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Calculate and Convert IPv6 to Decimal

/ Published in: PHP
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/********************************************************************************/
/* Description: Calculate and Convert IPV6 to Decimal. */
/* For information, please visit http://www.ip2location.com */
/********************************************************************************/
/* You can obtain free IPV6 database at http://www.ip2location.com/free/ipv6 */

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  1. <?php
  2.  
  3. function ip62long($ipv6){
  4. 	$ip_n = inet_pton($ipv6);
  5. 	$bits = 15;
  6.  
  7.     $ipv6long = 0;
  8.  
  9. 	while($bits >= 0){
  10. 		$bin = sprintf("%08b",(ord($ip_n[$bits])));
  11.  
  12. 		if($ipv6long){
  13. 			$ipv6long = $bin . $ipv6long;
  14. 		}
  15. 		else{
  16. 			$ipv6long = $bin;
  17. 		}
  18. 		$bits--;
  19. 	}
  20. 	return gmp_strval(gmp_init($ipv6long, 2), 10);
  21. }
  22.  
  23. ?>

URL: http://www.ip2location.com/free/ipv6

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