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  1. <?php
  2.  
  3. $d = new DateTime('first monday january '.date('Y'));
  4. echo $d->format("W");
  5.  
  6.  
Success #stdin #stdout 0.02s 13064KB
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01
https://ideone.com/m02nC
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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