function notemptyfield($value, $name) {
        global $USER;

        $names = explode('_', $name);
        if ($names[2] == 'file') {
            $usercontext = context_user::instance($USER->id);
            $fs = get_file_storage();
            $files = $fs->get_area_files($usercontext->id, 'user', 'draft', $value);
            return count($files) >= 2;
        }
        return false;
    }
function notemptyfield($value, $name) {
        global $USER;

        $names = explode('_', $name);
        if ($names[2] == 'file') {
            $usercontext = context_user::instance($USER->id);
            $fs = get_file_storage();
            $files = $fs->get_area_files($usercontext->id, 'user', 'draft', $value);
            return count($files) >= 2;
        }
        return false;
    }
function notemptyfield ( $ value , $ name ) { global $ USER ; $ names = explode ( '_' , $ name ) ; if ( $ names [ 2 ] == 'file' ) { $ usercontext = context_user :: instance ( $ USER -> id ) ; $ fs = get_file_storage ( ) ; $ files = $ fs -> get_area_files ( $ usercontext -> id , 'user' , 'draft' , $ value ) ; return count ( $ files ) >= 2 ; } return false ; }
Custom notempty function

@param string $value
@param string $name
@return bool
Custom notempty function