<?php
function hideStar($str) { //用戶名、郵箱、手機賬號中間字符串以*隱藏
  if (strpos($str, '@')) {
    $email_array = explode("@", $str);
    $prevfix = (strlen($email_array[0]) < 4) ? "" : substr($str, 0, 3); //郵箱前綴
    $count = 0;
    $str = preg_replace('/([\d\w+_-]{0,100})@/', '***@', $str, -1, $count);
    $rs = $prevfix . $str;
  } else {
    $pattern = '/(1[3458]{1}[0-9])[0-9]{4}([0-9]{4})/i';
    if (preg_match($pattern, $str)) {
      $rs = preg_replace($pattern, '$1****$2', $str); // substr_replace($name,'****',3,4);
    } else {
      $rs = substr($str, 0, 3) . "***" . substr($str, -1);
    }
  }
  return $rs;
}
?>
<?php
$account = "jb51.net";
$email = "123456789@qq.com";
$phone = "13888888888";
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>演示：PHP以星號隱藏用戶名手機和郵箱</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/>
    <link rel="stylesheet" type="text/css" href="css/common.css" />
    <style type="text/css">
    </style>
  </head>
  <body>
    <div class="head">
      <div class="head_inner clearfix">
        <ul id="nav">
          <li><a href="/">首 頁</a></li>
          <li><a href="/templates">網(wǎng)站模板</a></li>
          <li><a href="/js">網(wǎng)頁特效</a></li>
          <li><a href="/php">PHP</a></li>
          <li><a href="/site">精選網(wǎng)址</a></li>
        </ul>
        <a class="logo" href=""><img src="images/logo.jpg" alt="素材火logo" /></a>
      </div>
    </div>
    <div class="container">
      <div class="demo">
        <h2 class="title"><a href="#">教程：PHP以星號隱藏用戶名手機和郵箱</a></h2>
        <table width="100%" class="table_parameters">
          <tr class="tr_head">
            <td>賬號</td>
            <td>郵箱</td>
            <td>手機</td>
          </tr>
          <tr>
            <td><?php echo $account; ?></td>
            <td><?php echo $email; ?></td>
            <td><?php echo $phone; ?></td>
          </tr>
          <tr class="red">
            <td><?php echo hideStar($account); ?></td>
            <td><?php echo hideStar($email); ?></td>
            <td><?php echo hideStar($phone); ?></td>
          </tr>
        </table>
      </div>
    </div>
  </body>
</html>

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