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  1. <?php
  2.  
  3. class AClass
  4. {
  5.     public function __construct ()
  6.     {
  7.         $this->prop = "Hello";
  8.     }
  9.     public function &get ()
  10.     {
  11.         return $this->prop;
  12.     }
  13.     protected $prop;
  14. }
  15.  
  16. function func ($ref)
  17. {
  18.     $ref = &$ref->get();
  19. }
  20.  
  21. $value = new AClass();
  22. func($value);
  23. var_dump( $value );
Success #stdin #stdout 0.01s 20520KB
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object(AClass)#1 (1) {
  ["prop":protected]=>
  string(5) "Hello"
}
https://ideone.com/g1hTNV
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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