CODE EXAMPLE FOR PHP

php - Basic SQL Injections?

$site = mysql_real_escape_string($_GET['site']);
$start_date = mysql_real_escape_string($start_date);
$end_date = mysql_real_escape_string($end_date);

get_stats = mysql_query("SELECT * FROM visitors WHERE site='$site' AND date >= '$start_date' AND date <= '$end_date' ");