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<?php |
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//adopted from poweradmin (https://github.com/poweradmin) |
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/** |
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* Class IpCheck |
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*/ |
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class IpCheck |
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{ |
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public $ipin; |
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public $ipout; |
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public $ipver; |
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// Return IP type. 4 for IPv4, 6 for IPv6, 0 for bad IP. |
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/** |
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* @param $ipValue |
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*/ |
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public function addressType($ipValue) |
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{ |
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$this->ipin = $ipValue; |
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$this->ipver = 0; |
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// IPv4 addresses are easy-peasy |
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if (filter_var($this->ipin, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) { |
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$this->ipver = 4; |
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$this->ipout = $this->ipin; |
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} |
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// IPv6 is at least a little more complex. |
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if (filter_var($this->ipin, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) { |
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// Look for embedded IPv4 in an embedded IPv6 address, where FFFF is appended. |
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if (strpos($this->ipin, '::FFFF:') === 0) { |
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$ipv4addr = substr($this->ipin, 7); |
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View Code Duplication |
if (filter_var($ipv4addr, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) { |
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$this->ipver = 4; |
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$this->ipout = $ipv4addr; |
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} |
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// Look for an IPv4 address embedded as ::x.x.x.x |
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} elseif (strpos($this->ipin, '::') === 0) { |
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$ipv4addr = substr($this->ipin, 2); |
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View Code Duplication |
if (filter_var($ipv4addr, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) { |
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$this->ipver = 4; |
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$this->ipout = $ipv4addr; |
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} |
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// Otherwise, assume this an IPv6 address. |
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} else { |
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$this->ipver = 6; |
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$this->ipout = $this->ipin; |
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} |
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} |
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} |
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/** Check whether the given address is an IP address |
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* |
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* @param string $ip Given IP address |
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* |
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* @return string A if IPv4, AAAA if IPv6 or 0 if invalid |
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*/ |
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public function isValidIpAddress($ip) |
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{ |
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$value = 0; |
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if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) { |
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$value = 'A'; |
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} elseif (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) { |
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$value = 'AAAA'; |
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} |
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return $value; |
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} |
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} |
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mambax7 /
newbb5
Loading history...
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.