?php 
function hideStar($str) { //用户名、邮箱、手机账号中间字符串以*隐藏 
  if (strpos($str, '@')) { 
    $email_array = explode("@", $str); 
    $prevfix = (strlen($email_array[0])  4) ? "" : substr($str, 0, 3); //邮箱前缀 
    $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 = "phpfensi.com"; 
$email = "416148489@qq.com"; 
$phone = "18005152525"; 
?> 
!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以星号隐藏用户名手机和邮箱/title> 
    meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/> 
    link rel="stylesheet" type="text/css" href="http://www.phpfensi.com /jquery/css/common.css" rel="external nofollow" /> 
    style type="text/css"> 
    /style> 
  /head> 
  body> 
    div class="head"> 
      div class="head_inner clearfix"> 
        ul id="nav"> 
          li>a href="http://www.phpfensi.com " rel="external nofollow" rel="external nofollow" >首 页/a>/li> 
          li>a href="http://www.phpfensi.com /templates" rel="external nofollow" >网站模板/a>/li> 
          li>a href="http://www.phpfensi.com /js" rel="external nofollow" >网页特效/a>/li> 
          li>a href="http://www.phpfensi.com /php" rel="external nofollow" >PHP/a>/li> 
          li>a href="http://www.phpfensi.com /site" rel="external nofollow" >精选网址/a>/li> 
        /ul> 
        a class="logo" href="http://www.phpfensi.com " rel="external nofollow" rel="external nofollow" >img src="http://www.phpfensi.com /Public/images/logo.jpg" alt="素材火logo" />/a> 
      /div> 
    /div> 
    div class="container"> 
      div class="demo"> 
        h2 class="title">a href="http://www.phpfensi.com /js/548.html" rel="external nofollow" >教程：PHP以星号隐藏用户名手机和邮箱/a>/h2> 
        table width="100%" class="table_parameters"> 
          tr class="tr_head"> 
            td>账号/td> 
            td>邮箱/td> 
            td>手机/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>