nicks-domain.com

MySQL Connection Test

Create a new file with the following code and place it on your server.

<?php
$action = htmlspecialchars($_GET['action'], ENT_QUOTES);
?>

<?php if (!$action) { ?>

<h1>MySQL connection test</h1>

<form action="<?php echo $_SERVER['PHP_SELF']; ?>?action=test" id="mail" method="post">

<table cellpadding="2">
<tr>
<td>Hostname</td>
<td><input type="text" name="hostname" id="hostname" value="" size="30" tabindex="1" /></td>
<td>(usually "localhost")</td>
</tr>
<tr>
<td>Username</td>
<td><input type="text" name="username" id="username" value="" size="30" tabindex="2" /></td>
<td></td>
</tr>
<tr>
<td>Password</td>
<td><input type="text" name="password" id="password" value="" size="30" tabindex="3" /></td>
<td></td>
</tr>
<tr>
<td>Database</td>
<td><input type="text" name="database" id="database" value="" size="30" tabindex="4" /></td>
<td>(optional)</td>
</tr>
<tr>
<td></td>
<td><input type="submit" id="submit" value="Test Connection" tabindex="5" /></td>
<td></td>
</tr>
</table>

</form>

<?php } ?>

<?php if ($action == "test") {

// The variables have not been adequately sanitized to protect against SQL Injection attacks: http://us3.php.net/mysql_real_escape_string

$hostname = trim($_POST['hostname']);
$username = trim($_POST['username']);
$password = trim($_POST['password']);
$database = trim($_POST['database']);

$link = mysql_connect("$hostname", "$username", "$password");
if (!$link) {
echo "<p>Could not connect to the server '" . $hostname . "'</p>\n";
echo mysql_error();
}else{
echo "<p>Successfully connected to the server '" . $hostname . "'</p>\n";
// printf("MySQL client info: %s\n", mysql_get_client_info());
// printf("MySQL host info: %s\n", mysql_get_host_info());
// printf("MySQL server version: %s\n", mysql_get_server_info());
// printf("MySQL protocol version: %s\n", mysql_get_proto_info());
}
if ($link && !$database) {
echo "<p>No database name was given. Available databases:</p>\n";
$db_list = mysql_list_dbs($link);
echo "<pre>\n";
while ($row = mysql_fetch_array($db_list)) {
echo $row['Database'] . "\n";
}
echo "</pre>\n";
}
if ($database) {
$dbcheck = mysql_select_db("$database");
if (!$dbcheck) {
echo mysql_error();
}else{
echo "<p>Successfully connected to the database '" . $database . "'</p>\n";
// Check tables
$sql = "SHOW TABLES FROM `$database`";
$result = mysql_query($sql);
if (mysql_num_rows($result) > 0) {
echo "<p>Available tables:</p>\n";
echo "<pre>\n";
while ($row = mysql_fetch_row($result)) {
echo "{$row[0]}\n";
}
echo "</pre>\n";
} else {
echo "<p>The database '" . $database . "' contains no tables.</p>\n";
echo mysql_error();
}
}
}
}
?>

</div><!-- end #wrapper -->




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