/*
CREATE TABLE `users` (
`username` varchar(64) DEFAULT NULL,
`password` varchar(64) DEFAULT NULL
);
*/
if(array_key_exists("username", $_REQUEST)) {
$link = mysql_connect('localhost', 'natas15', '
');
mysql_select_db('natas15', $link);
$query = "SELECT * from users where username=\"".$_REQUEST["username"]."\"";
if(array_key_exists("debug", $_GET)) {
echo "Executing query: $query
";
}
$res = mysql_query($query, $link);
if($res) {
if(mysql_num_rows($res) > 0) {
echo "This user exists.
";
} else {
echo "This user doesn't exist.
";
}
} else {
echo "Error in query.
";
}
mysql_close($link);
} else {
?>
} ?>