Mainland ID card number processing class-PHP Tutorial-php.cn

Mainland ID card number processing class

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Release： 2016-07-25 08:43:57

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Including the conversion of 15-digit mainland ID number to 18-digit, ID number validity check and ID card information extraction.

use DateTime;
/**
* ID card number processing class
* @author WeakSun <52132522@qq.com>
*/
class Idcard {
static private $factor = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2),
$verify = array(1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2),
$info = array('status' => false, 'info' => '', 'data' => array());
/**
* Verify the validity of the ID number
* @param string $idnum ID number
* @return array
*/
public function index($idnum = null) {
switch (strlen($idnum)) {
case 18:
break;
case 15:
$idnum = $this->upgrade($idnum);
break;
default :
return $this ->info(false, 'error', $idnum);
}
$info = $this->getInfo($idnum);
$info['status'] = $this->getCode($idnum ) == strtoupper(substr($idnum, -1));
return $info;
}
/**
* Get ID card information
* @param string $idnum ID number
* @return array
*/
public function getInfo($idnum) {
$data = array(
'id ' => $idnum,
'city' => substr($idnum, 0, 6),
'birthday' => substr($idnum, 6, 4) . '-' . substr($idnum, 10, 2) . '-' . substr($idnum, 10, 2),
'sex' => substr($idnum, -2, 1) % 2 ? 'Male' : 'Female'
);
$datetime = new DateTime($data['birthday']);
$data['age'] = $datetime->diff(date_create())->format('%y');
return $this ->info(true, null, $data);
}
/**
* 15-digit number upgraded to 18 digits
* @param string $idnum
* @return array
*/
public function upgrade($idnum) {
if (strlen($idnum) != 15) {
$this ->info(true, null, $idnum);
} else {
$idnum = array(substr($idnum, 0, 6), 19, substr($idnum, 6));
substr($idnum, -3) > 995 && $idnum[1] --;
$idnum = implode('', $idnum);
}
return $this->info(true, null, $idnum . $this-> ;getCode($idnum));
}
/**
* Get confirmation code
* @param string $idnum ID number
* @return string Return confirmation code if successful, false if failed
*/
protected function getCode($idnum) {
$code = 0;
foreach (str_split($idnum) as $k => $ v) {
$code += $v * static::$factor[$k];
}
$index = $code % 11;
return static::$verify[$index];
}
protected function info($status, $msg = null, $data = null) {
$info = static::$info;
empty($msg) || $info['info'] = $msg;
empty($data ) || $info['data'] = $data;
if(is_array($status)){
$this->info = array_merge($info, $status);
}elseif(is_bool($status) ){
$info['status'] = $status;
}
return $this->info;
}
}

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