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function user_uid_optional_to_arg in Drupal 6

Same name and namespace in other branches
  1. 7 modules/user/user.module \user_uid_optional_to_arg()

Returns the user id of the currently logged in user.

File

modules/user/user.module, line 1226
Enables the user registration and login system.

Code

function user_uid_optional_to_arg($arg) {

  // Give back the current user uid when called from eg. tracker, aka.
  // with an empty arg. Also use the current user uid when called from
  // the menu with a % for the current account link.
  return empty($arg) || $arg == '%' ? $GLOBALS['user']->uid : $arg;
}