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POecho as a list, loop within a loop
 

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    <p>I have a data set which looks similar to:</p> <pre><code>--------------------------------------------------------------------- id | category | sub_category | category_href | sub_category_href | 01 | cat_1 | sub_cat 1 | cat/cat1.php | cat/cat1/sub_cat1.php| 02 | cat_1 | sub_cat 2 | cat/cat1.php | cat/cat1/sub_cat2.php| 03 | cat_2 | sub_cat 1 | cat/cat2.php | cat/cat2/sub_cat1.php| 04 | cat_2 | sub_cat 2 | cat/cat2.php | cat/cat2/sub_cat2.php| --------------------------------------------------------------------- </code></pre> <p>What I want to do with the data is have a layout like this:</p> <pre><code>&lt;div&gt; &lt;h2 class="title"&gt;Cat1&lt;/h2&gt; &lt;p&gt; &lt;ul class="links"&gt; &lt;li&gt;&lt;a href="cat/sub_cat_1.php" target="_top"&gt;sub_cat_1&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="cat/sub_cat_2.php" target="_top"&gt;sub_cat_2&lt;/a&gt;&lt;/li&gt; &lt;/p&gt; &lt;/div&gt; &lt;div&gt; &lt;h2 class="title"&gt;Cat2&lt;/h2&gt; &lt;p&gt; &lt;ul class="links"&gt; &lt;li&gt;&lt;a href="cat/sub_cat_1.php" target="_top"&gt;sub_cat_1&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="cat/sub_cat_2.php" target="_top"&gt;sub_cat_2&lt;/a&gt;&lt;/li&gt; &lt;/p&gt; &lt;/div&gt; </code></pre> <p>So my question is how would I do this with php so that I can change the categories and sub categories from my db. The following is what I have below but I need a second loop for the sub categories or it will only have one sub category per category. Could someone point me in the right direction for the sub_cat loop. Thank you</p> <p>EDIT:</p> <p>So my question is now that I have distinct categories how I can echo the appropriate sub categories?</p> <p>Thanks</p> <pre><code>&lt;?php include('connect.php'); $result = mysql_query("SELECT DISTINCT category FROM categories") or die(mysql_error()); while ($row = mysql_fetch_array($result)) { echo "&lt;div&gt;"; echo "&lt;h2 class='title'&gt;" . $row['category'] . "&lt;/h2&gt;"; echo "&lt;p&gt;"; echo "&lt;ul class='links'&gt;"; $result1 = mysql_query("SELECT * FROM categories ") or die (mysql_error()); while ($row = mysql_fetch_array($result1)) { echo "&lt;li&gt;&lt;a href='" . $row['sub_category_href'] . " target='_top'&gt;" . $row['sub_category'] . "&lt;/a&gt;&lt;/li&gt;"; } echo "&lt;/ul&gt;"; echo "&lt;/p&gt;"; echo "&lt;/div&gt;"; } ?&gt; </code></pre>
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    1. COPlease, don't use `mysql_*` functions to write new code. They are no longer maintained and the community has begun [deprecation process](http://goo.gl/KJveJ). See the *[red box](http://goo.gl/GPmFd)*? Instead you should learn about [prepared statements](http://goo.gl/vn8zQ) and use either [PDO](http://php.net/pdo) or [MySQLi](http://php.net/mysqli). If you can't decide which, [this article](http://goo.gl/3gqF9) will help you. If you pick PDO, [here is good tutorial](http://goo.gl/vFWnC).
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    2. COYep will check that out any help on the function would be appreciated though
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