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  1. <?php
  2. class Main{
  3.  
  4.     protected $a = "SUCCESS";
  5.  
  6.     public function foo(){
  7.         echo $this->a;
  8.     }
  9. }
  10.  
  11. $Main = new Main();
  12. // $Main->foo();
  13.  
  14.  
  15. // require_once("Main.php");
  16. class Child extends Main{
  17.     public static function Run($Instance){
  18. 		ob_start();
  19.         $Instance->foo();
  20.         $aa = ob_get_clean();
  21.         printf( "My \$a: %s\n", $aa);
  22.     }
  23. }
  24.  
  25. Child::Run( $Main);
Success #stdin #stdout 0.02s 52432KB
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stdin
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Standard input is empty
stdout
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My $a: SUCCESS
https://ideone.com/X1iMji
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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