a very simple example...
<?php
mysql_connect('xxx', 'xxx', 'xxx') or exit(mysql_error());
mysql_select_db('xxx') or exit(mysql_error());
if (isset($_GET['id']))
{
$result = mysql_query('SELECT content FROM articles WHERE id = ' . $_GET['id']) or exit(mysql_error());
$row = mysql_fetch_assoc($result);
echo $row['content'];
}
else
{
$result = mysql_query('SELECT id, name FROM articles') or exit(mysql_error());
while ($row = mysql_fetch_assoc($result))
{
echo '<a href="' . $_SERVER['PHP_SELF'] . '?id=' . $row['id'] . '">' . $row['name'] . '</a><br>';
}
}
?>