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  1. <?php
  2.  
  3. function test(&$numRows) {
  4. 	$numRows = 5;
  5. 	echo ' -- done test';
  6. }
  7.  
  8. $value = 0;
  9. test($value);
  10. echo ' -- result is '.$value;
  11.  
  12. test(${''});
Success #stdin #stdout 0.01s 82880KB
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Standard input is empty
stdout
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 -- done test -- result is 5 -- done test
https://ideone.com/gTvayV
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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