第一种:
((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')) ? 'https://' : 'http://';
第二种:通过端口获取
((int)$_SERVER['SERVER_PORT'] == 443 ? 'https' : 'http') . '://';
友情提示:
请谨慎使用 $_SERVER['REQUEST_SCHEME'] 来获取当前url访问协议
$_SERVER['REQUEST_SCHEME']只在部分环境里被支持
详情请参考:https://www.php.net/manual/en/reserved.variables.server.php
请谨慎使用 $_SERVER['REQUEST_SCHEME'] 来获取当前url访问协议
$_SERVER['REQUEST_SCHEME']只在部分环境里被支持
详情请参考:https://www.php.net/manual/en/reserved.variables.server.php