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  1. <?php
  2.  
  3. class A {
  4.     const X = 'A';
  5.     public function x() {
  6.         echo static::X;
  7.     }
  8. }
  9.  
  10. class B {
  11.     public static $X = 'B';
  12.     public function x() {
  13.         echo self::$X;
  14.     }
  15.     public function x2() {
  16.         echo B::$X;
  17.     }
  18. }
  19.  
  20. class C extends A {
  21.     const X = 'C';
  22. }
  23.  
  24. $c = new C();
  25. $c->x();
  26. echo C::X;
  27. echo c::X;
  28. $b = new B();
  29. $b->x();
  30. $b->x2();
  31. echo b::$X;
  32. echo B::$X;
  33.  
  34. //https://pt.stackoverflow.com/q/242625/101
Success #stdin #stdout 0.01s 82880KB
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stdin 
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stdout 
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https://ideone.com/Mp3AXe
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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