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a guest Jan 28th, 2020 74 Never
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  1. <?php
  2.  
  3. class ParentClass
  4. {
  5.     const SOME_VAL = 80;
  6.  
  7.     public function getMyVal()
  8.     {
  9.         printf('I am %s, my $someval is %d%s',static::class, static::SOME_VAL, PHP_EOL);
  10.     }
  11. }
  12.  
  13. class ChildClass1 extends ParentClass
  14. {
  15.     public function doIt()
  16.     {
  17.         $this->getMyVal();
  18.     }
  19. }
  20.  
  21. class ChildClass2 extends ParentClass
  22. {
  23.     const SOME_VAL = 35;
  24.    
  25.     public function doIt()
  26.     {
  27.         $this->getMyVal();
  28.     }
  29. }
  30.  
  31. $c1 = new ChildClass1();
  32. $c1->doIt();
  33.  
  34. $c2 = new ChildClass2();
  35. $c2->doIt();
  36.  
  37. $c1 = new ChildClass1();
  38. $c1->doIt();
  39.  
  40. /**
  41. I am ChildClass1, my $someval is 80
  42. I am ChildClass2, my $someval is 35
  43. I am ChildClass1, my $someval is 80
  44. **/
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