notes.php

   1 <?php
   2   mysql_connect('localhost', 'dylan', 'password') or die(mysql_error());
   3   mysql_select_db('dylanstestserver') or die(mysql_error());
   4   $sql = "SELECT COUNT(*) FROM notes";
   5   $result = mysql_query($sql);
   6   $result = mysql_fetch_row($result);
   7   $number_of_notes = $result[0];
   8   $notes_per_page = 4;
   9   $total_number_of_pages = ceil($number_of_notes/$notes_per_page);
  10   if (isset($_GET['note'])) {
  11         $note = mysql_real_escape_string($_GET['note']);
  12     $sql = "SELECT title, date_posted, text
  13                  FROM notes WHERE url=\"$note\"";
  14     $result = mysql_query($sql) or die(mysql_error());
  15     while($note = mysql_fetch_array($result)) {
  16           echo "<div class=\"note\">";
  17           $title = $note['title'];
  18           $date_posted =  explode("-", $note['date_posted']);
  19           $year_posted = $date_posted[0];
  20           $month_posted = $date_posted[1];
  21           $day_posted = $date_posted[2];
  22       echo "<h2><span style=\"color:grey;\">$year_posted/$month_posted/$day_posted/</span>$title</h2>";
  23           echo $note['text'];
  24           echo "</div>";
  25         }
  26   } else {
  27     if (isset($_GET['page']) && is_numeric($_GET['page'])) {
  28       $page = (int) $_GET['page'];
  29     } else {
  30       $page = 1;
  31     }
  32     if ($page < 1) {
  33       $page = 1;
  34     } else if ($page > $total_number_of_pages) {
  35       $page = $total_number_of_pages;
  36     }
  37     $page_offset = ($page - 1) * $notes_per_page;
  38     $notes = mysql_query("SELECT title, date_posted, text, url
  39                             FROM notes ORDER BY date_posted DESC
  40                                                     LIMIT $page_offset, $notes_per_page");
  41     while($note = mysql_fetch_array($notes)) {
  42           echo "<div class=\"note\">";
  43           $title = $note['title'];
  44           $date_posted =  explode("-", $note['date_posted']);
  45           $year_posted = $date_posted[0];
  46           $month_posted = $date_posted[1];
  47           $day_posted = $date_posted[2];
  48           $url = $note['url'];
  49       echo "<h2><span style=\"color:grey;\">$year_posted/$month_posted/$day_posted/</span><a href=\"note/$url\">$title</a></h2>";
  50           echo $note['text'];
  51           echo "</div>";
  52     }
  53     echo "<h2>";
  54     if($page != 1){
  55           if(!$page == 2 && $total_number_of_pages == 2)
  56       echo "<a href=\"{$_SERVER['PHP_SELF']}/page/1\">first</a> / ";
  57       $previous_page = $page - 1;
  58       echo "<a href=\"notes/page/$previous_page\">prev</a>";
  59     }
  60     if($page < $total_number_of_pages) {
  61       $forward_page = $page + 1;
  62       echo "<a href=\"notes/page/$forward_page\">next</a>";
  63     }
  64     if($page != $total_number_of_pages && (!$page == 1 && $total_number_of_pages == 2)){
  65       echo " / <a href=\"notes/page/$total_number_of_pages\">last</a>";
  66     }
  67     echo "</h2>";
  68   }
  69 ?>