function masquerade_init in Masquerade 6

Same name and namespace in other branches

1. 5 masquerade.module \masquerade_init()
2. 7 masquerade.module \masquerade_init()

Implementation of hook_init().

File

./masquerade.module, line 33

masquerade.module

Code

function masquerade_init() {
  global $user;

  // Try to load masqing uid from masquerade table.
  $uid = db_result(db_query("SELECT uid_from FROM {masquerade} WHERE sid = '%s' AND uid_as = %d", session_id(), $user->uid));

  // We are using identical operator (===) instead of equal (==) because if
  // $uid === 0 we want to store the session variable. If there's no record in
  // masquerade table we clear the session variable.
  if ($uid === FALSE) {
    if (isset($_SESSION)) {
      unset($_SESSION['masquerading']);
    }
  }
  else {
    $_SESSION['masquerading'] = $uid;
  }
}