PHP: Pass variable hidden to another website -


website b.com should send data a.com http://a.com/tracking_script.php?code=342284240&tracking_id=893459234.

however b.com should hidden. b.com tracking_id=893459234 visitor code=342284240 secure code owner of a.com , b.com know. because not should able call tracking_script.php

simply put: how send data b.com a.com without knowdledge of visitor? html post, ajax etc. not possible.

store code value in database table both sites can access, associate tracking id, , use tracking_id parameter in url.

http://a.com/tracking_script.php?tracking_id=893459234.

then within tracking_script.php query database find code associated tracking id.


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