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Array Pagination

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very easy to use pagination class, see website for comments

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  1. <?php
  2.  
  3.   /************************************************************\
  4.   *
  5.   *	  PHP Array Pagination Copyright 2007 - Derek Harvey
  6.   *	  www.lotsofcode.com
  7.   *
  8.   *	  This file is part of PHP Array Pagination .
  9.   *
  10.   *	  PHP Array Pagination is free software; you can redistribute it and/or modify
  11.   *	  it under the terms of the GNU General Public License as published by
  12.   *	  the Free Software Foundation; either version 2 of the License, or
  13.   *	  (at your option) any later version.
  14.   *
  15.   *	  PHP Array Pagination is distributed in the hope that it will be useful,
  16.   *	  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17.   *	  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
  18.   *	  GNU General Public License for more details.
  19.   *
  20.   *	  You should have received a copy of the GNU General Public License
  21.   *	  along with PHP Array Pagination ; if not, write to the Free Software
  22.   *	  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA	02111-1307	USA
  23.   *
  24.   \************************************************************/
  25.  
  26.   class pagination
  27.   {
  28.     var $page = 1; // Current Page
  29.     var $perPage = 10; // Items on each page, defaulted to 10
  30.     var $showFirstAndLast = false; // if you would like the first and last page options.
  31.  
  32.     function generate($array, $perPage = 10)
  33.     {
  34.       // Assign the items per page variable
  35.       if (!empty($perPage))
  36.         $this->perPage = $perPage;
  37.  
  38.       // Assign the page variable
  39.       if (!empty($_GET['page'])) {
  40.         $this->page = $_GET['page']; // using the get method
  41.       } else {
  42.         $this->page = 1; // if we don't have a page number then assume we are on the first page
  43.       }
  44.  
  45.       // Take the length of the array
  46.       $this->length = count($array);
  47.  
  48.       // Get the number of pages
  49.       $this->pages = ceil($this->length / $this->perPage);
  50.  
  51.       // Calculate the starting point 
  52.       $this->start  = ceil(($this->page - 1) * $this->perPage);
  53.  
  54.       // Return the part of the array we have requested
  55.       return array_slice($array, $this->start, $this->perPage);
  56.     }
  57.  
  58.     function links()
  59.     {
  60.       // Initiate the links array
  61.       $plinks = array();
  62.       $links = array();
  63.       $slinks = array();
  64.  
  65.       // Concatenate the get variables to add to the page numbering string
  66.       if (count($_GET)) {
  67.         $queryURL = '';
  68.         foreach ($_GET as $key => $value) {
  69.           if ($key != 'page') {
  70.             $queryURL .= '&'.$key.'='.$value;
  71.           }
  72.         }
  73.       }
  74.  
  75.       // If we have more then one pages
  76.       if (($this->pages) > 1)
  77.       {
  78.         // Assign the 'previous page' link into the array if we are not on the first page
  79.         if ($this->page != 1) {
  80.           if ($this->showFirstAndLast) {
  81.             $plinks[] = ' <a href="?page=1'.$queryURL.'">&laquo;&laquo; First </a> ';
  82.           }
  83.           $plinks[] = ' <a href="?page='.($this->page - 1).$queryURL.'">&laquo; Prev</a> ';
  84.         }
  85.  
  86.         // Assign all the page numbers & links to the array
  87.         for ($j = 1; $j < ($this->pages + 1); $j++) {
  88.           if ($this->page == $j) {
  89.             $links[] = ' <a class="selected">'.$j.'</a> '; // If we are on the same page as the current item
  90.           } else {
  91.             $links[] = ' <a href="?page='.$j.$queryURL.'">'.$j.'</a> '; // add the link to the array
  92.           }
  93.         }
  94.  
  95.         // Assign the 'next page' if we are not on the last page
  96.         if ($this->page < $this->pages) {
  97.           $slinks[] = ' <a href="?page='.($this->page + 1).$queryURL.'"> Next &raquo; </a> ';
  98.           if ($this->showFirstAndLast) {
  99.             $slinks[] = ' <a href="?page='.($this->pages).$queryURL.'"> Last &raquo;&raquo; </a> ';
  100.           }
  101.         }
  102.  
  103.         // Push the array into a string using any some glue
  104.         return implode(' ', $plinks).implode($this->implodeBy, $links).implode(' ', $slinks);
  105.       }
  106.       return;
  107.     }
  108.   }
  109. ?>
  110.  
  111. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
  112. <html>
  113.   <head>
  114.   <meta http-equiv="content-type" content="text/html; charset=windows-1250">
  115.   <title>PHP Array Pagination</title>
  116.   <style>
  117.   <!--
  118.    body {
  119.     font-family: Tahoma, Verdana, Arial, Sans-serif;
  120.     font-size: 11px;
  121.    }
  122.    hr {
  123.     border: 1px #ccc;
  124.     border-style: none none solid none;
  125.     margin: 20px 0;
  126.    }
  127.    a {
  128.     color: #333;
  129.     text-decoration: none;
  130.    }
  131.    a:hover {
  132.     text-decoration: underline;
  133.    }
  134.    a.selected {
  135.     font-weight: bold;
  136.     text-decoration: underline;
  137.    }
  138.    .numbers {
  139.     line-height: 20px;
  140.     word-spacing: 4px;
  141.    }
  142.   //-->
  143.   </style>
  144.   </head>
  145.   <body>
  146.     <h1>PHP Array Pagination</h1>
  147.     <hr  />
  148.       <?php
  149.         // Include the pagination class
  150.         include 'pagination.class.php';
  151.         // Create the pagination object
  152.         $pagination = new pagination;
  153.  
  154.         // some example data
  155.         foreach (range(1, 100) as $value) {
  156.           $products[] = array(
  157.             'Product' => 'Product '.$value,
  158.             'Price' => rand(100, 1000),
  159.           );
  160.         }
  161.  
  162.         // If we have an array with items
  163.         if (count($products)) {
  164.           // Parse through the pagination class
  165.           $productPages = $pagination->generate($products, 10);
  166.           // If we have items 
  167.           if (count($productPages) != 0) {
  168.             // Create the page numbers
  169.             echo $pageNumbers = '<div class="numbers">'.$pagination->links().'</div>';
  170.             // Loop through all the items in the array
  171.             foreach ($productPages as $productArray) {
  172.               // Show the information about the item
  173.               echo '<p><b>'.$productArray['Product'].'</b> &nbsp; &pound;'.$productArray['Price'].'</p>';
  174.             }
  175.             // print out the page numbers beneath the results
  176.             echo $pageNumbers;
  177.           }
  178.         }
  179.       ?>
  180.       <hr />
  181.       <p><a href="http://www.lotsofcode.com/php/projects/php-array-pagination" target="_blank">PHP Array Pagination</a> provided by <a href="http://www.lotsofcode.com/" target="_blank">Lots of Code</a></p>
  182.   </body>
  183. </html>

URL: http://www.lotsofcode.com/php/php-array-pagination.htm

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