function drupal_hash_base64

Calculates a base-64 encoded, URL-safe sha-256 hash.

Parameters

$data: String to be hashed.

Return value

A base-64 encoded sha-256 hash, with + replaced with -, / with _ and any = padding characters removed.

20 calls to drupal_hash_base64()

File

drupal/core/includes/bootstrap.inc, line 1998
Functions that need to be loaded on every Drupal request.

Code

function drupal_hash_base64($data) {
  $hash = base64_encode(hash('sha256', $data, TRUE));

  // Modify the hash so it's safe to use in URLs.
  return strtr($hash, array(
    '+' => '-',
    '/' => '_',
    '=' => '',
  ));
}