← Каталог
Учебные примеры ООП — Наследование
Родитель Animal и дочерние Cat и Dog с общим eat() и своим speak().
<?php
class Animal
{
public function __construct(protected string $name) {}
public function eat(): void
{
echo "{$this->name} ест\n";
}
}
class Cat extends Animal
{
public function speak(): void
{
echo "Мяу!\n";
}
}
class Dog extends Animal
{
public function speak(): void
{
echo "Гав!\n";
}
}
$cat = new Cat('Мурка');
$dog = new Dog('Шарик');
$cat->eat();
$cat->speak();
$dog->eat();
$dog->speak();<?php
class Animal
{
public function __construct(protected string $name) {}
public function eat(): void
{
echo "{$this->name} ест\n";
}
}
class Cat extends Animal
{
public function speak(): void
{
echo "Мяу!\n";
}
}
class Dog extends Animal
{
public function speak(): void
{
echo "Гав!\n";
}
}
$cat = new Cat('Мурка');
$dog = new Dog('Шарик');
$cat->eat();
$cat->speak();
$dog->eat();
$dog->speak();