Is it possible to send POST data with a PHP redirect?

Question

Update: This is NOT a duplicate of How do I send a POST request with PHP?. The solutions there don\'t work for me, they just output the result of the request, I don\'t w

Answer 1

Long story short: no, it's not possibile using PHP.

One way I can think of doing this is to output the new form output as hidden fields along with javascript to auto-submit the form ...

It's the only way to do it.

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The question is a possible duplicate of PHP Redirect with POST data.

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As a suicide solution, you may consider to use HTTP 307 - Temporary Redirect.
From the HTTP/1.1 documentation linked above:

If the 307 status code is received in response to a request other than GET or HEAD, the user agent MUST NOT automatically redirect the request unless it can be confirmed by the user, since this might change the conditions under which the request was issued.

My bold simply emphasizes that the redirect without the user confirmation actually depends on the browser's implementation of the protocol.

The redirect can be implemented in the PHP script which receives the POST request as follows*:

header('HTTP/1.1 307 Temporary Redirect');
header('Location: ');

Basic usage Example:

page1.html - the page which contains the form

page2.php - the page which processes your POST data before redirect

page3.php the page to which the POST data has to be redirected (i.e. the external site)

$val)
        echo $key . ' = ' . $val . '
';

} else
    echo 'variable1 and variable2 are not set';

* _{don't try this at home!}