We can create multiple instances of a class, each with its own set of data. Each instance has its own properties and methods, and they don't interfere with each other. Here's a simple example to illustrate this concept:

class Car {
    public $brand;
    public $model;
    public $color;

    public function __construct($brand, $model, $color) {
        $this->brand = $brand;
        $this->model = $model;
        $this->color = $color;
    }

    public function displayInfo() {
        echo "Brand: {$this->brand}, Model: {$this->model}, Color: {$this->color}\n";
    }
}

// Creating multiple instances of the Car class
$car1 = new Car("Toyota", "Camry", "Blue");
$car2 = new Car("Honda", "Accord", "Red");

// Displaying information about each car
$car1->displayInfo();  // Outputs: Brand: Toyota, Model: Camry, Color: Blue
$car2->displayInfo();  // Outputs: Brand: Honda, Model: Accord, Color: Red