截取当前域名的前缀.
迅睿框架 更新 2022-11-13 00:24:05
sky
sky
截取当前域名的前缀
<?php
$domain = $_SERVER['HTTP_HOST'];
if (strpos($domain, 'https://') > -1 || strpos($domain, 'http://') > -1) {
$arr1 = explode('//', $domain);
$domain = $arr1[1];
}
$arr2 = explode('.', $domain);
unset($arr2[count($arr2) - 1]);
unset($arr2[count($arr2) - 1]);
$sub_domain = implode('.', $arr2);
?>www.baidu.com 截取 www
1.2.baidu.com 截取1.2
