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<?php |
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namespace byrokrat\id; |
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/** |
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* Swedish personal identity numbers |
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*/ |
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class PersonalId extends AbstractId |
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{ |
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/** |
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* Regular expression describing id structure |
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*/ |
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const PATTERN = '/^((?:\d\d)?)(\d{6})([-+]?)(\d{3})(\d)$/'; |
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/** |
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* @var string[] Map of county number high limit to county identifier |
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*/ |
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private static $birthCountyMap = [ |
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13 => Id::COUNTY_STOCKHOLM, |
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15 => Id::COUNTY_UPPSALA, |
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18 => Id::COUNTY_SODERMANLAND, |
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23 => Id::COUNTY_OSTERGOTLAND, |
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26 => Id::COUNTY_JONKOPING, |
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28 => Id::COUNTY_KRONOBERG, |
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31 => Id::COUNTY_KALMAR, |
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32 => Id::COUNTY_GOTLAND, |
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34 => Id::COUNTY_BLEKINGE, |
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38 => Id::COUNTY_KRISTIANSTAD, |
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45 => Id::COUNTY_MALMOHUS, |
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47 => Id::COUNTY_HALLAND, |
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54 => Id::COUNTY_GOTEBORG_BOUHUS, |
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58 => Id::COUNTY_ALVSBORG, |
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61 => Id::COUNTY_SKARABORG, |
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64 => Id::COUNTY_VARMLAND, |
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65 => Id::COUNTY_UNDEFINED, |
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68 => Id::COUNTY_OREBRO, |
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70 => Id::COUNTY_VASTMANLAND, |
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73 => Id::COUNTY_KOPPARBERG, |
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74 => Id::COUNTY_UNDEFINED, |
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77 => Id::COUNTY_GAVLEBORG, |
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81 => Id::COUNTY_VASTERNORRLAND, |
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84 => Id::COUNTY_JAMTLAND, |
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88 => Id::COUNTY_VASTERBOTTEN, |
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92 => Id::COUNTY_NORRBOTTEN |
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]; |
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/** |
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* @var \DateTime Date of birth |
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*/ |
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private $date; |
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/** |
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* Swedish personal identity numbers |
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* |
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* Format is YYYYMMDD(+-)NNNC or YYMMDD(+-)NNNC where parenthesis represents |
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* an optional one char delimiter, N represents the individual number and C |
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* the check digit. If year is set using two digits century is calculated |
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* based on delimiter (+ signals more than a hundred years old). If year is |
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* set using four digits delimiter is calculated based on century. |
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* |
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* @param string $number |
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* @throws Exception\InvalidDateStructureException If date is not logically valid |
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*/ |
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public function __construct($number) |
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{ |
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list(, $century, $this->serialPre, $delimiter, $this->serialPost, $this->checkDigit) |
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= $this->parseNumber(self::PATTERN, $number); |
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$this->delimiter = $delimiter ?: '-'; |
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if ($century) { |
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// Set delimiter based on date (+ if date is more then a hundred years old) |
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$this->date = DateTimeCreator::createFromFormat('Ymd', $century.$this->serialPre); |
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$hundredYearsAgo = new \DateTime(); |
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$hundredYearsAgo->modify('-100 year'); |
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$this->delimiter = $this->getBirthDate() < $hundredYearsAgo ? '+' : '-'; |
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} else { |
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// No century defined |
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$this->date = DateTimeCreator::createFromFormat('ymd', $this->serialPre); |
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// If in the future century is wrong |
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if ($this->date > new \DateTime) { |
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$this->date->modify('-100 year'); |
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} |
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// Date is over a hundred years ago if delimiter is + |
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if ($this->getDelimiter() == '+') { |
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$this->date->modify('-100 year'); |
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} |
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} |
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// Validate that date is logically valid |
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if ($this->date->format('ymd') != $this->serialPre) { |
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throw new Exception\InvalidDateStructureException("Invalid date in <{$this->getId()}>"); |
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} |
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$this->validateCheckDigit(); |
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} |
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/** |
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* Get date of birth |
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* |
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* @return \DateTime |
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*/ |
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public function getBirthDate() |
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{ |
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return $this->date; |
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} |
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/** |
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* Get sex as denoted by id |
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* |
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* @return string One of the sex identifier constants |
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*/ |
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public function getSex() |
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{ |
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return (intval($this->getSerialPostDelimiter()[2])%2 == 0) ? self::SEX_FEMALE : self::SEX_MALE; |
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} |
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/** |
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* Get string describing birth county |
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* |
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* @return string One of the birth county identifier constants |
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*/ |
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3 |
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public function getBirthCounty() |
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{ |
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3 |
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if ($this->getBirthDate() < DateTimeCreator::createFromFormat('Ymd', '19900101')) { |
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$countyNr = (int) substr($this->getSerialPostDelimiter(), 0, 2); |
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foreach (self::$birthCountyMap as $limit => $identifier) { |
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3 |
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if ($countyNr <= $limit) { |
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return $identifier; |
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} |
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} |
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} |
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return Id::COUNTY_UNDEFINED; |
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} |
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} |
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byrokrat /
id
