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  1. <?php
  2.  
  3. /// parent class
  4. interface iA {
  5.     public function execute($str = '');
  6. }
  7.  
  8. class A implements iA {
  9.  
  10.     public function __construct() { }
  11.  
  12.     public function execute($str = '')
  13.     {
  14.         return 'Execution ' . $str;
  15.     }
  16. }
  17.  
  18. /// child class
  19. interface iB {
  20.     public function execute($str = '');
  21. }
  22.  
  23. class B extends A implements iB {
  24.  
  25.     public function __construct()
  26.     {
  27.         parent::__construct();
  28.     }
  29.  
  30.     public function execute($str = '')
  31.     {
  32.         return parent::execute();
  33.     }
  34.  
  35. }
  36.  
  37. var_dump((new B)->execute());
Success #stdin #stdout 0.01s 52480KB
comments (?)
stdin
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Standard input is empty
stdout
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string(10) "Execution "
https://ideone.com/PAiFKp
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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