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php paging sections

rossh1977
rossh1977 asked
on
5 Comments
1 Solution
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Last Modified: 2008-02-26
Hi i'm trying to split the pages by section insted of by $no_of_records = 5;

The sections are taken from the foriegn key.  I want to be able to count the number of records which hold a specific forigen key and display on one page and then the next.

Thanks

Ross

<?php
      require("c:\Inetpub\wwwroot\mysql_connect.php");
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html>

<head>

<title></title>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<?php
      if (isset ($_GET['page']))
      {
            $page = $_GET['page'];
      }
      else
      {
            $page = 1;
      }
      
      //count sections
      
      $records_to_display = 5;
      $sql_paging = "SELECT COUNT(*) AS numRecords FROM question";
      $newArray = mysql_query($sql_paging, $db) or die(mysql_error());
      $records = mysql_fetch_array($newArray);
      
      $recordsNum = $records['numRecords'];
      $remainder =  $recordsNum%$records_to_display;
      $recordsNum = $recordsNum - $remainder;
      $pages = $recordsNum/$records_to_display;
      
      if ($remainder>0)
      {
            $pages++;
      }
      
      if ($page>$pages)
      {
            $page = 1;
      }
      
      $query = 'SELECT question_type.question_type, question_group.question_group, question_id, question, question_order FROM question
      LEFT JOIN question_group ON question.ID_question_group = question_group.question_group_id
      LEFT JOIN question_type ON question.ID_question_type = question_type.question_type_id
      ORDER BY question_group_order ASC, question_order ASC';
      
      function newGroup($myresource)
      {
            print "<h1>".$myresource->question_group."</h1>";
      }
      $previous_group = -1;
      $my_query_result = mysql_query ($query, $db);
      
      if ($page>1)
      {
            for ($i=1; $i<$page; $i++)
            {
                  for($j=0; $j<$records_to_display; $j++)
                  {
                        $myresource = mysql_fetch_object($my_query_result);
                  }
            }
      }
      
      $no = 0;
?>

</head>

<body>

<?php
      while ($myresource = mysql_fetch_object($my_query_result))
      {
            if ($myresource->question_group != $previous_group)
            {
                  newGroup($myresource);
                  $previous_group = $myresource->question_group;
            }
            
            print $myresource->question_order.", ";
            print $myresource->question."<br/>";
            
            $no++;
            
            if ($no==$records_to_display)
            {
                  break;
            }
      }
      
      mysql_close($db);
?>

<?php
      if ($page<2)
      {
            print("<p>&lt;&lt;");
      }
      else
      {
            print("<p><a href='".$_SERVER['PHP_SELF']."?page=".($page-1)."'>&lt;&lt;</a>");
      }
      
      for ($i=1; $i<=$pages; $i++)
      {
            if ($i==$page)
            {
                  print ("&nbsp;<a href='".$_SERVER['PHP_SELF']."?page=".($i)."'><b>".$i."</b></a>");
            }
            else
            {
                  print ("&nbsp;<a href='".$_SERVER['PHP_SELF']."?page=".($i)."'>".$i."</a>");
            }
      }
      
      if ($page>=$pages)
      {
            print "&nbsp;&gt;&gt;<p>";
      }
      else
      {
            print"&nbsp;<a href='".$_SERVER['PHP_SELF']."?page=".($page+1)."'>&gt;&gt;</a><p>";
      }
?>

</body>

</html>
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