private function getControlStructureTokens()
    {
        static $tokens = null;

        if (null === $tokens) {
            $tokens = [
                T_IF,
                T_ELSEIF,
                T_FOR,
                T_FOREACH,
                T_WHILE,
                T_DO,
                T_CATCH,
                T_SWITCH,
                T_DECLARE,
            ];
        }

        return $tokens;
    }
private function getControlStructureTokens()
    {
        static $tokens = null;

        if (null === $tokens) {
            $tokens = [
                T_IF,
                T_ELSEIF,
                T_FOR,
                T_FOREACH,
                T_WHILE,
                T_DO,
                T_CATCH,
                T_SWITCH,
                T_DECLARE,
            ];
        }

        return $tokens;
    }
private function getControlStructureTokens ( ) { static $ tokens = null ; if ( null === $ tokens ) { $ tokens = [ T_IF , T_ELSEIF , T_FOR , T_FOREACH , T_WHILE , T_DO , T_CATCH , T_SWITCH , T_DECLARE , ] ; } return $ tokens ; }
Gets the name of control structure tokens.

@staticvar string[] $tokens Token names.

@return string[] Token names.
Gets the name of control structure tokens .