*/
private static $_singleton = NULL;
- private $backups = array();
+ private $backups = [];
/**
* Get or set the single instance of CRM_Utils_GlobalStack.
*
* @return CRM_Utils_GlobalStack
*/
- static public function singleton() {
+ public static function singleton() {
if (self::$_singleton === NULL) {
self::$_singleton = new CRM_Utils_GlobalStack();
}
* frame
*/
public function createBackup($new) {
- $frame = array();
+ $frame = [];
foreach ($new as $globalKey => $values) {
if (is_array($values)) {
foreach ($values as $key => $value) {