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  1. <?php
  2.  
  3.  
  4. var_dump(is_numeric(NAN)); // what a hell?
Success #stdin #stdout 0.01s 52488KB
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Standard input is empty
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bool(true)
https://ideone.com/uBGzBa
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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