cf-platform/Application/Base/Tool/IdCard.class.php

52 lines
1.8 KiB
PHP

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<?php
namespace Base\Tool;
class IdCard
{
public static function isIdcard($id)
{
$id = strtoupper($id);
$regx = "/(^\d{15}$)|(^\d{17}([0-9]|X)$)/";
$arr_split = array();
if (!preg_match($regx, $id)) {
return false;
}
if (15 == strlen($id)) {
$regx = "/^(\d{6})+(\d{2})+(\d{2})+(\d{2})+(\d{3})$/";
@preg_match($regx, $id, $arr_split);
//检查生日日期是否正确
$dtm_birth = "19" . $arr_split[2] . '/' . $arr_split[3] . '/' . $arr_split[4];
if (!strtotime($dtm_birth)) {
return false;
} else {
return true;
}
} else {
$regx = "/^(\d{6})+(\d{4})+(\d{2})+(\d{2})+(\d{3})([0-9]|X)$/";
@preg_match($regx, $id, $arr_split);
$dtm_birth = $arr_split[2] . '/' . $arr_split[3] . '/' . $arr_split[4];
if (!strtotime($dtm_birth)) {
return false;
} else {
//检验18位身份证的校验码是否正确。
//校验位按照ISO 7064:1983.MOD 11-2的规定生成X可以认为是数字10。
$arr_int = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
$arr_ch = array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
$sign = 0;
for ($i = 0; $i < 17; $i++) {
$b = (int)$id{$i};
$w = $arr_int[$i];
$sign += $b * $w;
}
$n = $sign % 11;
$val_num = $arr_ch[$n];
if ($val_num != substr($id, 17, 1)) {
return false;
} else {
return true;
}
}
}
}
}