最近网站有点多了，为了方便看所有站点的 SSL 证书，想搞个监控，目前就写到检测是否有效（很垃圾，就这样吧）
我的环境 php70，其他版本未测，应该都可以用
我的 SSL 监控站：https://ssl.009898.xyz/
创建一个 php，复制下面内容，修改 siteArray 里面的网站
<html>
<head>
<link rel="stylesheet" type="text/css" href="https://cdn.staticfile.org/layui/2.6.8/css/layui.min.css">
<style>
i.layui-icon.layui-icon-close {
border-radius: 2px;
background-color: #FF5722;
color: #fff;
padding: 3px;
font-size: 14px;
}
i.layui-icon.layui-icon-ok {
border-radius: 2px;
background-color: #2ec770;
color: #fff;
padding: 3px;
font-size: 14px;
}
.layui-table tr th {
font-weight: 600;
}
.layui-table {
color: #333;
}
.layui-table th, .layui-table td{
font-size:15px;
}
</style>
</head>
<body style="margin: 0 50px;">
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 20px;">
<legend>SSL 证书监控</legend>
</fieldset>
<div class="layui-form">
<table class="layui-table">
<colgroup>
<col width="250">
<col width="120">
<col width="230">
</colgroup>
<thead>
<tr>
<th>网站</th>
<th>是否有效</th>
<th>到期时间</th>
<th>剩余时间</th>
</tr>
</thead>
<tbody>
<?php
$g = stream_context_create ([
"ssl" => ["capture_peer_cert" => true],
'http' => [
'method' => 'GET',
'user_agent' => 'Chrome 42.0.2311.135',
'timeout'=>500
]
]);
date_default_timezone_set('PRC');
$siteArray=array("https://009898.xyz","https://status.009898.xyz","https://cloud.009898.xyz","https://pic.009898.xyz","https://github.009898.xyz","https://jp.009898.xyz","https://sj.009898.xyz","https://nl.009898.xyz","https://hostcli.009898.xyz","https://imgcdn.009898.xyz");
foreach ($siteArray as $value){
//$r = fopen($value, "rb", false, $g);
$orignal_parse = parse_url($value, PHP_URL_HOST);
$r = stream_socket_client("ssl://".$orignal_parse.":443", $errno, $errstr, 30, STREAM_CLIENT_CONNECT, $g);
$cont = stream_context_get_params($r);
$cert = openssl_x509_parse($cont["options"]["ssl"]["peer_certificate"]);
$expireDate = date("Y-m-d H:i:s", $cert['validTo_time_t']);
$date1 = date_create(date('Y-m-d H:i:s'));
$date2 = date_create($expireDate);
$diff = date_diff($date1, $date2)->format('%R%a 天');
if(empty($cert['validTo_time_t'])) {
echo "<tr><td>", str_replace("https://","",$value,$i), "</td><td><i class=\"layui-icon layui-icon-close\"></i></td><td>", "已过期", "</td><td>", $diff ,"</td></tr>";
} else {
echo "<tr><td>", str_replace("https://","",$value,$i), "</td><td><i class=\"layui-icon layui-icon-ok\"></i></td><td>", $expireDate , "</td><td>", $diff ,"</td></tr>";
}
}
?>
</tbody>
</table>
</div>
<div class="site-footer" style="text-align:center;padding:40px 0;color:#868e96;display:flex;justify-content:center;align-items:center;position:fixed;bottom:0;width:100%;">
Powered by<a href="https://009898.xyz/post/ssl-zheng-shu-jian-kong-php/" target="_blank"> Mark</a>
</div>
</body>
</html>参考文章：https://cloud.tencent.com/developer/article/1116498