menu with submenu using mysql - php

Question

Hello I just a little but help.
What I am trying to do is create a menu with a submenu by getting the data from 2 different mysql tables.
The issue I am having is the submenu will not display all results from the "Sub Category" database depending on what page I am on
Table 1: Category "ID, Name"
Table 2: Sub Category "ID, Name, Cparent, filename (Image for sub category)"
I have the following code:
<ul>
<?php
$catmenu_sql = 'select category.id AS catid, category.name AS catname, scategory.cparent AS scparent, scategory.name AS scname
from category
left join scategory on category.id = scategory.cparent
group by category.name'; // Select data from database
$result = mysql_query($catmenu_sql);
while($rows = mysql_fetch_array($result)) { ?>
<!-- Begin Category list -->
<li class="menu">
<?php echo($rows['catname']); ?>
</li>
<!-- End Category List -->
<?php
if (isset($_GET['id']) && is_numeric($_GET['id'])) // get the 'id' variable from the URL and match it with scategory parent in database
$id = $_GET['id'];
$sid = $rows['scparent'];
if ( $id == $sid ) {
?>
<!-- Begin Sub Category List -->
<ul>
<li class="menu"><?php echo $rows['scname']; ?>
</li>
</ul>
<!-- End Sub category List -->
<?php }} ?>
</ul>'
Any help will be appreciated. Thank you

Answer 1

you can try replace your code with this
<?php
$catmenu_sql = 'select category.id AS catid, category.name AS catname, scategory.cparent AS scparent, scategory.name AS scname
from category
left join scategory on category.id = scategory.cparent
group by category.name'; // Select data from database
$result = mysql_query($catmenu_sql);
$sHTML="<ul>";
while($rows = mysql_fetch_assoc($result))
{
$sHTML="<ul>"
<!-- Begin Category list -->
$sHTML .= '<li class="menu">' .
'' . $rows['catname'] .'' .
'</li>' ;
<!-- End Category List -->
$subquery = "SELECT sec_name FROM tbl_user_sec WHERE `sec_group` = '" . mysql_real_escape_string($row_secs['sec_group'] . "'";
$subresult = mysql_query($subquery);
<!-- Begin Sub Category List -->
if (isset($_GET['id']) && is_numeric($_GET['id'])) // get the 'id' variable from the URL and match it with scategory parent in database
$id = $_GET['id'];
$sid = $rows['scparent'];
if ( $id == $sid )
{
$sHTML .="<ul>";
while($row = mysql_fetch_assoc($subresult) ) {
$sHTML .= '<li class="menu">' . $rows['scname'] . '' .
'</li>' ;
}
$sHTML .="</ul>";
}
<!-- End Sub category List -->
}
$sHTML .= '</ul>'
echo $sHTML
?>

Answer 2

If i understand your problem correctly, this line:
if ( $id == $sid ) {
filters the sub categories depending of the page you're, given that $id is being initialized as:
$id = $_GET['id'];
which is the value of a parameter named id that is being passed to the url, possibly like this:
http://www.site.com/script.php?id=1
that's what making you see only a sub set of the categories, to see them all you should not pass the id parameter to the url.