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POMarking memos as read
 

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    <p>I am putting together a site that handles H&amp;S memos, and I need members to confirm that they have read their memos. I have looked at ways of handling this and they are based on assuming that members have read the memos the last time they logged on. I can't use this method as I need to assure their company that their workers have read their safety memos.</p> <p>I have tried various ways of doing this but none are working well enough.</p> <p>The main problem is selecting the correct ID number for the memo that they have clicked that they have read and then updating the details to the <code>memo_read</code> table. Any pointers, workarounds or solutions much appreciated.</p> <p>This is what I have so far:</p> <pre><code>&lt;?php $user_id = $user_data['user_id'] ; $company_id = $user_data['company']; $nothing = ''; $result1 = mysql_query ("SELECT `user`, `memo_id` FROM`memo_read` WHERE `user`= '$user_id '") or die(mysql_error()); $memo_id_query = ''; while($row = mysql_fetch_array($result1)){ $memo_id_query .= " AND `id`!= '".$row['memo_id']."'"; } ?&gt; &lt;div id="memo"&gt; &lt;h7&gt;These are your unread memos!&lt;/h7&gt; &lt;table class="bit"&gt; &lt;thead&gt;&lt;tr&gt;&lt;th&gt;Title&lt;/th&gt;&lt;th&gt;Author&lt;/th&gt;&lt;th&gt;Time/Date&lt;/th&gt;&lt;th&gt;Memo&lt;/th&gt;&lt;/tr&gt;&lt;/thead&gt; &lt;?php $result = mysql_query ("SELECT `id`, `memos`, `author`, `time`, `title` FROM `memo` WHERE `worker`= 1 AND `company`='$company_id' ".$memo_id_query) or die(mysql_error()); while($row = mysql_fetch_array($result)) { $id = $row['id']; $memo = $row['memos']; $author = $row['author']; $time = $row['time']; $title = $row['title']; global $id; ?&gt; &lt;tbody&gt;&lt;tr&gt;&lt;td&gt;&lt;?php echo $title; ?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo $author; ?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo $time;?&gt;&lt;/td&gt; &lt;td id="mem"&gt;&lt;a class="toggle" href="#.bit" &gt;read/hide&lt;/a&gt; &lt;div class="hiddenDiv" &gt;&lt;?php echo $memo; ?&gt;&lt;br&gt; &lt;form id="tickmemo" action="" method="post"&gt; &lt;input type="submit" name="submit" value="mark as read"&gt; &lt;/form&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tbody&gt; &lt;?php } if (empty($_POST['submit']) === false) { $q=("INSERT INTO `memo_read` VALUES ('$nothing', '$user_id', '$id') "); $result = mysql_query($q) or die(mysql_error()); } ?&gt;&lt;/table&gt;&lt;/div&gt; </code></pre> <p>(edit) This is working great now i'll put it up here if anyone else needs it or if you can suggest any tweeks!</p> <pre><code>&lt;?php $user_id = $user_data['user_id'] ; $company_id = $user_data['company']; $nothing = ''; $result1 = mysql_query ("SELECT `user`, `memo_id` FROM`memo_read` WHERE `user`= '$user_id '") or die(mysql_error()); $memo_id_query = ''; while($row = mysql_fetch_array($result1)){ $memo_id_query .= " AND `id`!= '".$row['memo_id']."'"; } if (isset($_GET['success']) &amp;&amp; empty($_GET['success'])) { echo 'You have marked that memo as read!&lt;br&gt;We will send you back in 3 seconds!'; header("Refresh: 3; url=\"http://www.testbed1.tk/login/index.php\""); } else { ?&gt; &lt;div id="memo"&gt; &lt;h7&gt;These are your unread memos!&lt;/h7&gt; &lt;table class="bit"&gt; &lt;thead&gt;&lt;tr&gt;&lt;th&gt;Title&lt;/th&gt;&lt;th&gt;Author&lt;/th&gt;&lt;th&gt;Time/Date&lt;/th&gt;&lt;th&gt;Memo&lt;/th&gt;&lt;/tr&gt;&lt;/thead&gt; &lt;?php $result = mysql_query ("SELECT `id`, `memos`, `author`, `time`, `title` FROM `memo` WHERE `worker`= 1 AND `company`= '$company_id' ".$memo_id_query) or die(mysql_error()); while($row = mysql_fetch_array($result)) { $id = $row['id']; $memo = $row['memos']; $author = $row['author']; $time = $row['time']; $title = $row['title']; ?&gt; &lt;tbody&gt;&lt;tr&gt;&lt;td&gt;&lt;?php echo $title; ?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo $author; ?&gt;&lt;/td&gt; &lt;td&gt;&lt;?php echo $time;?&gt;&lt;/td&gt; &lt;td id="mem"&gt;&lt;a class="toggle" href="#.bit" &gt;read/hide&lt;/a&gt; &lt;div class="hiddenDiv" &gt;&lt;?php echo $memo; ?&gt;&lt;br&gt; &lt;form id="tickmemo" action="#" method="post"&gt; &lt;input type="hidden" name="id" value="&lt;?php echo $id;?&gt;" /&gt; &lt;input type="submit" name="submit" value="mark as read"&gt; &lt;/form&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tbody&gt; &lt;?php } $id = $_POST['id']; if (empty($_POST['id']) === false) { $q=("INSERT INTO `memo_read` VALUES (''".mysql_real_escape_string($nothing)."'','".mysql_real_escape_string($user_id)."','".mysql_real_escape_string($id)."') "); $result = mysql_query($q) or die(mysql_error()); header('Location: worker.php?success'); } ?&gt;&lt;/table&gt;&lt;/div&gt; &lt;?php } ?&gt; </code></pre>
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