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  1. <?php
  2.  
  3. abstract class A
  4. {
  5. }
  6. class B extends A
  7. {
  8.  
  9. }
  10. class C
  11. {
  12. 	public $x;
  13.  
  14. 	public function __construct(A $b)
  15. 	{
  16. 		$this->x = $b;
  17. 		var_dump($this->x);
  18. 	}
  19. }
  20.  
  21. $b = new B();
  22. $c = new C($b);
Success #stdin #stdout 0.02s 52480KB
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object(B)#1 (0) {
}
https://ideone.com/1cDZc5
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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