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  1. <?php
  2.  
  3. abstract class A {
  4.  
  5. 	public function response($a, $b) {
  6. 		var_dump('A');
  7. 		return $a+$b;
  8. 	}
  9. }
  10.  
  11. trait B {
  12.     public function response($a) {
  13.         var_dump('B');
  14.         return $a;
  15.     }
  16. }
  17.  
  18. class C extends A {
  19. 	use B {
  20. 		response as response2;
  21. 	}
  22. }
  23.  
  24. $c = new C();
  25. var_dump($c->response(1, 2));
  26. var_dump($c->response2(1));
  27.  
Success #stdin #stdout #stderr 0.02s 23412KB
comments (?)
stdin
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Standard input is empty
stdout
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string(1) "B"
int(1)
string(1) "B"
int(1)
stderr
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PHP Warning:  Declaration of B::response($a) should be compatible with A::response($a, $b) in /home/5CrFOY/prog.php on line 18
https://ideone.com/ddRQZO
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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