Simple, convenient, and fully functional php paging class

Paging code & lt ;? PhpclassSubPages {private $ each_disNums; // Number of items displayed on each page private $ nums; // total number of items private $ current_page; // the currently selected page private $ sub_pages; // The number of pages displayed each time is private $... "Paging code Each_disNums = intval ($ each_disNums); $ this-> nums = intval ($ nums); if (! $ Current_page) {$ this-> current_page = 1;} else {$ this-> current_page = intval ($ current_page);} $ this-> sub_pages = intval ($ sub_pages ); $ this-> pageNums = ceil ($ nums/$ each_disNums); $ this-> subPage_link = $ subPage_link; $ this-> show_SubPages ($ subPage_type ); // echo $ this-> pageNums. "--". $ this-> sub_pages;}/* _ destruct destructor, called when the class is not in use and used to release resources. */Function _ destruct () {unset ($ each_disNums); unset ($ nums); unset ($ current_page); unset ($ sub_pages); unset ($ pageNums ); unset ($ page_array); unset ($ subPage_link); unset ($ subPage_type);}/* show_SubPages function is used in the constructor. And used to determine what the page looks like */function show_SubPages ($ subPage_type) {if ($ subPage_type = 1) {$ this-> subPageCss1 ();} elseif ($ subPage_type = 2) {$ this-> subPageCss2 () ;}/ * is used to initialize a paging array. */Function initArray () {for ($ I = 0; $ I <$ this-> sub_pages; $ I ++) {$ this-> page_array [$ I] = $ I;} return $ this-> page_array;}/* construct_num_Page this function is used to construct display entries even if: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] */function construct_num_Page () {if ($ this-> pageNums <$ this-> sub_pages) {$ current_array = array (); for ($ I = 0; $ I <$ this-> pageNums; $ I ++) {$ current_array [$ I] = $ I + 1 ;}} else {$ current_array = $ this-> initArray (); if ($ this-> current_page <= 3) {for ($ I = 0; $ I Current_page <= $ this-> pageNums & $ this-> current_page> $ this-> pageNums-$ this-> sub_pages + 1) {for ($ I = 0; $ I PageNums)-($ this-> sub_pages) + 1 + $ I ;}} else {for ($ I = 0; $ I Current_page-2 + $ I ;}}return $ current_array;}/* construct a total of 4523 records for normal mode pagination, 10 records per page, current page 1/453 [Homepage] [Previous Page] [Next Page] [last Page] */function subPageCss1 () {$ subPageCss1Str = ""; $ subPageCss1Str. = "total ". $ this-> nums. "record,"; $ subPageCss1Str. = "display on each page ". $ this-> each_disNums. ","; $ subPageCss1Str. = "current number ". $ this-> current_page. "/". $ this-> pageNums. "page"; if ($ this-> current_page> 1) {$ firstPageUrl = $ this-> subPage_link. "1"; $ prewPageUrl = $ this-> subPage_link. ($ this-> current_page-1); $ subPageCss1Str. = "[Homepage]"; $ subPageCss1Str. = "[previous page]";} else {$ subPageCss1Str. = "[Homepage]"; $ subPageCss1Str. = "[previous page]";} if ($ this-> current_page <$ this-> pageNums) {$ lastPageUrl = $ this-> subPage_link. $ this-> pageNums; $ nextPageUrl = $ this-> subPage_link. ($ this-> current_page + 1); $ subPageCss1Str. = "[Next Page]"; $ subPageCss1Str. = "[last page]";} else {$ subPageCss1Str. = "[Next Page]"; $ subPageCss1Str. = "[last page]";} echo $ subPageCss1Str ;} /* create a page in the classic mode. Current page 1/453 [Homepage] [Previous Page] 1 2 3 4 5 6 7 8 9 10 [Next Page] [last Page] */function subPageCss2 () {$ subPageCss2Str = ""; $ subPageCss2Str. = "current number ". $ this-> current_page. "/". $ this-> pageNums. "page"; if ($ this-> current_page> 1) {$ firstPageUrl = $ this-> subPage_link. "1"; $ prewPageUrl = $ this-> subPage_link. ($ this-> current_page-1); $ subPageCss2Str. = "[Homepage]"; $ subPageCss2Str. = "[previous page]";} else {$ subPageCss2Str. = "[Homepage]"; $ subPageCss2Str. = "[previous page]" ;}$ a = $ this-> construct_num_Page (); for ($ I = 0; $ I Current_page) {$ subPageCss2Str. = "[". $ s. "]";} else {$ url = $ this-> subPage_link. $ s; $ subPageCss2Str. = "[". $ s. "]" ;}} if ($ this-> current_page <$ this-> pageNums) {$ lastPageUrl = $ this-> subPage_link. $ this-> pageNums; $ nextPageUrl = $ this-> subPage_link. ($ this-> current_page + 1); $ subPageCss2Str. = "[Next Page]"; $ subPageCss2Str. = "[last page]";} else {$ subPageCss2Str. = "[Next Page]"; $ subPageCss2Str. = "[last page]";} echo $ subPageCss2St R ;}}?> Demo code: