php_8/methods/segment_null_safe.php

<?php
require 'segment_point.php';
require 'segment.php';

$segment = new Segment(new Point(3, 5), null);

echo "Начало: ({$segment?->begin?->x}, {$segment?->begin?->y})<br />";
echo "Окончание: ({$segment?->end?->x}, {$segment?->end?->y})<br />";