本文实例讲述了PHP使用星号隐藏用户名,手机和邮箱的实现方法。分享给大家供大家参考，具体如下：
PHP使用星号替代用户名手机和邮箱这个在许多的活动界面会看到如淘宝的购物界面中的一些客户的支付宝号都是隐藏掉的哦,下面我们来看一下它的使用方法吧.
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<?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 = "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="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 页</a></li>
<li><a href="/templates">网站模板</a></li>
<li><a href="/js">网页特效</a></li>
<li><a href="/php">PHP</a></li>
<li><a href="/site">精选网址</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>
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希望本文所述对大家PHP程序设计有所帮助。