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error_22 09-10-2006 04:46 AM
Question about variables stored in a db
 
Hi,

I have this script which calls html codes from a database:

PHP Code:
$sql = "SELECT * FROM `plugin_frontpage`";
$result = mysql_query($sql) or die(mysql_error());
while ($row = mysql_fetch_object($result))
{    
    $pf_content = $row->pf_content;
} 
The above is stored in a file called plugins.php. Now, theres only one row in that table, and it contains the following html code:

HTML Code:
<html>
<head>
<title>En Testsida</title>
</head>
<body><h1>En Testsida</h1><hr>
Nyheter:<br />
<br />
<b>$pfn_title</b><br />
$pfn_content<br />
<br />
</body>
</html>
As you see, there are 2 variables in that html code, and they come from the following mysql query, which is placed in the same file as the first query, i should also add that its placed above the first query:

PHP Code:
$sql = "SELECT * FROM `plugin_frontpage_news` ORDER BY `pfn_id` DESC";
$result = mysql_query($sql) or die(mysql_error());
while ($row = mysql_fetch_object($result))
{
    $pfn_title = $row->pfn_title;
    $pfn_content = $row->pfn_content;
} 
plugins.php is called by a file called index.php and the variable "$pf_content" is being printed there.

Now to the problem: The two variables that are stored in the plugin_frontpage table wont be replaced with the content in the plugin_frontpage_news table. The html codes work just fine, but the varibles are just being printed as they are, not with its content. What am I doing wrong? I know its possible, vBulletin works the same way. All templates contains variables.

Thanks in advance!

Niklas

Adrian Schneider 09-10-2006 07:00 AM
Hi,

You will probably want to use some vBulletin's database object as well as template system - it will make things much easier. You are actually looking to append the data, rather than replace it each time. In my below example I use .= instead of = to add it to the end of the variable.
PHP Code:
$result = $db->query_read("
    SELECT *
    FROM plugin_frontpage_news
    ORDER BY pfn_id DESC
");

$newsbits = '';
while ($item = $db->fetch_array($result))
{
    $newsbits .= "<strong>$item[pfn_title]</strong><br />$pfn_content<br /><br />";
    
    // or below, and have your HTML as it is above in a template
    eval('$newsbits .= "' . fetch_template('your_newsbit_template') . '";');
}

eval('print_output("' . fetch_template('your_news_template') . '");'); 

error_22 09-10-2006 01:58 PM
actually, this isnt for vBulletin. Thanks a lot for replying.

Niklas

Adrian Schneider 09-10-2006 06:27 PM
PHP Code:
result = mysql_query("
    SELECT *
    FROM plugin_frontpage_news
    ORDER BY pfn_id DESC
") or die(mysql_error());

$newsbits = '';
while ($item = mysql_fetch_assoc($result))
{
    $newsbits .= "<strong>$item[pfn_title]</strong><br />$pfn_content<br /><br />";
}

// now $newsbits contains the database data displayed how you want 


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