A simple and useful php paging class

A simple and useful php paging class. For more information, see.

A simple and useful php paging class. For more information, see.

The Code is as follows:

Class Page {
// Number of pages displayed on each page in the pagination bar
Public $ rollPage = 6;
// Parameters to be included during page redirect
Public $ parameter;
// The number of lines per page in the default list
Public $ listRows = 20;
// Start row
Public $ firstRow;
// Total number of pages
Protected $ totalPages;
// Total number of rows
Protected $ totalRows;
// Current page number
Protected $ nowPage;
// The total number of pages in the paging Column
Protected $ coolPages;
// Custom display by PAGE
Protected $ config = array (
'Redirect' => false,
'Header' => 'record ',
'Prev' => 'previous page ',
'Next' => 'Next page ',
'First' => '1 ',
'Last' => 'last page ',
'Theme '=>'

% UpPage % first % prePage % linkPage % nextPage % downPage %

% TotalPage % page' in total ');
// Default paging variable name
Protected $ varPage;

/**
+ ----------------------------------------------------------
* Architecture functions
+ ----------------------------------------------------------
* @ Access public
+ ----------------------------------------------------------
* @ Param array $ total number of totalRows records
* @ Param array $ number of records displayed on each page of listRows
* @ Param array $ parameters for paging jump
+ ----------------------------------------------------------
*/
Public function _ construct ($ totalRows, $ listRows = '', $ parameter = ''){
$ This-> totalRows = $ totalRows;
$ This-> parameter = $ parameter;
$ This-> varPage = C ('var _ page ')? C ('var _ page'): 'P ';
If (! Empty ($ listRows )){
$ This-> listRows = intval ($ listRows );
}
$ This-> totalPages = ceil ($ this-> totalRows/$ this-> listRows); // total number of pages
$ This-> coolPages = ceil ($ this-> totalPages/$ this-> rollPage );
// $ _ GET verification
$ This-> nowPage = intval ($ _ GET [$ this-> varPage]);
$ This-> nowPage = $ this-> nowPage> 0? $ This-> nowPage: 1;

If (! Empty ($ this-> totalPages) & $ this-> nowPage> $ this-> totalPages ){
$ This-> nowPage = $ this-> totalPages;
}
$ This-> firstRow = $ this-> listRows * ($ this-> nowPage-1 );
}

Public function setConfig ($ name, $ value ){
If (isset ($ this-> config [$ name]) {
$ This-> config [$ name] = $ value;
}
}

/**
+ ----------------------------------------------------------
* Display output by PAGE
+ ----------------------------------------------------------
* @ Access public
+ ----------------------------------------------------------
*/
Public function show (){

If (0 = $ this-> totalRows) return '';

// Processing Parameters
$ P = $ this-> varPage;
$ Url = $ _ SERVER ['request _ URI ']. (strpos ($ _ SERVER ['request _ URI'], '? ')? '':"? "). $ This-> parameter;
$ Parse = parse_url ($ url );
If (isset ($ parse ['query']) {
Parse_str ($ parse ['query'], $ params );
Unset ($ params [$ p]);
$ Url = $ parse ['path']. '? '. Http_build_query ($ params );
}

/* Paging logic */

// When the total number is smaller than the displayed page number
If ($ this-> totalPages <= $ this-> rollPage ){
$ Start = 1;
$ End = $ this-> totalPages;
}
Else {
//
If ($ this-> nowPage <= $ this-> rollPage-1 ){
$ Start = 1;
$ End = $ this-> rollPage;

$ Islast = true;
}
Else if ($ this-> nowPage> $ this-> totalPages-$ this-> rollPage + 1 ){
$ Start = $ this-> totalPages-($ this-> rollPage-1 );
$ End = $ this-> totalPages;

$ Isfirst = true;
}
Else {
// Floating number
$ Size = floor ($ this-> rollPage/2 );

$ Start = $ this-> nowPage-$ size;
$ End = $ this-> nowPage + $ size;

$ Isfirst = true;
$ Islast = true;
}
}

// Flip string
$ UpRow = $ this-> nowPage-1;
$ DownRow = $ this-> nowPage + 1;


/* Assemble HTML */

// <1 ...... last>
If ($ isfirst ){
$ TheFirst = "". $ this-> config ['first']. "";
}
If ($ islast ){
$ TheEnd = "totalPages '>". $ this-> config ['last']. "";
}

If ($ upRow> 0 ){
$ UpPage = "". $ this-> config ['prev']. "";
}

If ($ downRow <= $ this-> totalPages ){
$ DownPage = "". $ this-> config ['Next']. "";
}

If ($ start = 3 ){
$ LinkPage. = "2 ";
}
If ($ start> = 4 ){
$ LinkPage. = "2 ...";
}
// 1 2 3 4 5
For ($ I = $ start; $ I <= $ end; $ I ++ ){
If ($ I! = $ This-> nowPage ){
$ LinkPage. = "". $ I ."";
} Else {
$ LinkPage. = "". $ I ."";
}
If ($ I = $ end ){
If ($ I <$ this-> totalRows ){
$ LinkPage. = "...";
}
}
}

$ PageStr = str_replace (
Array ('% header %', '% nowPage %', '% totalRow %', '% totalPage %', '% upPage %', '% first % ', '% prePage %', '% linkPage %', '% nextPage %', '% downPage %', '% end % '),
Array ($ this-> config ['head'], $ this-> nowPage, $ this-> totalRows, $ this-> totalPages, $ upPage, $ theFirst, $ prePage, $ linkPage, $ nextPage, $ downPage, $ theEnd), $ this-> config ['Theme ']);

// Display mode normal false with jump ture
If (! Empty ($ this-> config ['redirect']) {
$ Html = $ pageStr;

} Else {
// PASS Parameters
If ($ this-> totalPages> 1 ){
$ Redirect ="

';
} Else {
$ Redirect = $ redirect .'

';
}
}
// Generate an Html string
$ Html = $ pageStr. $ redirect;
}
Return $ html;
}

}

,