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  1. <?php
  2.  
  3. class Cliente {
  4.     private $nome;
  5.  
  6.     public function __construct($nome) {
  7.         $this->nome = $nome;
  8.     }
  9.  
  10. 	public function getNome(){
  11.         return $this->nome;
  12.     }
  13.  
  14. 	public function __toString() {
  15. 	    return $this->nome;
  16. 	}
  17. }
  18.  
  19. abstract class Animal {
  20.     protected $nome;
  21.     protected $dono;
  22.  
  23.     public function __construct($nome, $dono) {
  24.        $this->nome = $nome;
  25.        $this->dono = $dono;
  26.    }
  27.  
  28.     public function getDono() {
  29.         return $this->dono;
  30.     }
  31. }
  32.  
  33. class Cachorro extends Animal {
  34.  
  35.     public function __construct($nome, $dono) {
  36.        parent::__construct($nome, $dono);
  37.    }
  38. }
  39.  
  40. $ana = new Cliente('ana');
  41. $dog = new Cachorro('Rex', $ana);
  42. echo "Dono: " . $dog->getDono();
  43. echo "\nNome do dono: " . $dog->getDono()->getNome();
Success #stdin #stdout 0.01s 20568KB
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Standard input is empty
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Dono: ana
Nome do dono: ana
https://ideone.com/kRYsdb
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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