CODEWITHSUNDEEP
perlcookieswebcgi
JD.
JD.

Reputation: 2487

How to save a cookie after the header has been sent in Perl CGI?

I know you send a cookie to a user's browser via the HTTP header, but how do you do this after the header has been sent. For example you set a value in a form you want to grant session wide scope to.

Thanks!

Upvotes: 2

Views: 534

Answers (2)

brian d foy
brian d foy

Reputation: 132896

If you want to set a cookie after you've already sent a response header, you have to make the client load something else that can set the cookie. This might be through an Ajax response, an image link, or something else. You might fire this off automatically or ask the user to update something.

Upvotes: 2

Quentin
Quentin

Reputation: 944171

You can't. Cookies are only set in the header. HTTP provides no way to set them elsewhere.

If you want to set a cookie based on form data, then you do it in the response to the form submission request.

If you want to use data both for generating a cookie and generating a form, then get that data into a variable before you send the header and use it in both locations.

(You could generate JavaScript to set the cookie in the HTML body … but that would be unnecessarily complex and unreliable).

Upvotes: 3

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