PHP7中文手册2018 带注释 最新chm版
- /**
- * 验证身份证号
- * @param $vStr
- * @return bool
- */
- function isCreditNo($vStr)
- {
- $vCity = array(
- '11','12','13','14','15','21','22',
- '23','31','32','33','34','35','36',
- '37','41','42','43','44','45','46',
- '50','51','52','53','54','61','62',
- '63','64','65','71','81','82','91'
- );
- if (!preg_match('/^([\d]{17}[xX\d]|[\d]{15})$/', $vStr)) return false;
- if (!in_array(substr($vStr, 0, 2), $vCity)) return false;
- $vStr = preg_replace('/[xX]$/i', 'a', $vStr);
- $vLength = strlen($vStr);
- if ($vLength == 18)
- {
- $vBirthday = substr($vStr, 6, 4) . '-' . substr($vStr, 10, 2) . '-' . substr($vStr, 12, 2);
- } else {
- $vBirthday = '19' . substr($vStr, 6, 2) . '-' . substr($vStr, 8, 2) . '-' . substr($vStr, 10, 2);
- }
- if (date('Y-m-d', strtotime($vBirthday)) != $vBirthday) return false;
- if ($vLength == 18)
- {
- $vSum = 0;
- for ($i = 17 ; $i >= 0 ; $i--)
- {
- $vSubStr = substr($vStr, 17 - $i, 1);
- $vSum += (pow(2, $i) % 11) * (($vSubStr == 'a') ? 10 : intval($vSubStr , 11));
- }
- if($vSum % 11 != 1) return false;
- }
- return true;
- }
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