw->wheel_count . "<br>";
echo $mercedes->wheel_count = 10;
echo $mercedes->car_Detail();
echo $bmw->car_Detail();
<?php
class Cars
{
public $wheel_count = 4;
private $door_count = 4;
//available only inside the class;
protected $seat_count = 2;
//available only inside the class and in the inheritance classes
public function car_Detail()
{
echo $this->wheel_count;
echo $this->door_count;
echo $this->seat_count;
}
}
class Trucks extends Cars
{
}
$bmw = new Cars();
//echo $bmw->wheel_count; //se afiseaza
//echo $bmw->door_count; //nu se afiseaza pt ca nu este in ineriorul clasei
// echo $bmw->seat_count;
$bmw->car_Detail();
//asta le afiseaza pe toate pt ca sunt folosite in interiorul clasei
static function display()
{
echo parent::car_Detail();
}
<?php
class Cars
{
public $wheel_count = 4;
static $door_count = 4;
static function car_Detail()
{
echo Cars::$door_count;
}
}
class Trucks extends Cars
{
}
$bmw = new Cars();
//instantiem doar pt varibilele publice, cele statice nu au nevoie de instantiere
echo $bmw->wheel_count;
echo Cars::$door_count;
//la static folosim $ si numele clasei urmata de dublu doua puncte
Cars::car_Detail();