Tryangled Solutions web designing tips tricks

<form>
<p>
This program lets to find out what mysql version your current hosting is running on.
You need to enter correct databaes parameters in order to get desired info.
</p>
<b>db host: <b/>
<input type=”text” name=”db_host” value=”localhost”>
<hr size=1 width=”25%” align=left>
<b>db username: <b/>
<input type=”text” name=”db_user” value=”">
<hr size=1 width=”25%” align=left>
<b>db password: <b/>
<input type=”text” name=”db_pass” value=”">
<hr size=1 width=”25%” align=left>
<hr size=1 width=”25%” align=left>
<input type=”submit” name=”submit” value=”submit”>
</form>
<?php
/*
1) enter db user/pass: host = localhost
2) view results
scenario:
1) show form
2) try to login
3) if OK -> show version
4) otherwise tell incorrect db user/pass combination
Freeware for comercial or non-commercial use.
no warranties!
*/
$submit = empty($_REQUEST['submit']) ? 0:1;
if ($submit) {
$db_host = empty($_REQUEST['db_host']) ? “localhost” : $_REQUEST['db_host'];
$db_user = empty($_REQUEST['db_user']) ? “” : $_REQUEST['db_user'];
$db_pass = empty($_REQUEST['db_pass']) ? “” : $_REQUEST['db_pass'];;
if (         empty($db_host)
|| empty($db_host)
|| empty($db_host) ) {
die(”<font color=’red’>Missing fields.</font>”);
}
$link = @mysql_connect($db_host, $db_user, $db_pass);
if (!$link)
die(”<font color=’red’>Can’t connect.
Please check your data.</font>”);
$qry = “SELECT VERSION()”;
$result = @mysql_query($qry);
if (!$result) {
die(”<font color=’red’>Query error: ” . mysql_error() . “</font>”);
}
$ver = @mysql_result($result, 0);
print “<font color=’green’>MySQL version: <b>$ver</b></font>”;
@mysql_free_result($result);
}
?>