PHP: PDO

db.php

<?php
	require 'config.php';

	try {
	  # MySQL with PDO_MYSQL
	  $DBH = new PDO("mysql:host=$host;dbname=$dbname", $user, $pass);
	  $DBH->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING );  
	}
	catch(PDOException $e) {
	    echo $e->getMessage();
	}

	$data = array(
			 '' => $var, 
			 '' => $var2,
			 '' => $var3
		 );  
	  
	$sql ="INSERT INTO table (`var`, `var2`, `var3`) 
		   VALUES (:var1, :var2, :var3)";
	
	$STH = $DBH->prepare($sql);  
	$STH->execute($data);  
	$row = fetch(PDO::FETCH_ASSOC);