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这次给大家带来PHP使用星号替代用户名手机与邮箱部分字符，PHP使用星号替代用户名手机与邮箱部分字符的注意事项有哪些，下面就是实战案例，一起来看一下。
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.
<?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>
<p class="head">
<p 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>
</p>
</p>
<p class="container">
<p 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>
</p>
</p>
</body>
</html>
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