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  1. <?php
  2.  
  3. function test(&$a) { echo $a; }
  4.  
  5. test(123);
Runtime error #stdin #stdout #stderr 0.02s 24316KB
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stdin
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Standard input is empty
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Standard output is empty
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PHP Fatal error:  Only variables can be passed by reference in /home/vVD1qY/prog.php on line 5
https://ideone.com/rooBrL
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
public

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