1: <?php
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24: class Jyxo_Input_Validator_IsIpV6 extends Jyxo_Input_Validator_AbstractValidator
25: {
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32: public function isValid($value)
33: {
34: $pattern8bit = '(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]?[0-9])';
35: $patternIpV4 = '(?:' . $pattern8bit . '(?:[.]' . $pattern8bit . '){3})';
36:
37:
38: $patternIpV6Variant8Hex = '(?:(?:[0-9a-f]{1,4}:){7}[0-9a-f]{1,4})';
39:
40: $patternIpV6VariantCompressedHex = '(?:(?:(?:[0-9a-f]{1,4}(?::[0-9a-f]{1,4})*)?)::(?:(?:[0-9a-f]{1,4}(?::[0-9a-f]{1,4})*)?))';
41:
42: $patternIpV6VariantHex4Dec = '(?:(?:(?:[0-9a-f]{1,4}:){6})' . $patternIpV4 . ')';
43:
44: $patternIpV6VariantCompressedHex4Dec = '(?:(?:(?:[0-9a-f]{1,4}(?::[0-9a-f]{1,4})*)?)::(?:(?:[0-9a-f]{1,4}:)*)' . $patternIpV4 . ')';
45: $patternIpV6 = '(?:' . $patternIpV6Variant8Hex . '|' . $patternIpV6VariantCompressedHex . '|' . $patternIpV6VariantHex4Dec . '|' . $patternIpV6VariantCompressedHex4Dec . ')';
46:
47: if (!preg_match('~^' . $patternIpV6 . '$~', (string) $value)) {
48: return false;
49: }
50:
51: return true;
52: }
53: }
54: