multiple php sessions - get variable from other session [duplicate]

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Multiple PHP Sessions

hi, i have a website that is managed by 开发者_如何学JAVAtwo CMSs (same host,same domain). Is there a way to retrieve the $_SESSION variable from CMS1 in CMS2? in short, i am trying to synchronise logins, but already failed in passing the variables :) cheers, mario

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Write to a file and then read the data from the file both different CMS running on different memory and having separate sessions can achieve this through a common database table access or file IO. I won't mind adding a value in a Cookie too.