framework/data/Pagination.php
public function getPageSize()
    {
        if ($this->_pageSize === null) {
            if (empty($this->pageSizeLimit)) {
                $pageSize = $this->defaultPageSize;
                $this->setPageSize($pageSize);
            } else {
                $pageSize = (int) $this->getQueryParam($this->pageSizeParam, $this->defaultPageSize);
                $this->setPageSize($pageSize, true);
            }
        }

        return $this->_pageSize;
    }
public function getPageSize()
    {
        if ($this->_pageSize === null) {
            if (empty($this->pageSizeLimit)) {
                $pageSize = $this->defaultPageSize;
                $this->setPageSize($pageSize);
            } else {
                $pageSize = (int) $this->getQueryParam($this->pageSizeParam, $this->defaultPageSize);
                $this->setPageSize($pageSize, true);
            }
        }

        return $this->_pageSize;
    }
public function getPageSize ( ) { if ( $ this -> _pageSize === null ) { if ( empty ( $ this -> pageSizeLimit ) ) { $ pageSize = $ this -> defaultPageSize ; $ this -> setPageSize ( $ pageSize ) ; } else { $ pageSize = ( int ) $ this -> getQueryParam ( $ this -> pageSizeParam , $ this -> defaultPageSize ) ; $ this -> setPageSize ( $ pageSize , true ) ; } } return $ this -> _pageSize ; }
Returns the number of items per page.
By default, this method will try to determine the page size by [[pageSizeParam]] in [[params]].
If the page size cannot be determined this way, [[defaultPageSize]] will be returned.
@return int the number of items per page. If it is less than 1, it means the page size is infinite,
and thus a single page contains all items.
@see pageSizeLimit
Returns the number of items per page . By default this method will try to determine the page size by [[ pageSizeParam ]] in [[ params ]] . If the page size cannot be determined this way [[ defaultPageSize ]] will be returned .