init(); } public static function GetInstance() { if ( !isset($GLOBALS['_DATTR_HELP_']) ) { $GLOBALS['_DATTR_HELP_'] = new DATTR_HELP(); } return $GLOBALS['_DATTR_HELP_']; } public function GetItem($label) { if (isset($this->db[$label])) { return $this->db[$label]; } return null; } public function GetEditTip($labels) { $tips = []; foreach ($labels as $label) { if (isset($this->edb[$label])) { $tips = array_merge($tips, $this->edb[$label]); } } return $tips; } private function init() { // add other customized items here include 'DATTR_HELP_inc.php'; } }