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  1. <?php
  2.  
  3. $pets = array( new Dog("ぽち"), new Cat("たま", 1) );
  4.  
  5. foreach( $pets as $pet ) {
  6.     $pet->play();
  7. }
  8.  
  9. class Animal {
  10.     var $name;
  11.  
  12.     function __construct($name) {
  13.         $this->name = $name;
  14.     }
  15.  
  16.     function play() {
  17.     }
  18. }
  19.  
  20. class Dog extends Animal {
  21.     function __construct($name) {
  22.         parent::__construct($name);
  23.     }
  24.  
  25.     function play() {
  26.         echo "わんわん！" . $this->name . "だよ\n";
  27.     }
  28. }
  29.  
  30. class Cat extends Animal {
  31.     var $sleep;
  32.  
  33.     function __construct($name, $sleep) {
  34.         parent::__construct($name);
  35.         $this->sleep = $sleep;
  36.     }
  37.  
  38.     function play() {
  39.         echo "にゃん！" . $this->name . "だよ\n";
  40.         if($this->sleep == 1) {
  41.             echo "...でも寝る\n";
  42.         }
  43.     }
  44. }
  45. ?>
  46.  
Success #stdin #stdout 0.03s 25752KB
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わんわん！ぽちだよ
にゃん！たまだよ
...でも寝る
https://ideone.com/N2LPhF
language:
PHP (php 7.3.5)
created:
11 days ago
visibility:
public

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