fork(3) download
copy 
  1. <?php
  2.  
  3. class A {
  4. protected static $var = [];
  5.  
  6. public static function append($str) {
  7. 	static::$var[] = $str;
  8. }
  9. public static function print() {
  10. 	print_r(static::$var);
  11. }
  12. }
  13.  
  14. class B extends A {
  15.  
  16. }
  17.  
  18. class C extends A {
  19.  
  20. }
  21.  
  22. class D extends A {
  23. protected static $var = [];
  24. }
  25.  
  26. B::append('B');
  27. C::append('C');
  28. D::append('D');
  29.  
  30. B::print();
  31. C::print();
  32. D::print();
Success #stdin #stdout 0.02s 23584KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Array
(
    [0] => B
    [1] => C
)
Array
(
    [0] => B
    [1] => C
)
Array
(
    [0] => D
)
https://ideone.com/fDvqYt
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!