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GeXus
Smarty Rookie
Joined: 16 Aug 2006
Posts: 28
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 Posted: Sun Jan 14, 2007 2:25 am Post subject: Two associated queries |
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I trying to loop through categories and their associated sub categories by basically doing the following example
| Code: |
$query = "select * from categories"
while ($row = $query)
{
echo "cat: $row['cat_name'];
$query = "select * from sub_categories where cat_id = $row['id']"
while ($row = $query){
echo "sub cat: $row['sub_name'];
{
} |
how would I do this using smarty? So that I can format the sub-categories and categories seperatly and have them display appropriately?
Thank You! |
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Pap
Smarty Regular
Joined: 21 Jun 2006
Posts: 69
Location: Denver, CO
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| Posted: Sun Jan 14, 2007 3:23 am Post subject: |
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All code untested, so please mind any typos.
| Code: | $sql = 'SELECT * FROM categories INNER JOIN sub_categories ON (categories.id = sub_categories.cat_id)';
$result = mysql_query($sql);
while ($row = mysql_fetch_assoc($result)) {
$categories[$row['cat_name']][] = $row['sub_name'];
}
$smarty->assign('categories', $categories); |
| Code: | {foreach from=$categories key='cat_name' item='category'}
{$cat_name}:
{foreach from=$category item='sub_category'}
{sub_category},
{/foreach}
{/foreach} |
Reading the documentation on {foreach} will benefit you. You may also need to sort the results of that query.
You're probably new at this so I suggest using PEAR::DB, if only for the way it simplifies performing queries and extracting query data.
_________________
Don't be stupid, be a Smarty™.
Come and join the P-H-Party. |
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GeXus
Smarty Rookie
Joined: 16 Aug 2006
Posts: 28
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| Posted: Sun Jan 14, 2007 9:58 pm Post subject: |
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| Thanks! That worked.. however when I also wanted to get the category_id and sub_category_id, i didn't seem to work and i can't exactly figure out how to change it so it will... any help would be great! |
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Pap
Smarty Regular
Joined: 21 Jun 2006
Posts: 69
Location: Denver, CO
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| Posted: Sun Jan 14, 2007 11:01 pm Post subject: |
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I bet the problem you were having was with the query itself...
| Code: | $sql = 'SELECT categories.id AS cat_id, sub_categories.id AS sub_id, category_name, sub_name FROM categories INNER JOIN sub_categories ON (categories.id = sub_categories.cat_id)';
$result = mysql_query($sql);
while ($row = mysql_fetch_assoc($result)) {
$categories[$row['cat_name']][] = array('sub_id' => $row['sub_id'], 'cat_id' => $row['cat_id'], 'sub_name' => $row['sub_name']);
}
$smarty->assign('categories', $categories); |
| Code: | {foreach from=$categories key='cat_name' item='category'}
{$cat_name}:
{foreach from=$category item='sub_category'}
{sub_category.sub_id}, {sub_category.cat_id}, {sub_category.sub_name}
{/foreach}
{/foreach} |
Still untested. As I reconsider the original problem, this may not have been the best way to do it. All I'm trying to accomplish here is to get you familiar with Smarty syntax.
_________________
Don't be stupid, be a Smarty™.
Come and join the P-H-Party. |
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