<?php
class Cargo {
private $trackingId;
private $origin;
private $destination;
function __construct ($trackingId, $origin, $destination) {
if (is_null ($trackingId)) throw new Exception ('Tracking ID cannot be null');
if (is_null ($origin)) throw new Exception ('Origin cannot be null');
if (is_null ($destination)) throw new Exception ('Destination cannot be null');
$this->trackingId = $trackingId;
$this->origin = $origin;
$this->destination = $destination;
}
function trackingId() {
return $this->trackingId;
}
function origin() {
return $this->origin;
}
function destination() {
return $this->destination;
}
}
|
Download
