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  1. <?php
  2.  
  3. function f(&$x) {
  4. 	$x = 1;
  5. }
  6.  
  7. $x = 0;
  8. echo $x;
  9. f($x);
  10. echo $x;
Success #stdin #stdout 0.02s 24448KB
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01
https://ideone.com/BRa2zn
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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