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  1. <?php
  2.  
  3. function increment(int $x): int
  4. {
  5.     return $x + 1;
  6. }
  7.  
  8. echo increment('1');
Success #stdin #stdout 0s 82560KB
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https://ideone.com/kL2sg1
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
public

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