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Update SubnetCalculator.php #16

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Update SubnetCalculator.php #16

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23 changes: 19 additions & 4 deletions src/SubnetCalculator.php
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Original file line number Diff line number Diff line change
Expand Up @@ -191,8 +191,8 @@ public function getBroadcastAddress()
*/
public function getMinHost()
{
if ($this->network_size === 32 || $this->network_size === 31) {
return $this->ip_address;
if ($this->network_size > 30) {
return $this->getNetworkPortion();
}
return $this->minHostCalculation(self::FORMAT_QUADS, '.');
}
Expand Down Expand Up @@ -253,9 +253,12 @@ function ($quad) {
*/
public function getMaxHost()
{
if ($this->network_size === 32 || $this->network_size === 31) {
return $this->ip_address;
if ($this->network_size == 32) {
return $this->getNetworkPortion();
} elseif ($this->network_size == 31) {
return $this->addIps($this->getNetworkPortion(), 1);
}

return $this->maxHostCalculation(self::FORMAT_QUADS, '.');
}

Expand Down Expand Up @@ -604,6 +607,18 @@ private function subnetCalculation($format, $separator = '')

return implode($separator, $mask_quads);
}

/**
* Return next (or more) valid IP
*
* @param string $ip IP input
* @param int $num Number to add, default 1
*
* @return string formatted subnet mask
*/
private function addIps($ip, $num=1) {
return long2ip(ip2long($ip)+$num);
}

/**
* Calculate network portion for formatting
Expand Down