function drupal_get_private_key

drupal_get_private_key()

Ensures the private key variable used to generate tokens is set.

Return value

The private key.

File

includes/common.inc, line 5176

Common functions that many Drupal modules will need to reference.

Code

function drupal_get_private_key() {
  if (!($key = variable_get('drupal_private_key', 0))) {
    $key = drupal_random_key();
    variable_set('drupal_private_key', $key);
  }
  return $key;
}