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  1. <?php
  2.  
  3.  
  4. class A {
  5.     private $x;
  6.  
  7. 	public function createCallback() 
  8. 	{
  9. 		// создаем анонимную функцию
  10. 		return function() {
  11. 			$this->x = 1;
  12. 		};
  13. 	}
  14. }
  15.  
  16. $a = new A;
  17. $callback = $a->createCallback( );
  18. $callback( ); // все должно быть ок
  19.  
  20. var_dump($a);
  21.  
Success #stdin #stdout 0.02s 24448KB
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stdin
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Standard input is empty
stdout
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object(A)#1 (1) {
  ["x":"A":private]=>
  int(1)
}
https://ideone.com/rxFtSq
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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