PHP_INI_SYSTEM in PHP 5. Available since PHP 5.2.0.
默认状态是关闭的。在php.ini 修改为; ;Whether to allow include/require to open URLs
(like http:// or ftp://) as files. ; http://php.net/allow-url-include allow_url_include
= on
a.php: <?php $data =
include 'http://www.domain.com/b.php';
var_dump($data); ?>