src/CanvasArray.php
protected function pageNumberToKey($pageNumber)
    {
        if (isset($this->pagination[CanvasPageLink::CURRENT])) {
            return ($pageNumber - 1) * $this->pagination[CanvasPageLink::CURRENT]->getPerPage();
        }
        return false;
    }
protected function pageNumberToKey($pageNumber)
    {
        if (isset($this->pagination[CanvasPageLink::CURRENT])) {
            return ($pageNumber - 1) * $this->pagination[CanvasPageLink::CURRENT]->getPerPage();
        }
        return false;
    }
protected function pageNumberToKey ( $ pageNumber ) { if ( isset ( $ this -> pagination [ CanvasPageLink :: CURRENT ] ) ) { return ( $ pageNumber - 1 ) * $ this -> pagination [ CanvasPageLink :: CURRENT ] -> getPerPage ( ) ; } return false ; }
Convert a page number to an array key

@param int $pageNumber 1-indexed page number

@return int|false
Convert a page number to an array key