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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 25728KB
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stdin
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Standard input is empty
stdout
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string(40) "2a75ee885162fcf8bfadffab08aa3d91f0737447"
https://ideone.com/dgWl29
language:
PHP (php 7.3.5)
created:
1 day ago
visibility:
public

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