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  1. <?php
  2.  
  3. $bytes = random_bytes(20);
  4. var_dump(bin2hex($bytes));
  5.  
  6. // your code goes here
  7.  
Success #stdin #stdout 0.02s 25408KB
comments (?)
stdin
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Standard input is empty
stdout
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string(40) "2a4f181e938cb6c9cf388a2bacdf9b5094da4459"
https://ideone.com/0qMq7D
language:
PHP (php 7.3.5)
created:
10 days ago
visibility:
public

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