first

.gitignore

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+.idea

index.php

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+<?php
+
+require_once "src/Animal.php";
+require_once "src/traits/Jumping.php";
+require_once "src/Cat.php";
+require_once "src/Dog.php";
+require_once "src/Cow.php";
+
+$cat = new \src\Cat();
+$dog = new \src\Dog();
+$cow = new \src\Cow();
+
+$dog->makeSound();
+$cat->makeSound();
+$cow->makeSound();
+
+$dog->makeJump();
+$cat->makeJump();
+
+echo "<pre>";
+print_r($cat);
+
+$cat->meow();
+$dog->woof();

src/Animal.php

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+<?php
+
+namespace src;
+
+abstract class Animal
+{
+    public string $type = "animal";
+
+    public $eyes;
+
+    public int $paws = 0;
+
+    public int $heart = 0;
+
+    public function walk(): void
+    {
+        $this->paws++;
+    }
+
+    abstract public function makeSound(): void;
+
+    /**
+     * @return void
+     */
+    public function beating(): void
+    {
+        $this->heart++;
+    }
+
+}

src/Cat.php

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+<?php
+
+namespace src;
+
+use src\traits\Jumping;
+
+/**
+ * @property $eyes
+ * @property $paws
+ * @property $heart
+ */
+class Cat extends Animal
+{
+    use Jumping;
+
+    public string $type = "CAT";
+    public function makeSound(): void
+    {
+        echo $this->type . " - shipe shipe shipe shipe shipe shipe shipe shipe shipe shipe shipe  <br>";
+    }
+
+    public function meow()
+    {
+        echo $this->type . " - meow meow meow meow meow meow meow meow meow meow meow meow meow meow <br>";
+    }
+
+}

src/Cow.php

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+<?php
+
+namespace src;
+
+class Cow extends Animal
+{
+    public string $type = "COW";
+
+    public function makeSound(): void
+    {
+        echo $this->type . " - mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu <br>";
+    }
+}

src/Dog.php

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+<?php
+
+namespace src;
+
+use src\traits\Jumping;
+
+class Dog extends Animal
+{
+    use Jumping;
+
+    public string $type = "DOG";
+
+    public function makeSound(): void
+    {
+        echo $this->type . " - growling growling growling growling growling growling growling growling <br>";
+    }
+
+    public function woof()
+    {
+        echo $this->type . " - woof woof woof woof woof woof woof woof woof woof woof woof woof woof <br>";
+    }
+
+}

src/interfaces/TypeInterface.php

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+<?php
+
+namespace src\interfaces;
+
+interface TypeInterface
+{
+
+
+}

src/traits/Jumping.php

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+<?php
+
+namespace src\traits;
+
+trait Jumping
+{
+
+    public function makeJump(): void
+    {
+        echo $this->type . " - jump jump jump jump jump jump jump jump jump jump  <br>";
+    }
+
+}