php的超全局变量

1. $_GET $_POST $_REQUEST php的输入包括get,post,post文件上传 php code: $_REQUEST(get post 有同名的参数 则以post优先),$_GET ,$_POST $_SERVER $_SESSION $_COOKIE $_FILES 8. $GLOBALS $sb= ' zq ' ; test(); function test(){ var_dump($GLOBALS[ '

1. $_GET  $_POST  $_REQUEST

　　php的输入包括get,post,post文件上传

　　php code:  $_REQUEST(get & post 有同名的参数 则以post优先),$_GET ,$_POST   

$_SERVER

$_SESSION

$_COOKIE

$_FILES

8. $GLOBALS　

$sb=<span>'</span><span>zq</span><span>'</span><span>;
        test();
        function test(){
            var_dump($GLOBALS[</span><span>'</span><span>sb</span><span>'</span><span>]);
        }
        echo </span><span>'</span><span><hr></span><span>'</span><span>;
        $obj_zq </span>= <span>new</span><span> zq();
        $obj_zq</span>-><span>test();
        </span><span>class</span><span> zq{
            </span><span>public</span><span> function test(){
                var_dump($GLOBALS[</span><span>'</span><span>sb</span><span>'</span><span>]);
            }
        }</span>