Revision b1b42a06
Added by Warren Baker almost 14 years ago
| etc/inc/util.inc | ||
|---|---|---|
| 502 | 502 |
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| 503 | 503 |
} |
| 504 | 504 |
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| 505 |
/* returns true if $subnet is a valid subnet in CIDR format */ |
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/* returns true if $subnet is a valid IPv4 or IPv6 subnet in CIDR format */
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| 506 | 506 |
function is_subnet($subnet) {
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| 507 |
if(is_subnetv4($subnet)) {
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| 508 |
return true; |
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| 509 |
} |
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| 510 |
if(is_subnetv6($subnet)) {
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| 511 |
return true; |
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| 512 |
} |
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| 513 |
return false; |
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} |
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/* returns true if $subnet is a valid IPv4 subnet in CIDR format */ |
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function is_subnetv4($subnet) {
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| 507 | 518 |
if (!is_string($subnet)) |
| 508 | 519 |
return false; |
| 509 | 520 |
|
Also available in: Unified diff
Combine is_subnet to check for both v4 and v6 subnets