/**
* Determines if the IP address is in a specified IP address range.
*
* An IPv4-mapped address should be range checked with an IPv4-mapped address range.
*
* @param array|string $ipRange IP address range (string or array containing min and max IP addresses)
* @return bool
*/
public function isInRange($ipRange)
{
$ipLen = strlen($this->ip);
if (empty($this->ip) || empty($ipRange) || $ipLen != 4 && $ipLen != 16) {
return false;
}
if (is_array($ipRange)) {
// already split into low/high IP addresses
$ipRange[0] = IPUtils::stringToBinaryIP($ipRange[0]);
$ipRange[1] = IPUtils::stringToBinaryIP($ipRange[1]);
} else {
// expect CIDR format but handle some variations
$ipRange = IPUtils::getIPRangeBounds($ipRange);
}
if ($ipRange === null) {
return false;
}
$low = $ipRange[0];
$high = $ipRange[1];
if (strlen($low) != $ipLen) {
return false;
}
// binary-safe string comparison
if ($this->ip >= $low && $this->ip <= $high) {
return true;
}
return false;
}
