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  1. <?php
  2.  
  3. // your code goes here
  4. var_dump(!(bool) null);
  5. var_dump((bool) '');
Success #stdin #stdout 0.02s 25912KB
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stdin
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Standard input is empty
stdout
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bool(true)
bool(false)
https://ideone.com/gxa5NV
language:
PHP (php 7.3.5)
created:
2 years ago
visibility:
public

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