Validate an integer that is 0

SUBMITTED BY: henry1874w

DATE: June 21, 2017, 11:45 p.m.

FORMAT: Text only

SIZE: 260 Bytes

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  1. <!DOCTYPE html>
  2. <html>
  3. <body>
  5. <?php
  6. $int = 0;
  8. if (filter_var($int, FILTER_VALIDATE_INT) === 0 || !filter_var($int, FILTER_VALIDATE_INT) === false) {
  9. echo("Integer is valid");
  10. } else {
  11. echo("Integer is not valid");
  12. }
  13. ?>
  15. </body>
  16. </html>
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