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<?php |
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namespace DavidePastore\CodiceFiscale; |
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/** |
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* Codice Fiscale calculator. |
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* |
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* @author davidepastore |
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*/ |
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class Calculator |
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{ |
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private $subject; |
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private $omocodiaLevel = 0; |
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/** |
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* Array of available vowels. |
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*/ |
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private $vowels = array('A', 'E', 'I', 'O', 'U'); |
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/** |
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* Array of all available months. |
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*/ |
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private $months = array( |
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'1' => 'A', |
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'2' => 'B', |
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'3' => 'C', |
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'4' => 'D', |
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'5' => 'E', |
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'6' => 'H', |
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'7' => 'L', |
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'8' => 'M', |
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'9' => 'P', |
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'10' => 'R', |
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'11' => 'S', |
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'12' => 'T', |
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); |
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/** |
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* Array of all avaialable odd characters. |
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*/ |
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private $odd = array( |
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'0' => 1, |
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'1' => 0, |
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'2' => 5, |
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'3' => 7, |
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'4' => 9, |
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'5' => 13, |
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'6' => 15, |
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'7' => 17, |
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'8' => 19, |
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'9' => 21, |
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'A' => 1, |
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'B' => 0, |
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'C' => 5, |
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'D' => 7, |
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'E' => 9, |
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'F' => 13, |
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'G' => 15, |
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'H' => 17, |
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'I' => 19, |
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'J' => 21, |
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'K' => 2, |
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'L' => 4, |
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'M' => 18, |
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'N' => 20, |
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'O' => 11, |
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'P' => 3, |
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'Q' => 6, |
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'R' => 8, |
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'S' => 12, |
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'T' => 14, |
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'U' => 16, |
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'V' => 10, |
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'W' => 22, |
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'X' => 25, |
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'Y' => 24, |
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'Z' => 23, |
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); |
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/** |
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* Array of all avaialable even characters. |
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*/ |
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private $even = array( |
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'0' => 0, |
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'1' => 1, |
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'2' => 2, |
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'3' => 3, |
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'4' => 4, |
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'5' => 5, |
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'6' => 6, |
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'7' => 7, |
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'8' => 8, |
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'9' => 9, |
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'A' => 0, |
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'B' => 1, |
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'C' => 2, |
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'D' => 3, |
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'E' => 4, |
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'F' => 5, |
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'G' => 6, |
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'H' => 7, |
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'I' => 8, |
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'J' => 9, |
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'K' => 10, |
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'L' => 11, |
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'M' => 12, |
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'N' => 13, |
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'O' => 14, |
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'P' => 15, |
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'Q' => 16, |
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'R' => 17, |
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'S' => 18, |
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'T' => 19, |
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'U' => 20, |
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'V' => 21, |
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'W' => 22, |
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'X' => 23, |
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'Y' => 24, |
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'Z' => 25, |
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); |
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/** |
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* Array of all avaialable omocodia characters. |
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*/ |
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private $omocodiaCodes = array( |
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'0' => 'L', |
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'1' => 'M', |
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'2' => 'N', |
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'3' => 'P', |
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'4' => 'Q', |
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'5' => 'R', |
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'6' => 'S', |
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'7' => 'T', |
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'8' => 'U', |
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'9' => 'V', |
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); |
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/** |
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* Create a Codice Fiscale instance. |
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* |
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* @param Subject $subject The subject that will have the codice fiscale. |
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* @param $properties An array with additional properties. |
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*/ |
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public function __construct(Subject $subject, $properties = array()) |
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{ |
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$this->subject = $subject; |
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if (array_key_exists('omocodiaLevel', $properties)) { |
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$this->omocodiaLevel = $properties['omocodiaLevel']; |
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} |
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} |
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/** |
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* Calculate the code fiscale. |
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* |
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* @returns Returns the complete codice fiscale. |
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*/ |
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public function calculate() |
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{ |
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$temporaryCodiceFiscale = $this->calculateSurname().$this->calculateName(). |
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$this->calculateBirthDateAndGender().$this->calculateBelfioreCode(); |
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$temporaryCodiceFiscale = $this->calculateOmocodia($temporaryCodiceFiscale); |
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return $temporaryCodiceFiscale.$this->calculateCheckDigit($temporaryCodiceFiscale); |
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} |
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/** |
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* Calculate all possibilities for the code fiscale. |
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* |
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* @returns Returns the complete codice fiscale. |
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*/ |
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public function calculateAllPossibilities() |
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{ |
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$allPossibilities = array(); |
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for ($i = 0; $i < 8; ++$i) { |
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$this->omocodiaLevel = $i; |
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$allPossibilities[] = $this->calculate(); |
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} |
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return $allPossibilities; |
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} |
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/** |
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* Calculate the surname part of the codice fiscale. |
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* |
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* @returns Returns the surname part of the codice fiscale. |
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*/ |
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private function calculateSurname() |
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{ |
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$consonants = str_replace($this->vowels, '', strtoupper($this->subject->getSurname())); |
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if (strlen($consonants) > 2) { |
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$result = substr($consonants, 0, 3); |
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} else { |
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$result = $this->calculateSmallString($consonants, $this->subject->getSurname()); |
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} |
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return $result; |
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} |
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/** |
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* Calculate the name part of the codice fiscale. |
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* |
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* @returns Returns the name part of the codice fiscale. |
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*/ |
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private function calculateName() |
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{ |
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$consonants = str_replace($this->vowels, '', strtoupper($this->subject->getName())); |
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if (strlen($consonants) > 3) { |
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$result = $consonants[0].$consonants[2].$consonants[3]; |
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} elseif (strlen($consonants) == 3) { |
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$result = $consonants; |
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} else { |
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$result = $this->calculateSmallString($consonants, $this->subject->getName()); |
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} |
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return $result; |
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} |
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/** |
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* Calculate small string for the given parameters (used by name and surname). |
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* @param $consonants A consonants string. |
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* @param $string The small string. |
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* @returns Returns the calculated result for the small string. |
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*/ |
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private function calculateSmallString($consonants, $string) |
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{ |
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$vowels = str_replace(str_split($consonants), '', strtoupper($string)); |
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$result = substr($consonants.$vowels.'XXX', 0, 3); |
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return $result; |
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} |
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/** |
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* Calculate the birth date and the gender. |
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* |
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* @returns Returns the birth date and gender part of the codice fiscale. |
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*/ |
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private function calculateBirthDateAndGender() |
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{ |
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$year = $this->subject->getBirthDate()->format('y'); |
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$month = $this->months[$this->subject->getBirthDate()->format('n')]; |
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$day = $this->subject->getBirthDate()->format('d'); |
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if (strtoupper($this->subject->getGender()) == 'F') { |
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$day += 40; |
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} |
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return $year.$month.$day; |
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} |
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/** |
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* Calculate the Belfiore code. |
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* @returns Returns the Belfiore code. |
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*/ |
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private function calculateBelfioreCode() |
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{ |
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return strtoupper($this->subject->getBelfioreCode()); |
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} |
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/** |
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* Calculate the check digit. |
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* |
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* @param $temporaryCodiceFiscale The first part of the codice fiscale. |
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* @returns Returns the check digit part of the codice fiscale. |
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*/ |
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private function calculateCheckDigit($temporaryCodiceFiscale) |
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{ |
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$sumEven = $this->calculateSumByDictionary($temporaryCodiceFiscale, $this->even, 1); |
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$sumOdd = $this->calculateSumByDictionary($temporaryCodiceFiscale, $this->odd, 0); |
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return chr(($sumOdd + $sumEven) % 26 + 65); |
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} |
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/** |
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* Calculate the sum by the given dictionary for the given temporary codice fiscale. |
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* |
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* @param $temporaryCodiceFiscale The temporary codice fiscale. |
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* @param $dictionaryArray The dictionary array. |
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* @param $i The start index value. |
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* @returns Returns the sum by the given dictionary for the given temporary codice fiscale. |
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*/ |
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private function calculateSumByDictionary($temporaryCodiceFiscale, $dictionaryArray, $i) |
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{ |
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$sum = 0; |
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for (; $i < 15; $i = $i + 2) { |
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$k = $temporaryCodiceFiscale{$i}; |
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$sum = $sum + $dictionaryArray[$k]; |
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} |
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return $sum; |
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} |
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/** |
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* Calculate the omocodia case (additional translation). |
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* |
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* @param $temporaryCodiceFiscale The first part of the codice fiscale. |
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* @returns Returns the new codice fiscale. |
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*/ |
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private function calculateOmocodia($temporaryCodiceFiscale) |
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{ |
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if ($this->omocodiaLevel > 0) { |
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$omocodiaLevelApplied = 0; |
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for ($i = strlen($temporaryCodiceFiscale) - 1; $i > 0; --$i) { |
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$k = $temporaryCodiceFiscale{$i}; |
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if ($omocodiaLevelApplied < $this->omocodiaLevel && is_numeric($k)) { |
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$newChar = $this->omocodiaCodes[$k]; |
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$temporaryCodiceFiscale{$i} |
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= $newChar; |
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++$omocodiaLevelApplied; |
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} |
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} |
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} |
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return $temporaryCodiceFiscale; |
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} |
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} |
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