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  1. <?php
  2.  
  3. $timeString = '00:38:42,689';
  4. $dateTime   = DateTime::createFromFormat('H:i:s,u', $timeString);
  5.  
  6. $milliseconds =
  7.     $dateTime->format('H') * 3600000 +
  8.     $dateTime->format('i') * 60000 +
  9.     $dateTime->format('s') * 1000 +
  10.     $dateTime->format('u') / 1000;
  11.  
  12. var_dump($milliseconds);
Success #stdin #stdout 0.02s 24400KB
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int(2322689)
https://ideone.com/dTpKE8
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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