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POUsing a PHP form to communicate checkbox information to a MySQL database
 

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    <p>I have a MySQL database with 3 tables:</p> <pre><code>**articles:** id - articletitle - articleorganization - articleurl - articledate **tags:** id - articletag articles_tags **id:** article_id - tag_id </code></pre> <p>On my form I have text input boxes to fill in the information for Title, Organization, URL, and Date and I have checkboxes to capture Tag information.</p> <p>This works very well but the problem comes when I need to edit an entry in the database. With that I have a similar form to the entry form but I can't get the checkboxes to work. After some research and much help from Stackoverflow contributors, I've learned that what I need is a different type of database structure (which is what I now have, I originally only had 1 table, now I have the 3 listed above).</p> <p>This leads me to redeveloping the entry form so now I am attempting to insert the Title, Organization, URL, and Date information into into the <strong>articles</strong> table and the Tag information into the <strong>tags</strong> table while also creating a relationship in the <strong>articles_tags</strong> table.</p> <p>So far I've been unsuccessful in this attempt. Here is what I've been working with so far:</p> <pre><code> &lt;?php function renderForm($articletitle, $articleorganization, $articledate, $articleurl, $articletags ) { ?&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt; &lt;head&gt; . . . &lt;/head&gt; &lt;body&gt; &lt;div class="container"&gt; &lt;div class="header"&gt; . . . &lt;/div&gt; &lt;div class="sidebar1"&gt; . . . &lt;/div&gt; &lt;div class="content"&gt; &lt;div id="stylized" class="myform"&gt; &lt;form id="form" name="form" action="" method="post"&gt; &lt;h1&gt;Create a new entry in the database&lt;/h1&gt; &lt;table width="100%" border="0" cellpadding="6"&gt; &lt;tr&gt; &lt;td colspan="2"&gt;&lt;legend&gt;Article details&lt;/legend&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td width="20%" align="right"&gt;&lt;span class="field"&gt;Article Title:&lt;/span&gt;&lt;/td&gt; &lt;td width="80%" align="left"&gt;&lt;span class="field"&gt; &lt;input name="articletitle" type="text" value="&lt;?php echo $articletitle; ?&gt;" size="50"/&gt; &lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td align="right"&gt;&lt;span class="field"&gt;Article Author:&lt;/span&gt;&lt;/td&gt; &lt;td align="left"&gt;&lt;span class="field"&gt; &lt;input name="articleorganization" type="text" value="&lt;?php echo $articleorganization; ?&gt;" size="50"/&gt; &lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td align="right"&gt;&lt;span class="field"&gt;Access Date:&lt;/span&gt;&lt;/td&gt; &lt;td align="left"&gt;&lt;span class="field"&gt; &lt;input name="articledate" type="text" value="MM/DD/YYYY" size="50"/&gt; &lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td align="right"&gt;&lt;span class="field"&gt;Article URL:&lt;/span&gt;&lt;/td&gt; &lt;td align="left"&gt;&lt;span class="field"&gt; &lt;input name="articleurl" type="text" value="&lt;?php echo $articleurl; ?&gt;" size="50"/&gt; &lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td align="right"&gt;&lt;span class="field"&gt;Article Tags:&lt;/span&gt;&lt;/td&gt; &lt;td align="left"&gt;&lt;span class="field"&gt; &lt;input type="checkbox" name="articletags[]" value="geology" id="articletags_0" /&gt; &lt;input type="checkbox" name="articletags[]" value="astronomy" id="articletags_1" /&gt; &lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;footer&gt;&lt;input type="submit" name="submit" value="Add this Article"&gt;&lt;/footer&gt; &lt;/form&gt; &lt;/div&gt; &lt;div class="footer"&gt; . . . &lt;/div&gt; &lt;/body&gt; &lt;/html&gt; &lt;?php } include('settings.php'); if(count($articletags) &gt; 0) { $articletags_string = implode(",", $articletags); } if($_SERVER['REQUEST_METHOD'] == 'POST') { $articletitle = mysql_real_escape_string(htmlspecialchars($_POST['articletitle'])); $articleorganization = mysql_real_escape_string(htmlspecialchars($_POST['articleorganization'])); $articledate = mysql_real_escape_string(htmlspecialchars($_POST['articledate'])); $articleurl = mysql_real_escape_string(htmlspecialchars($_POST['articleurl'])); $articletags = implode(',', $_POST['articletags']); mysql_query("INSERT articles SET articletitle='$articletitle', articleorganization='$articleorganization', articledate='$articledate', articleurl='$articleurl', articletags='$articletags' ") mysql_query2("INSERT tags SET articletags='$articletags' ") header("Location:addsuccess.php"); } } else { renderForm('','','','',''); } ?&gt; </code></pre>
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