简单验证IPv6的PHP代码
- WBOYOriginal
- 2016-06-08 17:27:551966browse
$ip="2001:0db8:85a3:08d3:1319:8a2e:0370:7334";
02 //$ip="2001:0db8:85a3:08d3::7334";
03 if(filter_var($ip,FILTER_VALIDATE_IP,FILTER_FLAG_IPV6)！=false)
04
05 {
06 echo $ip." is an IPv6 Address";
07 }else
08 {
09 echo $ip." is NOT an IPv6 Address";
10 }
11 //PHP 5.2.0.x版本通过测试
filter_var() 函数通过指定的过滤器过滤变量。
如果成功，则返回已过滤的数据，如果失败，则返回 false
02 // literally from the ABNF in rfc3986 (thanks to 'WCP')
03 function validateIPv6($IP)
04 {
05 return preg_match('/A
06 (?:
07 (?:
08 (?:[a-f0-9]{1,4}:){6}
09 |
10 ::(?:[a-f0-9]{1,4}:){5}
11 |
12 (?:[a-f0-9]{1,4})?::(?:[a-f0-9]{1,4}:){4}
13 |
14 (?:(?:[a-f0-9]{1,4}:){0,1}[a-f0-9]{1,4})?::(?:[a-f0-9]{1,4}:){3}
15 |
16 (?:(?:[a-f0-9]{1,4}:){0,2}[a-f0-9]{1,4})?::(?:[a-f0-9]{1,4}:){2}
17 |
18 (?:(?:[a-f0-9]{1,4}:){0,3}[a-f0-9]{1,4})?::[a-f0-9]{1,4}:
19 |
20 (?:(?:[a-f0-9]{1,4}:){0,4}[a-f0-9]{1,4})?::
21 )
22 (?:
23 [a-f0-9]{1,4}:[a-f0-9]{1,4}
24 |
25 (?:(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5]).){3}
26 (?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])
27 )
28 |
29 (?:
30 (?:(?:[a-f0-9]{1,4}:){0,5}[a-f0-9]{1,4})?::[a-f0-9]{1,4}
31 |
32 (?:(?:[a-f0-9]{1,4}:){0,6}[a-f0-9]{1,4})?::
33 )
34 )Z/ix',
35 $IP
36 );
37 }
38 ?>