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<?php |
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namespace devtoolboxuk\internetaddress; |
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class IP |
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{ |
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use IpTrait; |
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/** |
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* @var string |
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*/ |
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public $in_addr; |
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/** |
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* @param string ip |
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* @throws \Exception |
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*/ |
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public function __construct($ip) |
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{ |
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if (!filter_var($ip, FILTER_VALIDATE_IP)) { |
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throw new \Exception("Invalid IP address format"); |
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} |
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$this->in_addr = inet_pton($ip); |
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} |
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public static function parse($ip) |
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{ |
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if (is_numeric($ip)) { |
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return IPv4::parse($ip); |
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} |
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return new self($ip); |
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} |
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public static function parseHex($hexIP) |
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{ |
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if (!preg_match('/^([0-9a-fA-F]{8}|[0-9a-fA-F]{32})$/', $hexIP)) { |
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throw new \Exception("Invalid hexadecimal IP address format"); |
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} |
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return new self(inet_ntop(pack('H*', $hexIP))); |
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} |
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/** |
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* @param string $binIP |
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* @throws \Exception |
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* @return IP |
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*/ |
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public static function parseBin($binIP) |
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{ |
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if (!preg_match('/^([0-1]{32}|[0-1]{128})$/', $binIP)) { |
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throw new \Exception("Invalid binary IP address format"); |
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} |
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$in_addr = ''; |
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foreach (array_map('bindec', str_split($binIP, 8)) as $char) { |
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$in_addr .= pack('C*', $char); |
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} |
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return new self(inet_ntop($in_addr)); |
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} |
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public static function parseInAddr($inAddr) |
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{ |
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return new self(inet_ntop($inAddr)); |
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} |
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public static function parseRange($data) |
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{ |
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return Network::parse($data); |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return inet_ntop($this->in_addr); |
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} |
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/** |
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* @return int |
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*/ |
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public function getMaxPrefixLength() |
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{ |
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return $this->getVersion() === IPv4::version |
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? IPv4::length |
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: IPv6::length; |
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} |
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/** |
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* @return string |
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*/ |
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public function getVersion() |
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{ |
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if (filter_var(inet_ntop($this->in_addr), FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) { |
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return IPv6::version; |
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} |
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return IPv4::version; |
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} |
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/** |
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* @return int |
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*/ |
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public function getOctetsCount() |
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{ |
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return $this->getVersion() === IPv4::version |
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? IPv4::octets |
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: IPv6::octets; |
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} |
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/** |
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* @return string |
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*/ |
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public function inAddr() |
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{ |
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return $this->in_addr; |
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} |
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public function toHex() |
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{ |
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return bin2hex($this->in_addr); |
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} |
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/** |
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* @return string |
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*/ |
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public function toBin() |
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{ |
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$binary = array(); |
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foreach (unpack('C*', $this->in_addr) as $char) { |
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$binary[] = str_pad(decbin($char), 8, '0', STR_PAD_LEFT); |
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} |
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return implode($binary); |
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} |
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/** |
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* @return string |
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*/ |
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public function toLong() |
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{ |
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if ($this->getVersion() === IPv6::version) { |
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return IPv6::getLong($this->in_addr); |
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} |
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return IPv4::getLong($this->in_addr); |
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} |
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/** |
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* @param int $next |
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* @return IP |
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* @throws \Exception |
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*/ |
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public function next($next = 1) |
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{ |
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if ($next < 0) { |
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throw new \Exception("Number must be greater than 0"); |
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} |
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$unpacked = unpack('C*', $this->in_addr); |
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for ($i = 0; $i < $next; $i++) { |
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for ($byte = count($unpacked); $byte >= 0; --$byte) { |
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if ($unpacked[$byte] < 255) { |
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$unpacked[$byte]++; |
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break; |
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} |
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$unpacked[$byte] = 0; |
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} |
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} |
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return new self(inet_ntop(call_user_func_array('pack', array_merge(array('C*'), $unpacked)))); |
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} |
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/** |
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* @param int $next |
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* @return IP |
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* @throws \Exception |
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*/ |
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public function prev($next = 1) |
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{ |
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if ($next < 0) { |
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throw new \Exception("Number must be greater than 0"); |
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} |
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$unpacked = unpack('C*', $this->in_addr); |
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for ($i = 0; $i < $next; $i++) { |
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for ($byte = count($unpacked); $byte >= 0; --$byte) { |
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if ($unpacked[$byte] === 0) { |
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$unpacked[$byte] = 255; |
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} else { |
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$unpacked[$byte]--; |
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break; |
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} |
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} |
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} |
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return new self(inet_ntop(call_user_func_array('pack', array_merge(array('C*'), $unpacked)))); |
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} |
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} |
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