$user_agent = $_SERVER [ 'HTTP_USER_AGENT' ]; |
if ( strpos ( $user_agent , 'MicroMessenger' ) === false) { |
// 非微信浏览器禁止浏览 |
echo "HTTP/1.1 401 Unauthorized" ; |
} else { |
// 微信浏览器,允许访问 |
echo "MicroMessenger" ; |
// 获取版本号 |
preg_match( '/.*?(MicroMessenger\/([0-9.]+))\s*/' , $user_agent , $matches ); |
echo '<br>Version:' . $matches [2]; |
} |