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  1. <?php
  2.  
  3. function &f(&$y) { // two ref-signs here...
  4.     return $y;
  5. }
  6.  
  7. $y = '';
  8. $x = array('a' => 1, 'b' => 2);
  9. $x['c'] = &f($y);
  10.  
  11. $y = 3;
  12. print_r($x);
Success #stdin #stdout 0.01s 20520KB
comments (?)
stdin 
Standard input is empty
stdout 
Array
(
    [a] => 1
    [b] => 2
    [c] => 3
)
https://ideone.com/0X2tVp
language:
PHP (php 7.3.5)
created:
12 years ago
visibility:
public

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