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    <p>If you are not in too deep, I <em>highly</em> recommend you use <a href="http://php.net/manual/en/book.pdo.php" rel="nofollow">PDO</a> instead of MySQLi because the MySQLi API is <em>terrible</em>.</p> <p>What you want is actually very difficult. Here's a function which demonstrates the hoops you need to jump through:</p> <pre><code>function query(MySQLi $db, $sql, array $data) { $stmt = $db-&gt;prepare($sql); if (!$stmt) return null; $types = str_repeat('s', count($data)); $args = array(); // references to values in $data for call_user_func_array foreach ($data as $k =&gt; $v) { $args[$k] =&amp; $data[$k]; } array_unshift($args, $types); call_user_func_array(array($stmt, 'bind_param'), $args); $stmt-&gt;execute(); // mysqlind driver if (method_exists($stmt, 'get_result')) { $res = $stmt-&gt;get_result(); $rows = $res-&gt;fetch_all(MYSQLI_ASSOC); $res-&gt;free(); } else { // by hand, ugh! $rows = array(); $resultbinds = array(); // where results will end up $args = array(); // references to $resultbinds for call_user_func_array $meta = $stmt-&gt;result_metadata(); while ($fieldmeta = $meta-&gt;fetch_field()) { $resultbinds[$fieldmeta-&gt;name] = null; $args[] =&amp; $resultbinds[$fieldmeta-&gt;name]; } $meta-&gt;free(); call_user_func_array(array($stmt, 'bind_result'), $args); while ($stmt-&gt;fetch()) { $row = array(); // copy array to dereference foreach ($resultbinds as $k =&gt; $v) { $row[$k] = $v; } $rows[] = $row; } } $stmt-&gt;free_result(); $stmt-&gt;close(); return $rows; } </code></pre> <p>This is how you would do the same thing in PDO:</p> <pre><code>function query_PDO($db, $sql, $data) { $stmt = $db-&gt;prepare($sql); $stmt-&gt;execute($data); $rows = $stmt-&gt;fetchAll(PDO::FETCH_ASSOC); $stmt-&gt;closeCursor(); return $rows; } </code></pre> <p>Here is how to connect to MySQL using PDO:</p> <pre><code>function connect_PDO() { $host = 'localhost'; $user = 'root'; $pass = 'root'; $dbname = 'scratch'; $port = 8889; $socket = '/Applications/MAMP/tmp/mysql/mysql.sock'; $options = array( PDO::ATTR_ERRMODE =&gt; PDO::ERRMODE_EXCEPTION, PDO::ATTR_DEFAULT_FETCH_MODE =&gt; PDO::FETCH_ASSOC, ); if (version_compare(PHP_VERSION, '5.3.6', '&lt;')) { $options[PDO::MYSQL_ATTR_INIT_COMMAND] = 'SET NAMES utf8'; } $dsn = "mysql:host={$host};port={$port};unix_socket={$socket};dbname={$dbname};charset=utf8"; return new PDO($dsn, $user, $pass, $options); } </code></pre>
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    1. COHi Francis, thank you for your answer, i found yesterday night, also a solution, with prepared statements and the use of eval(); maybe you can check my answer, but im not sure about the eval function, if it can be exploited, thank you for your help!
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    2. CODon't use eval--it is slow and dangerous. Just use PDO--mysqli is brain-damaged and PDO is much more powerful, flexible, easy-to-use, better-documented, and more widely used.
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    3. COthanks, for pointing out that it is slower, one more thing to move away from eval() i accept your answer, seems it is the best way. Thank you Francis!!! And Merry Xmas.
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