最近复习了正则表达式的使用,手痒痒就做了一份验证正则,身份证号验证(兼容15,18位) ,在注册验证的时候可以用上。
03
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protected function checkIdCard(){
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04
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if(empty($_POST['idcard'])){
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07
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$idcard = $_POST['idcard'];
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08
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$City = array(11=>"北京",12=>"天津",13=>"河北",14=>"山西",15=>"内蒙古",21=>"辽宁",22=>"吉林",23=>"黑龙江",31=>"上海",32=>"江苏",33=>"浙江",34=>"安徽",35=>"福建",36=>"江西",37=>"山东",41=>"河南",42=>"湖北",43=>"湖南",44=>"广东",45=>"广西",46=>"海南",50=>"重庆",51=>"四川",52=>"贵州",53=>"云南",54=>"*",61=>"陕西",62=>"甘肃",63=>"青海",64=>"宁夏",65=>"*",71=>"*",81=>"香港",82=>"澳门",91=>"国外");
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10
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$idCardLength = strlen($idcard);
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12
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if(!preg_match('/^\d{17}(\dx)$/i',$idcard) and!preg_match('/^\d{15}$/i',$idcard))
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17
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if(!array_key_exists(intval(substr($idcard,0,2)),$City))
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22
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if ($idCardLength == 15)
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24
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$sBirthday = '19'.substr($idcard,6,2).'-'.substr($idcard,8,2).'-'.substr($idcard,10,2);
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25
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$d = new DateTime($sBirthday);
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26
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$dd = $d->format('Y-m-d');
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31
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$idcard = substr($idcard,0,6)."19".substr($idcard,6,9);//15to18
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32
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$Bit18 = getVerifyBit($idcard);//算出第18位校验码
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33
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$idcard = $idcard.$Bit18;
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35
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// 判断是否大于2078年,小于1900年
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36
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$year = substr($idcard,6,4);
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43
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$sBirthday = substr($idcard,6,4).'-'.substr($idcard,10,2).'-'.substr($idcard,12,2);
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44
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$d = new DateTime($sBirthday);
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45
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$dd = $d->format('Y-m-d');
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51
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$idcard_base = substr($idcard,0,17);
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52
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if(strtoupper(substr($idcard,17,1)) != getVerifyBit($idcard_base))
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56
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return $_POST['idcard'];
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59
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// 计算身份证校验码,根据国家标准GB 11643-1999
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60
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function getVerifyBit($idcard_base)
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62
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if(strlen($idcard_base) != 17)
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67
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$factor = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
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69
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$verify_number_list = array('1', '0', 'X', '9', '8', '7', '6', '5', '4','3', '2');
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73
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$checksum += substr($idcard_base, $i, 1) * $factor[$i];
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75
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$mod = $checksum % 11;
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76
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$verify_number = $verify_number_list[$mod];
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77
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return $verify_number;
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