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  1. <?php
  2.  
  3. class TestClass {
  4. 	public $hello = '';
  5. }
  6.  
  7. function modify(&$obj) {
  8. 	$obj = 42;
  9. }
  10.  
  11. $obj = new TestClass();
  12. $obj->hello = 'world';
  13.  
  14. modify($obj);
  15.  
  16. var_dump($obj);  // outputs "42"
  17.  
Success #stdin #stdout 0.01s 20568KB
comments (?)
stdin
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Standard input is empty
stdout
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int(42)
https://ideone.com/XbFu7W
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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