drupal - What could cause $user to change while logged in? -

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i seeing weird bug after logging in user "foo" username in logged in block shows "bar" i.e. $user object has somehow switched foo bar.

i've checked custom modules , theme make sure there no voodoo going on when use global $user; no leads.

also placed additional watchdog messages inside user_authenticate , user_authenticate_finalize user object seems behaving.

how else can track error down?

a user switch can happen simple code : global $user; $some_user = user_load('uid' => some_uid); $user = $some_user;

perhaps can try looking @ assignments last 1 or uses of global $user


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