Checks if a user has access to a particular text format.
$format: An object representing the text format.
$account: (optional) The user account to check access for; if omitted, the currently logged-in user is used. Defaults to NULL.
Boolean TRUE if the user is allowed to access the given format.
function filter_access($format, $account = NULL) {
global $user;
if (!isset($account)) {
$account = $user;
}
// Handle special cases up front. All users have access to the fallback
// format.
if ($format->format == filter_fallback_format()) {
return TRUE;
}
// Check the permission if one exists; otherwise, we have a non-existent
// format so we return FALSE.
$permission = filter_permission_name($format);
return !empty($permission) && user_access($permission, $account);
}