coba dulu ini

<?php
$database_host = "localhost";
$database_username = "fbs";
$database_password = "";
$database_name = "my_fbs";
mysql_connect($database_host,$database_username,$database_password) or die (mysql_error());
mysql_select_db($database_name) or die (mysql_error());

if(isset($_POST['search']))
{
$key = htmlentities($_POST['key']);
$search_query = "select * from city
where
`Name` like '%$key%'";
$query = mysql_query($search_query) or die (mysql_error()."<b>$search_query</b>" );
while($row = mysql_fetch_array($query))
{
echo "
name: {$row['Name']}<br>
country code: {$row['CountryCode']}<br>
district: {$row['District']}<br>
population: {$row['Population']}<br>
";
}
}
?>


<form action="<?php echo $_SERVER['php_self'] ?>" method="post">
Name:<br><input type="text" name="key"><br />
<br><input type="submit" name="search" value="Search">

</form>