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Editorial Team
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Asked: 2026-05-24T01:52:52+00:00

Consider: <form action="?login" method="post"> <button>Login with Google</button> </form> I usually see the action refer

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Consider:

<form action="?login" method="post">     <button>Login with Google</button> </form>

I usually see the action refer to a PHP or HTML file, but the "?login" stumps me.

Background information:

This is buried within the example-google.php file from lightopenid framework. I’ve been staring at the OpenID code to use Google as a third-party OpenID provider for user login on my web site and the sample code all works.

I am trying to get a clearer picture of what the framework is doing when the user presses the login button. I know that we must be sending a bunch of arguments to Google on this button action, but the ?login doesn’t seem to point anywhere.

http://gitorious.org/lightopenid

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1 Answer

  1. Editorial Team

    A question mark denotes the query string.

    It will post to the current URL with a query string parameter of login. I am not sure how you are processing the request after you click submit (post the form), but usually it would have a value assigned to it as in login=value.

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