Validate an IP address

SUBMITTED BY: henry1874w

DATE: June 21, 2017, 11:46 p.m.

FORMAT: Text only

SIZE: 238 Bytes

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  1. <!DOCTYPE html>
  2. <html>
  3. <body>
  5. <?php
  6. $ip = "127.0.0.1";
  8. if (!filter_var($ip, FILTER_VALIDATE_IP) === false) {
  9. echo("$ip is a valid IP address");
  10. } else {
  11. echo("$ip is not a valid IP address");
  12. }
  13. ?>
  15. </body>
  16. </html>
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