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Home php教程 PHP源碼 php驗(yàn)證身份證號(hào)碼正確性的函數(shù)

php驗(yàn)證身份證號(hào)碼正確性的函數(shù)

Mar 23, 2017 am 10:48 AM
ID number verification

這篇文章主要為大家分享了兩段php驗(yàn)證身份證號(hào)碼是否正確的函數(shù),感興趣的小伙伴們可以參考一下

身份證驗(yàn)證最簡(jiǎn)單的就是判斷長(zhǎng)度了,當(dāng)然這種非常簡(jiǎn)單破了如果要更規(guī)則一點(diǎn)我們需要對(duì)身份證號(hào)碼進(jìn)行一些按生成規(guī)則驗(yàn)證了,下面整理了一些函數(shù)我們來(lái)看看。

例子,今天分享一個(gè)php驗(yàn)證身份證號(hào)碼是否正確函數(shù).

/********************php驗(yàn)證身份證號(hào)碼是否正確函數(shù)*********************/ 
function is_idcard( $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)) //檢查15位 
  { 
    $regx = "/^(\d{6})+(\d{2})+(\d{2})+(\d{2})+(\d{3})$/"; 
 
    @preg_match($regx, $id, $arr_split); 
    //檢查生日日期是否正確 
    $dtm_birth = "19".$arr_split[2] . '/' . $arr_split[3]. '/' .$arr_split[4]; 
    if(!strtotime($dtm_birth)) 
    { 
      return FALSE; 
    } else { 
      return TRUE; 
    } 
  } 
  else      //檢查18位 
  { 
    $regx = "/^(\d{6})+(\d{4})+(\d{2})+(\d{2})+(\d{3})([0-9]|X)$/"; 
    @preg_match($regx, $id, $arr_split); 
    $dtm_birth = $arr_split[2] . '/' . $arr_split[3]. '/' .$arr_split[4]; 
    if(!strtotime($dtm_birth)) //檢查生日日期是否正確 
    { 
      return FALSE; 
    } 
    else 
    { 
      //檢驗(yàn)18位身份證的校驗(yàn)碼是否正確。 
      //校驗(yàn)位按照ISO 7064:1983.MOD 11-2的規(guī)定生成,X可以認(rèn)為是數(shù)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; 
      } //phpfensi.com 
      else 
      { 
        return TRUE; 
      } 
    } 
  } 
 
}

調(diào)用身份證驗(yàn)證函數(shù)
$idc=is_idcard("身份證號(hào)碼");
if($idc){echo "正確";}else{echo "錯(cuò)誤";}

例子二:

function validation_filter_id_card($id_card){ 
 if(strlen($id_card)==18){ 
 return idcard_checksum18($id_card); 
 }elseif((strlen($id_card)==15)){ 
 $id_card=idcard_15to18($id_card); 
 return idcard_checksum18($id_card); 
 }else{ 
 return false; 
 } 
} 
// 計(jì)算身份證校驗(yàn)碼,根據(jù)國(guó)家標(biāo)準(zhǔn)GB 11643-1999 
function idcard_verify_number($idcard_base){ 
 if(strlen($idcard_base)!=17){ 
 return false; 
 } 
 //加權(quán)因子 
 $factor=array(7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2); 
 //校驗(yàn)碼對(duì)應(yīng)值 
 $verify_number_list=array(&#39;1&#39;,&#39;0&#39;,&#39;X&#39;,&#39;9&#39;,&#39;8&#39;,&#39;7&#39;,&#39;6&#39;,&#39;5&#39;,&#39;4&#39;,&#39;3&#39;,&#39;2&#39;); 
 $checksum=0; 
 for($i=0;$i<strlen($idcard_base);$i++){ 
 $checksum += substr($idcard_base,$i,1) * $factor[$i]; 
 } 
 $mod=$checksum % 11; 
 $verify_number=$verify_number_list[$mod]; 
 return $verify_number; 
} 
// 將15位身份證升級(jí)到18位 
function idcard_15to18($idcard){ 
 if(strlen($idcard)!=15){ 
 return false; 
 }else{ 
 // 如果身份證順序碼是996 997 998 999,這些是為百歲以上老人的特殊編碼 
 if(array_search(substr($idcard,12,3),array(&#39;996&#39;,&#39;997&#39;,&#39;998&#39;,&#39;999&#39;)) !== false){ 
  $idcard=substr($idcard,0,6).&#39;18&#39;.substr($idcard,6,9); 
 }else{ 
  $idcard=substr($idcard,0,6).&#39;19&#39;.substr($idcard,6,9); 
 } 
 } 
 $idcard=$idcard.idcard_verify_number($idcard); 
 return $idcard; 
} 
// 18位身份證校驗(yàn)碼有效性檢查 
function idcard_checksum18($idcard){ 
 if(strlen($idcard)!=18){ 
 return false; 
 } 
 $idcard_base=substr($idcard,0,17); 
 if(idcard_verify_number($idcard_base)!=strtoupper(substr($idcard,17,1))){ 
 return false; 
 }else{ 
 return true; 
 } 
}

調(diào)用方法如:validation_filter_id_card('身份證號(hào)碼');

以上就是本文的全部?jī)?nèi)容,希望對(duì)大家的學(xué)習(xí)有所幫助。

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