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  1. <?php
  2.  
  3. function three(&$a) {
  4.     $a = 3;
  5.     return $a;
  6. }
  7.  
  8. $n = 5;
  9. print(three($n));
  10. print($n);
  11.  
  12. ?>
Success #stdin #stdout 0.02s 13112KB
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https://ideone.com/lSZdD
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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