php 단순 페이지 클래스 구현 방법

class PageModel {  

    /** 

     *        

     * @param unknown $page       

     * @param unknown $goodsCount      

     * @param unknown $pageLength           

     */  

    public static function getPageArr($page, $goodsCount, $pageCountLength, $pageLength) {  

        //      

        $allPageCount = ceil($goodsCount / $pageLength);  

       //          ，             

       if ($allPageCount <= $pageCountLength) {  

           $allPageCount = ceil($goodsCount / $pageLength);  

       }  

        //           

        if ($allPageCount <= $pageCountLength) {  

            for ($i = 0; $i < $allPageCount; $i ++) {  

                $arr[] = array('page' => $i + 1);  

            }  

            return $arr;  

        }  

        //       

        $halfLength = floor($pageCountLength / 2);  

        //    ，       ，    

        if ($page <= $halfLength) {  

            $arr = array();  

            for ($i = 0; $i < $pageCountLength; $i ++) {  

                $arr[] = array('page' => $i + 1);  

            }  

            return $arr;  

        }  

        //  ，     ，          

        if ($page > $allPageCount - floor($pageCountLength / 2)) {  

            for ($i = -$pageCountLength; $i < 0; $i ++) {  

                $arr[] = array('page' => $allPageCount + $i + 1);  

            }  

            return $arr;  

        }  

        //    ，         

        for ($i = -$halfLength; $i < $pageCountLength - $halfLength; $i ++) {  

            $arr[] = array('page' => $page + $i);  

        }

        return $arr;

    }

}