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  1. <?php
  2.  
  3. abstract class Animal {
  4. 	private $x;
  5. 	private $y;
  6. 	private $icon;
  7.  
  8. 	public function __construct($x, $y, $icon) {
  9. 		$this->x = $x;
  10. 		$this->y = $y;
  11. 		$this->icon = $icon;
  12. 	}
  13.  
  14. 	abstract public function move();
  15.  
  16. }
  17.  
  18. class Mouse extends Animal {
  19.  
  20. 	public function move() {
  21. 		echo "1";
  22. 	}	
  23.  
  24. 	public function findThreats() {
  25. 		return uniqid();
  26. 	}
  27.  
  28. }
  29.  
  30. $mouse = new Mouse(1,1, "@");
  31.  
  32. $mouse->move();
  33.  
  34. echo $mouse->findThreats;
Success #stdin #stdout #stderr 0.02s 52432KB
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stdin
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Standard input is empty
stdout
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1
stderr
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PHP Notice:  Undefined property: Mouse::$findThreats in /home/smtvhE/prog.php on line 34
https://ideone.com/WP0lUQ
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
secret

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